shorten labels for linux

Export Addresses to CSV File

README.md

@@ -57,7 +57,7 @@ As a fallback, the network (mainnet, testnet, regtest or signet) can also be set
 
 A final fallback which can be useful when running the Sparrow binary is to create a file called ``network-testnet`` in the Sparrow home folder (see below) to configure the testnet network.
 
-Note that if you are connecting to an Electrum server when using testnet, that server will need to running on testnet configuration as well.
+Note that if you are connecting to an Electrum server when using testnet, that server will need to be running on testnet configuration as well.
 
 When not explicitly configured using the command line argument above, Sparrow stores its mainnet config file, log file and wallets in a home folder location appropriate to the operating system:
 

build.gradle

@@ -5,7 +5,7 @@ plugins {
     id 'org.beryx.jlink' version '2.22.0'
 }
 
-def sparrowVersion = '1.3.1'
+def sparrowVersion = '1.3.2'
 def os = org.gradle.internal.os.OperatingSystem.current()
 def osName = os.getFamilyName()
 if(os.macOsX) {
@@ -20,7 +20,7 @@ repositories {
     maven { url 'https://oss.sonatype.org/content/groups/public' }
     maven { url 'https://mymavenrepo.com/repo/29EACwkkGcoOKnbx3bxN/' }
     maven { url 'https://jitpack.io' }
-    maven { url 'http://maven.openimaj.org/' }
+    maven { url 'https://maven.ecs.soton.ac.uk/content/groups/maven.openimaj.org/' }
 }
 
 tasks.withType(AbstractArchiveTask) {
@@ -51,7 +51,7 @@ dependencies {
     implementation('com.github.arteam:simple-json-rpc-server:1.0') {
         exclude group: 'org.slf4j'
     }
-    implementation('com.sparrowwallet:hummingbird:1.5.4')
+    implementation('com.sparrowwallet:hummingbird:1.5.5')
     implementation('com.nativelibs4java:bridj:0.7-20140918-3') {
         exclude group: 'com.google.android.tools', module: 'dx'
     }

src/main/deploy/package/osx/Info.plist

@@ -21,7 +21,7 @@
   <key>CFBundlePackageType</key>
   <string>APPL</string>
   <key>CFBundleShortVersionString</key>
-  <string>1.3.1</string>
+  <string>1.3.2</string>
   <key>CFBundleSignature</key>
   <string>????</string>
   <!-- See https://developer.apple.com/app-store/categories/ for list of AppStore categories -->

src/main/java/com/sparrowwallet/sparrow/AppController.java

@@ -50,7 +50,10 @@ import javafx.scene.image.Image;
 import javafx.scene.image.ImageView;
 import javafx.scene.input.*;
 import javafx.scene.layout.StackPane;
-import javafx.stage.*;
+import javafx.stage.FileChooser;
+import javafx.stage.Stage;
+import javafx.stage.StageStyle;
+import javafx.stage.Window;
 import javafx.util.Duration;
 import org.controlsfx.control.Notifications;
 import org.controlsfx.control.StatusBar;
@@ -64,7 +67,6 @@ import java.net.URL;
 import java.nio.charset.StandardCharsets;
 import java.text.ParseException;
 import java.util.*;
-import java.util.List;
 import java.util.stream.Collectors;
 
 import static com.sparrowwallet.sparrow.AppServices.*;
@@ -76,16 +78,23 @@ public class AppController implements Initializable {
     public static final double TAB_LABEL_GRAPHIC_OPACITY_INACTIVE = 0.8;
     public static final double TAB_LABEL_GRAPHIC_OPACITY_ACTIVE = 0.95;
     public static final String LOADING_TRANSACTIONS_MESSAGE = "Loading wallet, select Transactions tab to view...";
+    public static final String CONNECTION_FAILED_PREFIX = "Connection failed: ";
 
     @FXML
     private MenuItem saveTransaction;
 
+    @FXML
+    private Menu savePSBT;
+
     @FXML
     private MenuItem exportWallet;
 
     @FXML
     private Menu fileMenu;
 
+    @FXML
+    private Menu viewMenu;
+
     @FXML
     private Menu toolsMenu;
 
@@ -107,9 +116,15 @@ public class AppController implements Initializable {
     @FXML
     private CheckMenuItem hideEmptyUsedAddresses;
 
+    @FXML
+    private CheckMenuItem useHdCameraResolution;
+
     @FXML
     private CheckMenuItem showTxHex;
 
+    @FXML
+    private MenuItem minimizeToTray;
+
     @FXML
     private MenuItem refreshWallet;
 
@@ -241,7 +256,9 @@ public class AppController implements Initializable {
 
         openWalletsInNewWindows.setSelected(Config.get().isOpenWalletsInNewWindows());
         hideEmptyUsedAddresses.setSelected(Config.get().isHideEmptyUsedAddresses());
+        useHdCameraResolution.setSelected(Config.get().isHdCapture());
         showTxHex.setSelected(Config.get().isShowTransactionHex());
+        savePSBT.visibleProperty().bind(saveTransaction.visibleProperty().not());
         exportWallet.setDisable(true);
         refreshWallet.disableProperty().bind(Bindings.or(exportWallet.disableProperty(), Bindings.or(serverToggle.disableProperty(), AppServices.onlineProperty().not())));
 
@@ -278,6 +295,10 @@ public class AppController implements Initializable {
         } else if(platform == org.controlsfx.tools.Platform.WINDOWS) {
             toolsMenu.getItems().removeIf(item -> item.getStyleClass().contains("windowsHide"));
         }
+
+        if(platform == org.controlsfx.tools.Platform.UNIX || !TrayManager.isSupported()) {
+            viewMenu.getItems().remove(minimizeToTray);
+        }
     }
 
     public void showIntroduction(ActionEvent event) {
@@ -481,45 +502,27 @@ public class AppController implements Initializable {
             TransactionTabData transactionTabData = (TransactionTabData)tabData;
             Transaction transaction = transactionTabData.getTransaction();
 
-            //Save a transaction if the PSBT is null or transaction has already been extracted, otherwise save PSBT
-            //The PSBT's transaction is not altered with transaction extraction, but the extracted transaction is stored in TransactionData
-            boolean saveTx = (transactionTabData.getPsbt() == null || transactionTabData.getPsbt().getTransaction() != transaction);
-
             Stage window = new Stage();
             FileChooser fileChooser = new FileChooser();
-            fileChooser.setTitle("Save " + (saveTx ? "Transaction" : "PSBT"));
+            fileChooser.setTitle("Save Transaction");
 
-            String fileName = selectedTab.getText();
+            String fileName = ((Label)selectedTab.getGraphic()).getText();
             if(fileName != null && !fileName.isEmpty()) {
-                if(transactionTabData.getPsbt() != null) {
-                    if(!fileName.endsWith(".psbt")) {
-                        fileName += ".psbt";
-                    }
-                } else if(!fileName.endsWith(".txn")) {
-                    fileName += ".txn";
-                }
+               if(fileName.endsWith(".psbt")) {
+                   fileName = fileName.substring(0, fileName.length() - ".psbt".length());
+               }
 
-                if(saveTx && fileName.endsWith(".psbt")) {
-                    fileName = fileName.replace(".psbt", "") + ".txn";
-                }
+               if(!fileName.endsWith(".txn")) {
+                   fileName += ".txn";
+               }
 
-                fileChooser.setInitialFileName(fileName);
+               fileChooser.setInitialFileName(fileName);
             }
 
             File file = fileChooser.showSaveDialog(window);
             if(file != null) {
-                if(!saveTx && !file.getName().toLowerCase().endsWith(".psbt")) {
-                    file = new File(file.getAbsolutePath() + ".psbt");
-                }
-
-                try {
-                    try(PrintWriter writer = new PrintWriter(file, StandardCharsets.UTF_8)) {
-                        if(saveTx) {
-                            writer.print(Utils.bytesToHex(transaction.bitcoinSerialize()));
-                        } else {
-                            writer.print(transactionTabData.getPsbt().toBase64String());
-                        }
-                    }
+                try(PrintWriter writer = new PrintWriter(file, StandardCharsets.UTF_8)) {
+                    writer.print(Utils.bytesToHex(transaction.bitcoinSerialize()));
                 } catch(IOException e) {
                     log.error("Error saving transaction", e);
                     AppServices.showErrorDialog("Error saving transaction", "Cannot write to " + file.getAbsolutePath());
@@ -528,6 +531,58 @@ public class AppController implements Initializable {
         }
     }
 
+    public void savePSBTBinary(ActionEvent event) {
+        savePSBT(false);
+    }
+
+    public void savePSBTText(ActionEvent event) {
+        savePSBT(true);
+    }
+
+    public void savePSBT(boolean asText) {
+        Tab selectedTab = tabs.getSelectionModel().getSelectedItem();
+        TabData tabData = (TabData)selectedTab.getUserData();
+        if(tabData.getType() == TabData.TabType.TRANSACTION) {
+            TransactionTabData transactionTabData = (TransactionTabData)tabData;
+
+            Stage window = new Stage();
+            FileChooser fileChooser = new FileChooser();
+            fileChooser.setTitle("Save PSBT");
+
+            String fileName = ((Label)selectedTab.getGraphic()).getText();
+            if(fileName != null && !fileName.isEmpty()) {
+                if(!fileName.endsWith(".psbt")) {
+                    fileName += ".psbt";
+                }
+
+                if(asText) {
+                    fileName += ".txt";
+                }
+
+                fileChooser.setInitialFileName(fileName);
+            }
+
+            File file = fileChooser.showSaveDialog(window);
+            if(file != null) {
+                if(!asText && !file.getName().toLowerCase().endsWith(".psbt")) {
+                    file = new File(file.getAbsolutePath() + ".psbt");
+                }
+
+                try(FileOutputStream outputStream = new FileOutputStream(file)) {
+                    if(asText) {
+                        PrintWriter writer = new PrintWriter(new OutputStreamWriter(outputStream, StandardCharsets.UTF_8));
+                        writer.print(transactionTabData.getPsbt().toBase64String());
+                        writer.flush();
+                    } else {
+                        outputStream.write(transactionTabData.getPsbt().serialize());
+                    }
+                } catch(IOException e) {
+                    log.error("Error saving PSBT", e);
+                    AppServices.showErrorDialog("Error saving PSBT", "Cannot write to " + file.getAbsolutePath());
+                }
+            }
+        }
+    }
 
     public List<WalletTabData> getOpenWalletTabData() {
         List<WalletTabData> openWalletTabData = new ArrayList<>();
@@ -588,6 +643,11 @@ public class AppController implements Initializable {
         EventManager.get().post(new HideEmptyUsedAddressesStatusEvent(item.isSelected()));
     }
 
+    public void useHdCameraResolution(ActionEvent event) {
+        CheckMenuItem item = (CheckMenuItem)event.getSource();
+        Config.get().setHdCapture(item.isSelected());
+    }
+
     public void showTxHex(ActionEvent event) {
         CheckMenuItem item = (CheckMenuItem)event.getSource();
         Config.get().setShowTransactionHex(item.isSelected());
@@ -912,6 +972,10 @@ public class AppController implements Initializable {
         messageSignDialog.showAndWait();
     }
 
+    public void minimizeToTray(ActionEvent event) {
+        AppServices.get().minimizeStage((Stage)tabs.getScene().getWindow());
+    }
+
     public void refreshWallet(ActionEvent event) {
         Tab selectedTab = tabs.getSelectionModel().getSelectedItem();
         TabData tabData = (TabData)selectedTab.getUserData();
@@ -1064,7 +1128,7 @@ public class AppController implements Initializable {
                             //As per BIP174, combine PSBTs with matching transactions so long as they are not yet finalized
                             transactionTabData.getPsbt().combine(psbt);
                             if(name != null && !name.isEmpty()) {
-                                tab.setText(name);
+                                ((Label)tab.getGraphic()).setText(name);
                             }
 
                             EventManager.get().post(new PSBTCombinedEvent(transactionTabData.getPsbt()));
@@ -1079,7 +1143,7 @@ public class AppController implements Initializable {
                             }
 
                             if(name != null && !name.isEmpty()) {
-                                tab.setText(name);
+                                ((Label)tab.getGraphic()).setText(name);
                             }
 
                             EventManager.get().post(new PSBTFinalizedEvent(transactionTabData.getPsbt()));
@@ -1267,15 +1331,19 @@ public class AppController implements Initializable {
             if(event instanceof TransactionTabSelectedEvent) {
                 TransactionTabSelectedEvent txTabEvent = (TransactionTabSelectedEvent)event;
                 TransactionTabData transactionTabData = txTabEvent.getTransactionTabData();
-                saveTransaction.setDisable(false);
-                saveTransaction.setText("Save " + (transactionTabData.getPsbt() == null || transactionTabData.getPsbt().getTransaction() != transactionTabData.getTransaction() ? "Transaction..." : "PSBT..."));
+                if(transactionTabData.getPsbt() == null || transactionTabData.getPsbt().getTransaction() != transactionTabData.getTransaction()) {
+                    saveTransaction.setVisible(true);
+                    saveTransaction.setDisable(false);
+                } else {
+                    saveTransaction.setVisible(false);
+                }
                 exportWallet.setDisable(true);
                 showTxHex.setDisable(false);
             } else if(event instanceof WalletTabSelectedEvent) {
                 WalletTabSelectedEvent walletTabEvent = (WalletTabSelectedEvent)event;
                 WalletTabData walletTabData = walletTabEvent.getWalletTabData();
+                saveTransaction.setVisible(true);
                 saveTransaction.setDisable(true);
-                saveTransaction.setText("Save Transaction...");
                 exportWallet.setDisable(walletTabData.getWallet() == null || !walletTabData.getWallet().isValid());
                 showTxHex.setDisable(true);
             }
@@ -1289,7 +1357,8 @@ public class AppController implements Initializable {
             if(tabData instanceof TransactionTabData) {
                 TransactionTabData transactionTabData = (TransactionTabData)tabData;
                 if(transactionTabData.getTransaction() == event.getFinalTransaction()) {
-                    saveTransaction.setText("Save Transaction...");
+                    saveTransaction.setVisible(true);
+                    saveTransaction.setDisable(false);
                 }
             }
         }
@@ -1451,8 +1520,7 @@ public class AppController implements Initializable {
 
     @Subscribe
     public void connectionFailed(ConnectionFailedEvent event) {
-        String reason = event.getException().getCause() != null ? event.getException().getCause().getMessage() : event.getException().getMessage();
-        String status = "Connection failed: " + reason;
+        String status = CONNECTION_FAILED_PREFIX + event.getMessage();
         statusUpdated(new StatusEvent(status));
     }
 
@@ -1465,7 +1533,7 @@ public class AppController implements Initializable {
     @Subscribe
     public void disconnection(DisconnectionEvent event) {
         serverToggle.setDisable(false);
-        if(!AppServices.isConnecting() && !AppServices.isConnected() && !statusBar.getText().startsWith("Connection error")) {
+        if(!AppServices.isConnecting() && !AppServices.isConnected() && !statusBar.getText().startsWith(CONNECTION_FAILED_PREFIX)) {
             statusUpdated(new StatusEvent("Disconnected"));
         }
         if(statusTimeline == null || statusTimeline.getStatus() != Animation.Status.RUNNING) {
@@ -1588,6 +1656,12 @@ public class AppController implements Initializable {
         statusUpdated(new StatusEvent(event.getStatus()));
     }
 
+    @Subscribe
+    public void torExternalStatus(TorExternalStatusEvent event) {
+        serverToggle.setDisable(false);
+        statusUpdated(new StatusEvent(event.getStatus()));
+    }
+
     @Subscribe
     public void newBlock(NewBlockEvent event) {
         setServerToggleTooltip(event.getHeight());

src/main/java/com/sparrowwallet/sparrow/AppServices.java

@@ -9,6 +9,7 @@ import com.sparrowwallet.drongo.psbt.PSBT;
 import com.sparrowwallet.drongo.uri.BitcoinURI;
 import com.sparrowwallet.drongo.wallet.KeystoreSource;
 import com.sparrowwallet.drongo.wallet.Wallet;
+import com.sparrowwallet.sparrow.control.TrayManager;
 import com.sparrowwallet.sparrow.event.*;
 import com.sparrowwallet.sparrow.io.Config;
 import com.sparrowwallet.sparrow.io.Device;
@@ -64,6 +65,8 @@ public class AppServices {
 
     private final Map<Window, List<WalletTabData>> walletWindows = new LinkedHashMap<>();
 
+    private TrayManager trayManager;
+
     private static final BooleanProperty onlineProperty = new SimpleBooleanProperty(false);
 
     private ExchangeSource.RatesService ratesService;
@@ -94,7 +97,7 @@ public class AppServices {
         @Override
         public void changed(ObservableValue<? extends Boolean> observable, Boolean oldValue, Boolean online) {
             if(online) {
-                if(Config.get().requiresTor() && !isTorRunning()) {
+                if(Config.get().requiresInternalTor() && !isTorRunning()) {
                     torService.start();
                 } else {
                     restartServices();
@@ -122,7 +125,7 @@ public class AppServices {
         onlineProperty.addListener(onlineServicesListener);
 
         if(config.getMode() == Mode.ONLINE) {
-            if(config.requiresTor()) {
+            if(config.requiresInternalTor()) {
                 torService.start();
             } else {
                 restartServices();
@@ -208,6 +211,37 @@ public class AppServices {
                 connectionService.setRestartOnFailure(false);
             }
 
+            if(failEvent.getSource().getException() instanceof TlsServerException && failEvent.getSource().getException().getCause() != null) {
+                TlsServerException tlsServerException = (TlsServerException)failEvent.getSource().getException();
+                connectionService.setRestartOnFailure(false);
+                if(tlsServerException.getCause().getMessage().contains("PKIX path building failed")) {
+                    File crtFile = Config.get().getElectrumServerCert();
+                    if(crtFile != null) {
+                        AppServices.showErrorDialog("SSL Handshake Failed", "The configured server certificate at " + crtFile.getAbsolutePath() + " did not match the certificate provided by the server at " + tlsServerException.getServer().getHost() + "." +
+                                "\n\nThis may indicate a man-in-the-middle attack!" +
+                                "\n\nChange the configured server certificate if you would like to proceed.");
+                    } else {
+                        crtFile = Storage.getCertificateFile(tlsServerException.getServer().getHost());
+                        if(crtFile != null) {
+                            Optional<ButtonType> optButton = AppServices.showErrorDialog("SSL Handshake Failed", "The certificate provided by the server at " + tlsServerException.getServer().getHost() + " appears to have changed." +
+                                    "\n\nThis may indicate a man-in-the-middle attack!" +
+                                    "\n\nDo you still want to proceed?", ButtonType.NO, ButtonType.YES);
+                            if(optButton.isPresent() && optButton.get() == ButtonType.YES) {
+                                crtFile.delete();
+                                Platform.runLater(() -> restartService(connectionService));
+                                return;
+                            }
+                        }
+                    }
+                }
+            }
+
+            if(failEvent.getSource().getException() instanceof ProxyServerException && Config.get().isUseProxy() && Config.get().requiresTor()) {
+                Config.get().setUseProxy(false);
+                Platform.runLater(() -> restartService(torService));
+                return;
+            }
+
             onlineProperty.removeListener(onlineServicesListener);
             onlineProperty.setValue(false);
             onlineProperty.addListener(onlineServicesListener);
@@ -289,6 +323,23 @@ public class AppServices {
             EventManager.get().post(new TorReadyStatusEvent());
         });
         torService.setOnFailed(workerStateEvent -> {
+            Throwable exception = workerStateEvent.getSource().getException();
+            if(exception instanceof TorServerAlreadyBoundException) {
+                String proxyServer = Config.get().getProxyServer();
+                if(proxyServer == null || proxyServer.equals("")) {
+                    proxyServer = "localhost:9050";
+                    Config.get().setProxyServer(proxyServer);
+                }
+
+                if(proxyServer.equals("localhost:9050") || proxyServer.equals("127.0.0.1:9050")) {
+                    Config.get().setUseProxy(true);
+                    torService.cancel();
+                    restartServices();
+                    EventManager.get().post(new TorExternalStatusEvent());
+                    return;
+                }
+            }
+
             EventManager.get().post(new TorFailedStatusEvent(workerStateEvent.getSource().getException()));
         });
 
@@ -353,6 +404,15 @@ public class AppServices {
         return application;
     }
 
+    public void minimizeStage(Stage stage) {
+        if(trayManager == null) {
+            trayManager = new TrayManager();
+        }
+
+        trayManager.addStage(stage);
+        stage.hide();
+    }
+
     public Map<Wallet, Storage> getOpenWallets() {
         Map<Wallet, Storage> openWallets = new LinkedHashMap<>();
         for(List<WalletTabData> walletTabDataList : walletWindows.values()) {

src/main/java/com/sparrowwallet/sparrow/MainApp.java

@@ -30,7 +30,7 @@ import java.util.stream.Collectors;
 
 public class MainApp extends Application {
     public static final String APP_NAME = "Sparrow";
-    public static final String APP_VERSION = "1.3.1";
+    public static final String APP_VERSION = "1.3.2";
     public static final String APP_HOME_PROPERTY = "sparrow.home";
     public static final String NETWORK_ENV_PROPERTY = "SPARROW_NETWORK";
 

src/main/java/com/sparrowwallet/sparrow/control/DevicePane.java

@@ -325,12 +325,22 @@ public class DevicePane extends TitledDescriptionPane {
         passphrase.bind(passphraseField.textProperty());
         HBox.setHgrow(passphraseField, Priority.ALWAYS);
 
-        Button sendPassphraseButton = new Button("Send Passphrase");
+        SplitMenuButton sendPassphraseButton = new SplitMenuButton();
+        sendPassphraseButton.setText("Send Passphrase");
         sendPassphraseButton.setOnAction(event -> {
             setExpanded(false);
+            setDescription("Confirm passphrase on device...");
             sendPassphrase(passphrase.get());
         });
 
+        MenuItem removePassphrase = new MenuItem("Toggle Passphrase Off");
+        removePassphrase.setOnAction(event -> {
+            setExpanded(false);
+            setDescription("Toggling passphrase off, check device...");
+            togglePassphraseOff();
+        });
+        sendPassphraseButton.getItems().add(removePassphrase);
+
         HBox contentBox = new HBox();
         contentBox.setAlignment(Pos.TOP_RIGHT);
         contentBox.setSpacing(20);
@@ -343,6 +353,35 @@ public class DevicePane extends TitledDescriptionPane {
         return contentBox;
     }
 
+    private Node getTogglePassphraseOn() {
+        CopyableLabel label = new CopyableLabel("Passphrase is currently disabled");
+        HBox.setHgrow(label, Priority.ALWAYS);
+
+        Button togglePassphraseOn = new Button("Toggle Passphrase On");
+        togglePassphraseOn.setOnAction(event -> {
+            setExpanded(false);
+            hideButtons(importButton, signButton, displayAddressButton, signMessageButton);
+            setDescription("Toggling passphrase on, check device...");
+            togglePassphraseOn();
+        });
+
+        HBox contentBox = new HBox();
+        contentBox.setSpacing(20);
+        contentBox.setAlignment(Pos.CENTER_LEFT);
+        contentBox.getChildren().addAll(label, togglePassphraseOn);
+        contentBox.setPadding(new Insets(10, 30, 10, 30));
+
+        return contentBox;
+    }
+
+    private void hideButtons(Node... buttons) {
+        for(Node button : buttons) {
+            if(button != null) {
+                button.setVisible(false);
+            }
+        }
+    }
+
     private void promptPin() {
         Hwi.PromptPinService promptPinService = new Hwi.PromptPinService(device);
         promptPinService.setOnSucceeded(workerStateEvent -> {
@@ -356,7 +395,7 @@ public class DevicePane extends TitledDescriptionPane {
             }
         });
         promptPinService.setOnFailed(workerStateEvent -> {
-            setError(promptPinService.getException().getMessage(), null);
+            setError("Error", promptPinService.getException().getMessage());
             unlockButton.setDisable(false);
         });
         promptPinService.start();
@@ -379,6 +418,7 @@ public class DevicePane extends TitledDescriptionPane {
                     setExpanded(true);
                 } else {
                     showOperationButton();
+                    setContent(getTogglePassphraseOn());
                 }
             } else {
                 setError("Incorrect PIN", null);
@@ -418,13 +458,43 @@ public class DevicePane extends TitledDescriptionPane {
             }
         });
         enumerateService.setOnFailed(workerStateEvent -> {
-            setError(enumerateService.getException().getMessage(), null);
+            setError("Error", enumerateService.getException().getMessage());
             setPassphraseButton.setDisable(false);
             setPassphraseButton.setVisible(true);
         });
         enumerateService.start();
     }
 
+    private void togglePassphraseOff() {
+        Hwi.TogglePassphraseService togglePassphraseService = new Hwi.TogglePassphraseService(device);
+        togglePassphraseService.setOnSucceeded(workerStateEvent -> {
+            device.setNeedsPassphraseSent(false);
+            setPassphraseButton.setVisible(false);
+            setDescription("Unlocked");
+            showOperationButton();
+        });
+        togglePassphraseService.setOnFailed(workerStateEvent -> {
+            setError("Error", togglePassphraseService.getException().getMessage());
+        });
+        togglePassphraseService.start();
+    }
+
+    private void togglePassphraseOn() {
+        Hwi.TogglePassphraseService togglePassphraseService = new Hwi.TogglePassphraseService(device);
+        togglePassphraseService.setOnSucceeded(workerStateEvent -> {
+            device.setNeedsPassphraseSent(true);
+            setPassphraseButton.setVisible(true);
+            setPassphraseButton.setDisable(true);
+            setDescription("Enter passphrase");
+            setContent(getPassphraseEntry());
+            setExpanded(true);
+        });
+        togglePassphraseService.setOnFailed(workerStateEvent -> {
+            setError("Error", togglePassphraseService.getException().getMessage());
+        });
+        togglePassphraseService.start();
+    }
+
     private void importKeystore(List<ChildNumber> derivation) {
         if(device.getFingerprint() == null) {
             Hwi.EnumerateService enumerateService = new Hwi.EnumerateService(passphrase.get());
@@ -439,7 +509,7 @@ public class DevicePane extends TitledDescriptionPane {
                 importXpub(derivation);
             });
             enumerateService.setOnFailed(workerStateEvent -> {
-                setError(enumerateService.getException().getMessage(), null);
+                setError("Error", enumerateService.getException().getMessage());
                 importButton.setDisable(false);
             });
             enumerateService.start();

src/main/java/com/sparrowwallet/sparrow/control/FileWalletExportPane.java

@@ -10,6 +10,7 @@ import com.sparrowwallet.sparrow.event.TimedEvent;
 import com.sparrowwallet.sparrow.event.WalletExportEvent;
 import com.sparrowwallet.sparrow.glyphfont.FontAwesome5;
 import com.sparrowwallet.sparrow.io.CoboVaultMultisig;
+import com.sparrowwallet.sparrow.io.PassportMultisig;
 import com.sparrowwallet.sparrow.io.Storage;
 import com.sparrowwallet.sparrow.io.WalletExport;
 import javafx.geometry.Pos;
@@ -134,6 +135,8 @@ public class FileWalletExportPane extends TitledDescriptionPane {
                 QRDisplayDialog qrDisplayDialog;
                 if(exporter instanceof CoboVaultMultisig) {
                     qrDisplayDialog = new QRDisplayDialog(RegistryType.BYTES.toString(), outputStream.toByteArray(), true);
+                } else if(exporter instanceof PassportMultisig) {
+                    qrDisplayDialog = new QRDisplayDialog(RegistryType.BYTES.toString(), outputStream.toByteArray(), false);
                 } else {
                     qrDisplayDialog = new QRDisplayDialog(outputStream.toString(StandardCharsets.UTF_8));
                 }

src/main/java/com/sparrowwallet/sparrow/control/MnemonicKeystoreImportPane.java

@@ -30,6 +30,7 @@ import org.controlsfx.validation.ValidationSupport;
 import org.controlsfx.validation.Validator;
 import org.controlsfx.validation.decoration.StyleClassValidationDecoration;
 
+import java.security.NoSuchAlgorithmException;
 import java.security.SecureRandom;
 import java.util.ArrayList;
 import java.util.Collection;
@@ -275,7 +276,14 @@ public class MnemonicKeystoreImportPane extends TitledDescriptionPane {
         int mnemonicSeedLength = wordEntriesProperty.get().size() * 11;
         int entropyLength = mnemonicSeedLength - (mnemonicSeedLength/33);
 
-        DeterministicSeed deterministicSeed = new DeterministicSeed(new SecureRandom(), entropyLength, "");
+        SecureRandom secureRandom;
+        try {
+            secureRandom = SecureRandom.getInstanceStrong();
+        } catch(NoSuchAlgorithmException e) {
+            secureRandom = new SecureRandom();
+        }
+
+        DeterministicSeed deterministicSeed = new DeterministicSeed(secureRandom, entropyLength, "");
         generatedMnemonicCode = deterministicSeed.getMnemonicCode();
 
         displayMnemonicCode();

src/main/java/com/sparrowwallet/sparrow/control/QRScanDialog.java

@@ -3,6 +3,7 @@ package com.sparrowwallet.sparrow.control;
 import com.github.sarxos.webcam.WebcamEvent;
 import com.github.sarxos.webcam.WebcamListener;
 import com.github.sarxos.webcam.WebcamResolution;
+import com.github.sarxos.webcam.WebcamUpdater;
 import com.sparrowwallet.drongo.ExtendedKey;
 import com.sparrowwallet.drongo.KeyDerivation;
 import com.sparrowwallet.drongo.OutputDescriptor;
@@ -16,6 +17,7 @@ import com.sparrowwallet.drongo.protocol.Base43;
 import com.sparrowwallet.drongo.protocol.ScriptType;
 import com.sparrowwallet.drongo.protocol.Transaction;
 import com.sparrowwallet.drongo.psbt.PSBT;
+import com.sparrowwallet.drongo.psbt.PSBTParseException;
 import com.sparrowwallet.drongo.uri.BitcoinURI;
 import com.sparrowwallet.drongo.wallet.Keystore;
 import com.sparrowwallet.drongo.wallet.Wallet;
@@ -38,6 +40,7 @@ import javafx.geometry.Insets;
 import javafx.scene.Node;
 import javafx.scene.control.*;
 import javafx.scene.layout.*;
+import javafx.util.Duration;
 import org.controlsfx.glyphfont.Glyph;
 import org.controlsfx.tools.Borders;
 import org.slf4j.Logger;
@@ -66,6 +69,7 @@ public class QRScanDialog extends Dialog<QRScanDialog.Result> {
 
     private static final Pattern PART_PATTERN = Pattern.compile("p(\\d+)of(\\d+) (.+)");
 
+    private static final int SCAN_PERIOD_MILLIS = 100;
     private final ObjectProperty<WebcamResolution> webcamResolutionProperty = new SimpleObjectProperty<>(WebcamResolution.VGA);
 
     private final DoubleProperty percentComplete = new SimpleDoubleProperty(0.0);
@@ -78,7 +82,9 @@ public class QRScanDialog extends Dialog<QRScanDialog.Result> {
             webcamResolutionProperty.set(WebcamResolution.HD);
         }
 
-        this.webcamService = new WebcamService(webcamResolutionProperty.get(), new QRScanListener());
+        this.webcamService = new WebcamService(webcamResolutionProperty.get(), new QRScanListener(), new ScanDelayCalculator());
+        webcamService.setPeriod(Duration.millis(SCAN_PERIOD_MILLIS));
+        webcamService.setRestartOnFailure(false);
         WebcamView webcamView = new WebcamView(webcamService);
 
         final DialogPane dialogPane = new QRScanDialogPane();
@@ -193,6 +199,10 @@ public class QRScanDialog extends Dialog<QRScanDialog.Result> {
                         PSBT psbt = PSBT.fromString(complete);
                         result = new Result(psbt);
                         return;
+                    } catch(PSBTParseException e) {
+                        if(PSBT.isPSBT(complete)) {
+                            log.error("Error parsing PSBT", e);
+                        }
                     } catch(Exception e) {
                         //ignore, bytes not parsable as PSBT
                     }
@@ -241,6 +251,10 @@ public class QRScanDialog extends Dialog<QRScanDialog.Result> {
                     psbt = PSBT.fromString(qrtext);
                     result = new Result(psbt);
                     return;
+                } catch(PSBTParseException e) {
+                    if(PSBT.isPSBT(qrtext)) {
+                        log.error("Error parsing PSBT", e);
+                    }
                 } catch(Exception e) {
                     //Ignore, not parseable as Base64 or hex
                 }
@@ -299,6 +313,10 @@ public class QRScanDialog extends Dialog<QRScanDialog.Result> {
                     try {
                         PSBT psbt = new PSBT(urBytes);
                         return new Result(psbt);
+                    } catch(PSBTParseException e) {
+                        if(PSBT.isPSBT(urBytes)) {
+                            log.error("Error parsing PSBT", e);
+                        }
                     } catch(Exception e) {
                         //ignore, bytes not parsable as PSBT
                     }
@@ -690,4 +708,10 @@ public class QRScanDialog extends Dialog<QRScanDialog.Result> {
             super(message, cause);
         }
     }
+
+    public static class ScanDelayCalculator implements WebcamUpdater.DelayCalculator {
+        public long calculateDelay(long snapshotDuration, double deviceFps) {
+            return Math.max(SCAN_PERIOD_MILLIS - snapshotDuration, 0L);
+        }
+    }
 }

src/main/java/com/sparrowwallet/sparrow/control/TrayManager.java

@@ -0,0 +1,102 @@
+package com.sparrowwallet.sparrow.control;
+
+import javafx.application.Platform;
+import javafx.stage.Stage;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.imageio.ImageIO;
+import javax.swing.*;
+import java.awt.*;
+import java.awt.image.BaseMultiResolutionImage;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.stream.Collectors;
+
+public class TrayManager {
+    private static final Logger log = LoggerFactory.getLogger(TrayManager.class);
+
+    private final SystemTray tray;
+    private final TrayIcon trayIcon;
+    private final PopupMenu popupMenu = new PopupMenu();
+
+    public TrayManager() {
+        if(!SystemTray.isSupported()) {
+            throw new UnsupportedOperationException("SystemTray icons are not supported by the current desktop environment.");
+        }
+
+        tray = SystemTray.getSystemTray();
+
+        try {
+            List<Image> imgList = new ArrayList<>();
+            if(org.controlsfx.tools.Platform.getCurrent() == org.controlsfx.tools.Platform.WINDOWS) {
+                imgList.add(ImageIO.read(getClass().getResource("/image/sparrow-black-small.png")));
+                imgList.add(ImageIO.read(getClass().getResource("/image/sparrow-black-small@2x.png")));
+                imgList.add(ImageIO.read(getClass().getResource("/image/sparrow-black-small@3x.png")));
+            } else {
+                imgList.add(ImageIO.read(getClass().getResource("/image/sparrow-white-small.png")));
+                imgList.add(ImageIO.read(getClass().getResource("/image/sparrow-white-small@2x.png")));
+                imgList.add(ImageIO.read(getClass().getResource("/image/sparrow-white-small@3x.png")));
+            }
+
+            BaseMultiResolutionImage mrImage = new BaseMultiResolutionImage(imgList.toArray(new Image[0]));
+
+            this.trayIcon = new TrayIcon(mrImage, "Sparrow", popupMenu);
+
+            MenuItem miExit = new MenuItem("Quit Sparrow");
+            miExit.addActionListener(e -> {
+                SwingUtilities.invokeLater(() -> { tray.remove(this.trayIcon); });
+                Platform.exit();
+            });
+            this.popupMenu.add(miExit);
+        } catch(IOException e) {
+            log.error("Could not load system tray image", e);
+            throw new IllegalStateException(e);
+        }
+    }
+
+    public void addStage(Stage stage) {
+        EventQueue.invokeLater(() -> {
+            MenuItem miStage = new MenuItem(stage.getTitle());
+            miStage.setFont(Font.decode(null).deriveFont(Font.BOLD));
+            miStage.addActionListener(e -> Platform.runLater(() -> {
+                stage.show();
+                EventQueue.invokeLater(() -> {
+                    popupMenu.remove(miStage);
+
+                    if(popupMenu.getItemCount() == 1) {
+                        Platform.setImplicitExit(true);
+                        SwingUtilities.invokeLater(() -> tray.remove(trayIcon));
+                    }
+                });
+            }));
+            //Make sure it's always at the top
+            this.popupMenu.insert(miStage,popupMenu.getItemCount() - 1);
+
+            if(!isShowing()) {
+                // Keeps the JVM running even if there are no
+                // visible JavaFX Stages, otherwise JVM would
+                // exit and we lose the TrayIcon
+                Platform.setImplicitExit(false);
+
+                SwingUtilities.invokeLater(() -> {
+                    try {
+                        tray.add(this.trayIcon);
+                    } catch(AWTException e) {
+                        log.error("Unable to add system tray icon", e);
+                    }
+                });
+            }
+        });
+    }
+
+    public boolean isShowing() {
+        return Arrays.stream(tray.getTrayIcons()).collect(Collectors.toList()).contains(trayIcon);
+    }
+
+    public static boolean isSupported() {
+        return Desktop.isDesktopSupported() && SystemTray.isSupported();
+    }
+}

src/main/java/com/sparrowwallet/sparrow/control/WalletExportDialog.java

@@ -43,7 +43,7 @@ public class WalletExportDialog extends Dialog<Wallet> {
         if(wallet.getPolicyType() == PolicyType.SINGLE) {
             exporters = List.of(new Electrum(), new SpecterDesktop(), new Sparrow());
         } else if(wallet.getPolicyType() == PolicyType.MULTI) {
-            exporters = List.of(new ColdcardMultisig(), new CoboVaultMultisig(), new Electrum(), new SpecterDesktop(), new BlueWalletMultisig(), new Sparrow());
+            exporters = List.of(new ColdcardMultisig(), new CoboVaultMultisig(), new Electrum(), new PassportMultisig(), new SpecterDesktop(), new BlueWalletMultisig(), new Sparrow());
         } else {
             throw new UnsupportedOperationException("Cannot export wallet with policy type " + wallet.getPolicyType());
         }

src/main/java/com/sparrowwallet/sparrow/control/WebcamScanDevice.java

@@ -0,0 +1,354 @@
+package com.sparrowwallet.sparrow.control;
+
+import com.github.sarxos.webcam.*;
+import com.github.sarxos.webcam.ds.buildin.natives.Device;
+import com.github.sarxos.webcam.ds.buildin.natives.DeviceList;
+import com.github.sarxos.webcam.ds.buildin.natives.OpenIMAJGrabber;
+import org.bridj.Pointer;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.awt.*;
+import java.awt.color.ColorSpace;
+import java.awt.image.*;
+import java.nio.ByteBuffer;
+import java.util.Hashtable;
+import java.util.Iterator;
+import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.concurrent.atomic.AtomicInteger;
+
+@SuppressWarnings("deprecation")
+public class WebcamScanDevice implements WebcamDevice, WebcamDevice.BufferAccess, Runnable, WebcamDevice.FPSSource {
+    private static final Logger LOG = LoggerFactory.getLogger(WebcamScanDevice.class);
+    private static final int DEVICE_BUFFER_SIZE = 5;
+    private static final Dimension[] DIMENSIONS;
+    private static final int[] BAND_OFFSETS;
+    private static final int[] BITS;
+    private static final int[] OFFSET;
+    private static final int DATA_TYPE = 0;
+    private static final ColorSpace COLOR_SPACE;
+    public static final int SCAN_LOOP_WAIT_MILLIS = 100;
+    private int timeout = 5000;
+    private OpenIMAJGrabber grabber = null;
+    private Device device = null;
+    private Dimension size = null;
+    private ComponentSampleModel smodel = null;
+    private ColorModel cmodel = null;
+    private boolean failOnSizeMismatch = false;
+    private final AtomicBoolean disposed = new AtomicBoolean(false);
+    private final AtomicBoolean open = new AtomicBoolean(false);
+    private final AtomicBoolean fresh = new AtomicBoolean(false);
+    private Thread refresher = null;
+    private String name = null;
+    private String id = null;
+    private String fullname = null;
+    private long t1 = -1L;
+    private long t2 = -1L;
+    private volatile double fps = 0.0D;
+
+    protected WebcamScanDevice(Device device) {
+        this.device = device;
+        this.name = device.getNameStr();
+        this.id = device.getIdentifierStr();
+        this.fullname = String.format("%s %s", this.name, this.id);
+    }
+
+    public String getName() {
+        return this.fullname;
+    }
+
+    public String getDeviceName() {
+        return this.name;
+    }
+
+    public String getDeviceId() {
+        return this.id;
+    }
+
+    public Device getDeviceRef() {
+        return this.device;
+    }
+
+    public Dimension[] getResolutions() {
+        return DIMENSIONS;
+    }
+
+    public Dimension getResolution() {
+        if (this.size == null) {
+            this.size = this.getResolutions()[0];
+        }
+
+        return this.size;
+    }
+
+    public void setResolution(Dimension size) {
+        if (size == null) {
+            throw new IllegalArgumentException("Size cannot be null");
+        } else if (this.open.get()) {
+            throw new IllegalStateException("Cannot change resolution when webcam is open, please close it first");
+        } else {
+            this.size = size;
+        }
+    }
+
+    public ByteBuffer getImageBytes() {
+        if (this.disposed.get()) {
+            LOG.debug("Webcam is disposed, image will be null");
+            return null;
+        } else if (!this.open.get()) {
+            LOG.debug("Webcam is closed, image will be null");
+            return null;
+        } else {
+            if (this.fresh.compareAndSet(false, true)) {
+                this.updateFrameBuffer();
+            }
+
+            LOG.trace("Webcam grabber get image pointer");
+            Pointer<Byte> image = this.grabber.getImage();
+            this.fresh.set(false);
+            if (image == null) {
+                LOG.warn("Null array pointer found instead of image");
+                return null;
+            } else {
+                int length = this.size.width * this.size.height * 3;
+                LOG.trace("Webcam device get buffer, read {} bytes", length);
+                return image.getByteBuffer((long)length);
+            }
+        }
+    }
+
+    public void getImageBytes(ByteBuffer target) {
+        if (this.disposed.get()) {
+            LOG.debug("Webcam is disposed, image will be null");
+        } else if (!this.open.get()) {
+            LOG.debug("Webcam is closed, image will be null");
+        } else {
+            int minSize = this.size.width * this.size.height * 3;
+            int curSize = target.remaining();
+            if (minSize > curSize) {
+                throw new IllegalArgumentException(String.format("Not enough remaining space in target buffer (%d necessary vs %d remaining)", minSize, curSize));
+            } else {
+                if (this.fresh.compareAndSet(false, true)) {
+                    this.updateFrameBuffer();
+                }
+
+                LOG.trace("Webcam grabber get image pointer");
+                Pointer<Byte> image = this.grabber.getImage();
+                this.fresh.set(false);
+                if (image == null) {
+                    LOG.warn("Null array pointer found instead of image");
+                } else {
+                    LOG.trace("Webcam device read buffer {} bytes", minSize);
+                    image = image.validBytes((long)minSize);
+                    image.getBytes(target);
+                }
+            }
+        }
+    }
+
+    public BufferedImage getImage() {
+        ByteBuffer buffer = this.getImageBytes();
+        if (buffer == null) {
+            LOG.error("Images bytes buffer is null!");
+            return null;
+        } else {
+            byte[] bytes = new byte[this.size.width * this.size.height * 3];
+            byte[][] data = new byte[][]{bytes};
+            buffer.get(bytes);
+            DataBufferByte dbuf = new DataBufferByte(data, bytes.length, OFFSET);
+            WritableRaster raster = Raster.createWritableRaster(this.smodel, dbuf, (Point)null);
+            BufferedImage bi = new BufferedImage(this.cmodel, raster, false, (Hashtable)null);
+            bi.flush();
+            return bi;
+        }
+    }
+
+    public void open() {
+        if (!this.disposed.get()) {
+            LOG.debug("Opening webcam device {}", this.getName());
+            if (this.size == null) {
+                this.size = this.getResolutions()[0];
+            }
+
+            if (this.size == null) {
+                throw new RuntimeException("The resolution size cannot be null");
+            } else {
+                LOG.debug("Webcam device {} starting session, size {}", this.device.getIdentifierStr(), this.size);
+                this.grabber = new OpenIMAJGrabber();
+                DeviceList list = (DeviceList)this.grabber.getVideoDevices().get();
+                Iterator var2 = list.asArrayList().iterator();
+
+                while(var2.hasNext()) {
+                    Device d = (Device)var2.next();
+                    d.getNameStr();
+                    d.getIdentifierStr();
+                }
+
+                boolean started = this.grabber.startSession(this.size.width, this.size.height, 50, Pointer.pointerTo(this.device));
+                if (!started) {
+                    throw new WebcamException("Cannot start native grabber!");
+                } else {
+                    this.grabber.setTimeout(this.timeout);
+                    LOG.debug("Webcam device session started");
+                    Dimension size2 = new Dimension(this.grabber.getWidth(), this.grabber.getHeight());
+                    int w1 = this.size.width;
+                    int w2 = size2.width;
+                    int h1 = this.size.height;
+                    int h2 = size2.height;
+                    if (w1 != w2 || h1 != h2) {
+                        if (this.failOnSizeMismatch) {
+                            throw new WebcamException(String.format("Different size obtained vs requested - [%dx%d] vs [%dx%d]", w1, h1, w2, h2));
+                        }
+
+                        Object[] args = new Object[]{w1, h1, w2, h2, w2, h2};
+                        LOG.warn("Different size obtained vs requested - [{}x{}] vs [{}x{}]. Setting correct one. New size is [{}x{}]", args);
+                        this.size = new Dimension(w2, h2);
+                    }
+
+                    this.smodel = new ComponentSampleModel(0, this.size.width, this.size.height, 3, this.size.width * 3, BAND_OFFSETS);
+                    this.cmodel = new ComponentColorModel(COLOR_SPACE, BITS, false, false, 1, 0);
+                    LOG.debug("Clear memory buffer");
+                    this.clearMemoryBuffer();
+                    LOG.debug("Webcam device {} is now open", this);
+                    this.open.set(true);
+                    this.refresher = this.startFramesRefresher();
+                }
+            }
+        }
+    }
+
+    private void clearMemoryBuffer() {
+        for(int i = 0; i < 5; ++i) {
+            this.grabber.nextFrame();
+        }
+
+    }
+
+    private Thread startFramesRefresher() {
+        Thread refresher = new Thread(this, String.format("frames-refresher-[%s]", this.id));
+        refresher.setUncaughtExceptionHandler(WebcamExceptionHandler.getInstance());
+        refresher.setDaemon(true);
+        refresher.start();
+        return refresher;
+    }
+
+    public void close() {
+        if (this.open.compareAndSet(true, false)) {
+            LOG.debug("Closing webcam device");
+            this.grabber.stopSession();
+        }
+    }
+
+    public void dispose() {
+        if (this.disposed.compareAndSet(false, true)) {
+            LOG.debug("Disposing webcam device {}", this.getName());
+            this.close();
+        }
+    }
+
+    public void setFailOnSizeMismatch(boolean fail) {
+        this.failOnSizeMismatch = fail;
+    }
+
+    public boolean isOpen() {
+        return this.open.get();
+    }
+
+    public int getTimeout() {
+        return this.timeout;
+    }
+
+    public void setTimeout(int timeout) {
+        if (this.isOpen()) {
+            throw new WebcamException("Timeout must be set before webcam is open");
+        } else {
+            this.timeout = timeout;
+        }
+    }
+
+    private void updateFrameBuffer() {
+        LOG.trace("Next frame");
+        if (this.t1 == -1L || this.t2 == -1L) {
+            this.t1 = System.currentTimeMillis();
+            this.t2 = System.currentTimeMillis();
+        }
+
+        int result = (new WebcamScanDevice.NextFrameTask(this)).nextFrame();
+        this.t1 = this.t2;
+        this.t2 = System.currentTimeMillis();
+        this.fps = (4.0D * this.fps + (double)(1000L / (this.t2 - this.t1 + 1L))) / 5.0D;
+        if (result == -1) {
+            LOG.error("Timeout when requesting image!");
+        } else if (result < -1) {
+            LOG.error("Error requesting new frame!");
+        }
+
+    }
+
+    public void run() {
+        do {
+            try {
+                Thread.sleep(SCAN_LOOP_WAIT_MILLIS);
+            } catch(InterruptedException e) {
+                //ignore
+            }
+
+            if (Thread.interrupted()) {
+                LOG.debug("Refresher has been interrupted");
+                return;
+            }
+
+            if (!this.open.get()) {
+                LOG.debug("Cancelling refresher");
+                return;
+            }
+
+            this.updateFrameBuffer();
+        } while(this.open.get());
+
+    }
+
+    public double getFPS() {
+        return this.fps;
+    }
+
+    static {
+        DIMENSIONS = new Dimension[]{WebcamResolution.QQVGA.getSize(), WebcamResolution.QVGA.getSize(), WebcamResolution.VGA.getSize()};
+        BAND_OFFSETS = new int[]{0, 1, 2};
+        BITS = new int[]{8, 8, 8};
+        OFFSET = new int[]{0};
+        COLOR_SPACE = ColorSpace.getInstance(1000);
+    }
+
+    private class NextFrameTask extends WebcamTask {
+        private final AtomicInteger result = new AtomicInteger(0);
+
+        public NextFrameTask(WebcamDevice device) {
+            super(device);
+        }
+
+        public int nextFrame() {
+            try {
+                this.process();
+            } catch (InterruptedException var2) {
+                WebcamScanDevice.LOG.debug("Image buffer request interrupted", var2);
+            }
+
+            return this.result.get();
+        }
+
+        protected void handle() {
+            WebcamScanDevice device = (WebcamScanDevice)this.getDevice();
+            if (device.isOpen()) {
+                try {
+                    Thread.sleep(SCAN_LOOP_WAIT_MILLIS);
+                } catch(InterruptedException e) {
+                    //ignore
+                }
+
+                this.result.set(WebcamScanDevice.this.grabber.nextFrame());
+                WebcamScanDevice.this.fresh.set(true);
+            }
+        }
+    }
+}

src/main/java/com/sparrowwallet/sparrow/control/WebcamScanDriver.java

@@ -0,0 +1,22 @@
+package com.sparrowwallet.sparrow.control;
+
+import com.github.sarxos.webcam.WebcamDevice;
+import com.github.sarxos.webcam.ds.buildin.WebcamDefaultDevice;
+import com.github.sarxos.webcam.ds.buildin.WebcamDefaultDriver;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class WebcamScanDriver extends WebcamDefaultDriver {
+    @Override
+    public List<WebcamDevice> getDevices() {
+        List<WebcamDevice> devices = super.getDevices();
+        List<WebcamDevice> scanDevices = new ArrayList<>();
+        for(WebcamDevice device : devices) {
+            WebcamDefaultDevice defaultDevice = (WebcamDefaultDevice)device;
+            scanDevices.add(new WebcamScanDevice(defaultDevice.getDeviceRef()));
+        }
+
+        return scanDevices;
+    }
+}

src/main/java/com/sparrowwallet/sparrow/control/WebcamService.java

@@ -3,6 +3,7 @@ package com.sparrowwallet.sparrow.control;
 import com.github.sarxos.webcam.Webcam;
 import com.github.sarxos.webcam.WebcamListener;
 import com.github.sarxos.webcam.WebcamResolution;
+import com.github.sarxos.webcam.WebcamUpdater;
 import com.google.zxing.*;
 import com.google.zxing.client.j2se.BufferedImageLuminanceSource;
 import com.google.zxing.common.HybridBinarizer;
@@ -10,25 +11,38 @@ import javafx.beans.property.BooleanProperty;
 import javafx.beans.property.ObjectProperty;
 import javafx.beans.property.SimpleBooleanProperty;
 import javafx.beans.property.SimpleObjectProperty;
-import javafx.concurrent.Service;
+import javafx.concurrent.ScheduledService;
 import javafx.concurrent.Task;
 import javafx.embed.swing.SwingFXUtils;
 import javafx.scene.image.Image;
 
 import java.awt.image.BufferedImage;
 import java.util.Arrays;
+import java.util.List;
 import java.util.concurrent.TimeUnit;
 
-public class WebcamService extends Service<Image> {
+public class WebcamService extends ScheduledService<Image> {
     private WebcamResolution resolution;
     private final WebcamListener listener;
-    private BooleanProperty opening = new SimpleBooleanProperty(false);
+    private final WebcamUpdater.DelayCalculator delayCalculator;
+    private final BooleanProperty opening = new SimpleBooleanProperty(false);
 
     private final ObjectProperty<Result> resultProperty = new SimpleObjectProperty<>(null);
 
-    public WebcamService(WebcamResolution resolution, WebcamListener listener) {
+    private static final int QR_SAMPLE_PERIOD_MILLIS = 400;
+
+    private Webcam cam;
+    private long lastQrSampleTime;
+
+    static {
+        Webcam.setDriver(new WebcamScanDriver());
+    }
+
+    public WebcamService(WebcamResolution resolution, WebcamListener listener, WebcamUpdater.DelayCalculator delayCalculator) {
         this.resolution = resolution;
         this.listener = listener;
+        this.delayCalculator = delayCalculator;
+        this.lastQrSampleTime = System.currentTimeMillis();
     }
 
     @Override
@@ -36,35 +50,57 @@ public class WebcamService extends Service<Image> {
         return new Task<Image>() {
             @Override
             protected Image call() throws Exception {
-                Webcam cam = Webcam.getWebcams(1, TimeUnit.MINUTES).get(0);
                 try {
-                    cam.setCustomViewSizes(resolution.getSize());
-                    cam.setViewSize(resolution.getSize());
-                    if(!Arrays.asList(cam.getWebcamListeners()).contains(listener)) {
-                        cam.addWebcamListener(listener);
+                    if(cam == null) {
+                        List<Webcam> webcams = Webcam.getWebcams(1, TimeUnit.MINUTES);
+                        if(webcams.isEmpty()) {
+                            throw new UnsupportedOperationException("No camera available.");
+                        }
+
+                        cam = webcams.get(0);
+                        cam.setCustomViewSizes(resolution.getSize());
+                        cam.setViewSize(resolution.getSize());
+                        if(!Arrays.asList(cam.getWebcamListeners()).contains(listener)) {
+                            cam.addWebcamListener(listener);
+                        }
+
+                        opening.set(true);
+                        cam.open(true, delayCalculator);
+                        opening.set(false);
                     }
 
-                    opening.set(true);
-                    cam.open();
-                    opening.set(false);
-                    while(!isCancelled()) {
-                        if(cam.isImageNew()) {
-                            BufferedImage bimg = cam.getImage();
-                            updateValue(SwingFXUtils.toFXImage(bimg, null));
-                            readQR(bimg);
-                        }
+                    BufferedImage bimg = cam.getImage();
+                    Image image = SwingFXUtils.toFXImage(bimg, null);
+                    updateValue(image);
+
+                    if(System.currentTimeMillis() > (lastQrSampleTime + QR_SAMPLE_PERIOD_MILLIS)) {
+                        readQR(bimg);
+                        lastQrSampleTime = System.currentTimeMillis();
                     }
-                    return getValue();
+
+                    return image;
                 } finally {
                     opening.set(false);
-                    if(!cam.close()) {
-                        cam.close();
-                    }
                 }
             }
         };
     }
 
+    @Override
+    public void reset() {
+        cam = null;
+        super.reset();
+    }
+
+    @Override
+    public boolean cancel() {
+        if(cam != null && !cam.close()) {
+            cam.close();
+        }
+
+        return super.cancel();
+    }
+
     private void readQR(BufferedImage bufferedImage) {
         LuminanceSource source = new BufferedImageLuminanceSource(bufferedImage);
         BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));

src/main/java/com/sparrowwallet/sparrow/control/WebcamView.java

@@ -1,7 +1,10 @@
 package com.sparrowwallet.sparrow.control;
 
+import javafx.beans.property.ObjectProperty;
+import javafx.beans.property.SimpleObjectProperty;
 import javafx.scene.Node;
 import javafx.scene.control.Label;
+import javafx.scene.image.Image;
 import javafx.scene.image.ImageView;
 import javafx.scene.layout.Region;
 import org.slf4j.Logger;
@@ -14,7 +17,9 @@ public class WebcamView {
     private final WebcamService service;
     private final Region view;
 
-    private final Label statusPlaceholder ;
+    private final Label statusPlaceholder;
+
+    private final ObjectProperty<Image> imageProperty = new SimpleObjectProperty<>(null);
 
     public WebcamView(WebcamService service) {
         this.service = service ;
@@ -23,22 +28,32 @@ public class WebcamView {
         // make the cam behave like a mirror:
         imageView.setScaleX(-1);
 
+        service.valueProperty().addListener((observable, oldValue, newValue) -> {
+            if(newValue != null) {
+                imageProperty.set(newValue);
+            }
+        });
+
         this.statusPlaceholder = new Label();
         this.view = new Region() {
             {
                 service.stateProperty().addListener((obs, oldState, newState) -> {
                     switch (newState) {
                         case READY:
-                            statusPlaceholder.setText("Initializing");
-                            getChildren().setAll(statusPlaceholder);
+                            if(imageProperty.get() == null) {
+                                statusPlaceholder.setText("Initializing");
+                                getChildren().setAll(statusPlaceholder);
+                            }
                             break ;
                         case SCHEDULED:
-                            statusPlaceholder.setText("Waiting");
-                            getChildren().setAll(statusPlaceholder);
+                            if(imageProperty.get() == null) {
+                                statusPlaceholder.setText("Waiting");
+                                getChildren().setAll(statusPlaceholder);
+                            }
                             break ;
                         case RUNNING:
                             imageView.imageProperty().unbind();
-                            imageView.imageProperty().bind(service.valueProperty());
+                            imageView.imageProperty().bind(imageProperty);
                             getChildren().setAll(imageView);
                             break ;
                         case CANCELLED:

src/main/java/com/sparrowwallet/sparrow/event/ConnectionFailedEvent.java

@@ -1,5 +1,7 @@
 package com.sparrowwallet.sparrow.event;
 
+import com.sparrowwallet.sparrow.net.TlsServerException;
+
 public class ConnectionFailedEvent {
     private final Throwable exception;
 
@@ -10,4 +12,26 @@ public class ConnectionFailedEvent {
     public Throwable getException() {
         return exception;
     }
+
+    public String getMessage() {
+        if(exception instanceof TlsServerException) {
+            return exception.getMessage();
+        }
+
+        Throwable cause = (exception.getCause() != null ? exception.getCause() : exception);
+        cause = (cause.getCause() != null ? cause.getCause() : cause);
+        String message = splitCamelCase(cause.getClass().getSimpleName().replace("Exception", "Error"));
+        return message + " (" + cause.getMessage() + ")";
+    }
+
+    static String splitCamelCase(String s) {
+        return s.replaceAll(
+                String.format("%s|%s|%s",
+                        "(?<=[A-Z])(?=[A-Z][a-z])",
+                        "(?<=[^A-Z])(?=[A-Z])",
+                        "(?<=[A-Za-z])(?=[^A-Za-z])"
+                ),
+                " "
+        );
+    }
 }

src/main/java/com/sparrowwallet/sparrow/event/TorExternalStatusEvent.java

@@ -0,0 +1,7 @@
+package com.sparrowwallet.sparrow.event;
+
+public class TorExternalStatusEvent extends TorStatusEvent {
+    public TorExternalStatusEvent() {
+        super("Tor is already running, using external instance...");
+    }
+}

src/main/java/com/sparrowwallet/sparrow/event/TorFailedStatusEvent.java

@@ -1,12 +1,13 @@
 package com.sparrowwallet.sparrow.event;
 
+import com.sparrowwallet.sparrow.net.TorServerAlreadyBoundException;
+
 public class TorFailedStatusEvent extends TorStatusEvent {
     private final Throwable exception;
 
     public TorFailedStatusEvent(Throwable exception) {
-        super("Tor failed to start: " + (exception.getCause() != null ?
-                (exception.getCause().getMessage().contains("Failed to bind") ? exception.getCause().getMessage() + " Is a Tor proxy already running?" : exception.getCause().getMessage() ) :
-                exception.getMessage()));
+        super("Tor failed to start: " + (exception instanceof TorServerAlreadyBoundException ? exception.getCause().getMessage() + " Is a Tor proxy already running?" :
+                (exception.getCause() != null ? exception.getCause().getMessage() : exception.getMessage())));
         this.exception = exception;
     }
 

src/main/java/com/sparrowwallet/sparrow/io/Config.java

@@ -303,8 +303,16 @@ public class Config {
         return getServerType() == ServerType.BITCOIN_CORE ? getCoreServer() : (getServerType() == ServerType.PUBLIC_ELECTRUM_SERVER ? getPublicElectrumServer() : getElectrumServer());
     }
 
+    public boolean requiresInternalTor() {
+        if(isUseProxy()) {
+            return false;
+        }
+
+        return requiresTor();
+    }
+
     public boolean requiresTor() {
-        if(isUseProxy() || !hasServerAddress()) {
+        if(!hasServerAddress()) {
             return false;
         }
 

src/main/java/com/sparrowwallet/sparrow/io/Hwi.java

@@ -30,7 +30,7 @@ import java.util.zip.ZipInputStream;
 
 public class Hwi {
     private static final Logger log = LoggerFactory.getLogger(Hwi.class);
-    private static final String VERSION_PREFIX = "hwi-2.0.0-final";
+    private static final String VERSION_PREFIX = "hwi-2.0.1";
 
     private static boolean isPromptActive = false;
 
@@ -78,6 +78,16 @@ public class Hwi {
         }
     }
 
+    public boolean togglePassphrase(Device device) throws ImportException {
+        try {
+            String output = execute(getDeviceCommand(device, Command.TOGGLE_PASSPHRASE));
+            isPromptActive = false;
+            return wasSuccessful(output);
+        } catch(IOException e) {
+            throw new ImportException(e);
+        }
+    }
+
     public String getXpub(Device device, String passphrase, String derivationPath) throws ImportException {
         try {
             String output;
@@ -468,6 +478,24 @@ public class Hwi {
         }
     }
 
+    public static class TogglePassphraseService extends Service<Boolean> {
+        private final Device device;
+
+        public TogglePassphraseService(Device device) {
+            this.device = device;
+        }
+
+        @Override
+        protected Task<Boolean> createTask() {
+            return new Task<>() {
+                protected Boolean call() throws ImportException {
+                    Hwi hwi = new Hwi();
+                    return hwi.togglePassphrase(device);
+                }
+            };
+        }
+    }
+
     public static class DisplayAddressService extends Service<String> {
         private final Device device;
         private final String passphrase;
@@ -595,6 +623,7 @@ public class Hwi {
         ENUMERATE("enumerate", true),
         PROMPT_PIN("promptpin", true),
         SEND_PIN("sendpin", false),
+        TOGGLE_PASSPHRASE("togglepassphrase", true),
         DISPLAY_ADDRESS("displayaddress", true),
         SIGN_MESSAGE("signmessage", true),
         GET_XPUB("getxpub", true),

src/main/java/com/sparrowwallet/sparrow/io/PassportMultisig.java

@@ -28,11 +28,21 @@ public class PassportMultisig extends ColdcardMultisig {
 
     @Override
     public String getKeystoreImportDescription() {
-        return "Import file or QR created from Settings > Pair Software Wallet > Sparrow > Multisig > microSD/QR on your Passport.";
+        return "Import file or QR created from New Account > Sparrow > Multisig > QR Code/microSD on your Passport. For existing accounts, use Manage Account > Export by QR/microSD.";
     }
 
     @Override
     public boolean isKeystoreImportScannable() {
         return true;
     }
+
+    @Override
+    public String getWalletExportDescription() {
+        return "As part of the New Account > Sparrow > Multisig flow, Passport will ask you to scan or import the multisig configuration from Sparrow.";
+    }
+
+    @Override
+    public boolean isWalletExportScannable() {
+        return true;
+    }
 }

src/main/java/com/sparrowwallet/sparrow/io/PassportSinglesig.java

@@ -14,7 +14,7 @@ public class PassportSinglesig extends ColdcardSinglesig {
 
     @Override
     public String getKeystoreImportDescription() {
-        return "Import file or QR created from Settings > Pair Software Wallet > Sparrow > Single Sig > microSD/QR on your Passport.";
+        return "Import file or QR created from New Account > Sparrow > Standard > QR Code/microSD on your Passport. For existing accounts, use Manage Account > Export by QR/microSD.";
     }
 
     @Override

src/main/java/com/sparrowwallet/sparrow/io/Storage.java

@@ -24,6 +24,8 @@ import java.lang.reflect.Type;
 import java.nio.ByteBuffer;
 import java.nio.charset.StandardCharsets;
 import java.security.SecureRandom;
+import java.security.cert.Certificate;
+import java.security.cert.CertificateEncodingException;
 import java.text.DateFormat;
 import java.text.SimpleDateFormat;
 import java.util.*;
@@ -44,6 +46,7 @@ public class Storage {
     public static final String WINDOWS_SPARROW_DIR = "Sparrow";
     public static final String WALLETS_DIR = "wallets";
     public static final String WALLETS_BACKUP_DIR = "backup";
+    public static final String CERTS_DIR = "certs";
     public static final String HEADER_MAGIC_1 = "SPRW1";
     private static final int BINARY_HEADER_LENGTH = 28;
     public static final String TEMP_BACKUP_EXTENSION = "tmp";
@@ -384,6 +387,37 @@ public class Storage {
         return walletsDir;
     }
 
+    public static File getCertificateFile(String host) {
+        File certsDir = getCertsDir();
+        File[] certs = certsDir.listFiles((dir, name) -> name.equals(host));
+        if(certs.length > 0) {
+            return certs[0];
+        }
+
+        return null;
+    }
+
+    public static void saveCertificate(String host, Certificate cert) {
+        try(FileWriter writer = new FileWriter(new File(getCertsDir(), host))) {
+            writer.write("-----BEGIN CERTIFICATE-----\n");
+            writer.write(Base64.getEncoder().encodeToString(cert.getEncoded()).replaceAll("(.{64})", "$1\n"));
+            writer.write("\n-----END CERTIFICATE-----\n");
+        } catch(CertificateEncodingException e) {
+            log.error("Error encoding PEM certificate", e);
+        } catch(IOException e) {
+            log.error("Error writing PEM certificate", e);
+        }
+    }
+
+    static File getCertsDir() {
+        File certsDir = new File(getSparrowDir(), CERTS_DIR);
+        if(!certsDir.exists()) {
+            certsDir.mkdirs();
+        }
+
+        return certsDir;
+    }
+
     static File getSparrowDir() {
         if(Network.get() != Network.MAINNET) {
             return new File(getSparrowHome(), Network.get().getName());

src/main/java/com/sparrowwallet/sparrow/net/ExchangeSource.java

@@ -56,7 +56,11 @@ public enum ExchangeSource {
                 Gson gson = new Gson();
                 return gson.fromJson(reader, CoinbaseRates.class);
             } catch (Exception e) {
-                log.error("Error retrieving currency rates", e);
+                if(log.isDebugEnabled()) {
+                    log.warn("Error retrieving currency rates", e);
+                } else {
+                    log.warn("Error retrieving currency rates (" + e.getMessage() + ")");
+                }
                 return new CoinbaseRates();
             }
         }
@@ -86,8 +90,12 @@ public enum ExchangeSource {
             try(InputStream is = (proxy == null ? new URL(url).openStream() : new URL(url).openConnection(proxy).getInputStream()); Reader reader = new InputStreamReader(is, StandardCharsets.UTF_8)) {
                 Gson gson = new Gson();
                 return gson.fromJson(reader, CoinGeckoRates.class);
-            } catch (Exception e) {
-                log.error("Error retrieving currency rates", e);
+            } catch(Exception e) {
+                if(log.isDebugEnabled()) {
+                    log.warn("Error retrieving currency rates", e);
+                } else {
+                    log.warn("Error retrieving currency rates (" + e.getMessage() + ")");
+                }
                 return new CoinGeckoRates();
             }
         }

src/main/java/com/sparrowwallet/sparrow/net/FeeRatesSource.java

@@ -87,7 +87,11 @@ public enum FeeRatesSource {
                 blockTargetFeeRates.put(Integer.MAX_VALUE, threeTierRates.minimumFee);
             }
         } catch (Exception e) {
-            log.warn("Error retrieving recommended fee rates from " + url, e);
+            if(log.isDebugEnabled()) {
+                log.warn("Error retrieving recommended fee rates from " + url, e);
+            } else {
+                log.warn("Error retrieving recommended fee rates from " + url + " (" + e.getMessage() + ")");
+            }
         }
 
         return blockTargetFeeRates;

src/main/java/com/sparrowwallet/sparrow/net/Protocol.java

@@ -39,7 +39,7 @@ public enum Protocol {
     },
     SSL {
         @Override
-        public Transport getTransport(HostAndPort server) throws KeyManagementException, NoSuchAlgorithmException {
+        public Transport getTransport(HostAndPort server) throws IOException, CertificateException, NoSuchAlgorithmException, KeyStoreException, KeyManagementException {
             if(isOnionAddress(server)) {
                 return new TorTcpOverTlsTransport(server);
             }
@@ -57,7 +57,7 @@ public enum Protocol {
         }
 
         @Override
-        public Transport getTransport(HostAndPort server, HostAndPort proxy) throws NoSuchAlgorithmException, KeyManagementException {
+        public Transport getTransport(HostAndPort server, HostAndPort proxy) throws IOException, CertificateException, NoSuchAlgorithmException, KeyStoreException, KeyManagementException {
             return new ProxyTcpOverTlsTransport(server, proxy);
         }
 
@@ -68,27 +68,27 @@ public enum Protocol {
     },
     HTTP {
         @Override
-        public Transport getTransport(HostAndPort server) throws KeyManagementException, NoSuchAlgorithmException {
+        public Transport getTransport(HostAndPort server) {
             throw new UnsupportedOperationException("No transport supported for HTTP");
         }
 
         @Override
-        public Transport getTransport(HostAndPort server, File serverCert) throws IOException, CertificateException, NoSuchAlgorithmException, KeyStoreException, KeyManagementException {
+        public Transport getTransport(HostAndPort server, File serverCert) {
             throw new UnsupportedOperationException("No transport supported for HTTP");
         }
 
         @Override
-        public Transport getTransport(HostAndPort server, HostAndPort proxy) throws IOException, CertificateException, NoSuchAlgorithmException, KeyStoreException, KeyManagementException {
+        public Transport getTransport(HostAndPort server, HostAndPort proxy) {
             throw new UnsupportedOperationException("No transport supported for HTTP");
         }
 
         @Override
-        public Transport getTransport(HostAndPort server, File serverCert, HostAndPort proxy) throws IOException, CertificateException, NoSuchAlgorithmException, KeyStoreException, KeyManagementException {
+        public Transport getTransport(HostAndPort server, File serverCert, HostAndPort proxy) {
             throw new UnsupportedOperationException("No transport supported for HTTP");
         }
     };
 
-    public abstract Transport getTransport(HostAndPort server) throws KeyManagementException, NoSuchAlgorithmException;
+    public abstract Transport getTransport(HostAndPort server) throws IOException, CertificateException, NoSuchAlgorithmException, KeyStoreException, KeyManagementException;
 
     public abstract Transport getTransport(HostAndPort server, File serverCert) throws IOException, CertificateException, NoSuchAlgorithmException, KeyStoreException, KeyManagementException;
 

src/main/java/com/sparrowwallet/sparrow/net/ProxyServerException.java

@@ -0,0 +1,7 @@
+package com.sparrowwallet.sparrow.net;
+
+public class ProxyServerException extends ServerException {
+    public ProxyServerException(Throwable cause) {
+        super(cause);
+    }
+}

src/main/java/com/sparrowwallet/sparrow/net/ProxyTcpOverTlsTransport.java

@@ -18,7 +18,7 @@ public class ProxyTcpOverTlsTransport extends TcpOverTlsTransport {
 
     private final HostAndPort proxy;
 
-    public ProxyTcpOverTlsTransport(HostAndPort server, HostAndPort proxy) throws KeyManagementException, NoSuchAlgorithmException {
+    public ProxyTcpOverTlsTransport(HostAndPort server, HostAndPort proxy) throws IOException, CertificateException, NoSuchAlgorithmException, KeyStoreException, KeyManagementException {
         super(server);
         this.proxy = proxy;
     }
@@ -34,7 +34,7 @@ public class ProxyTcpOverTlsTransport extends TcpOverTlsTransport {
         Socket underlying = new Socket(new Proxy(Proxy.Type.SOCKS, proxyAddr));
         underlying.connect(new InetSocketAddress(server.getHost(), server.getPortOrDefault(DEFAULT_PORT)));
         SSLSocket sslSocket = (SSLSocket) sslSocketFactory.createSocket(underlying, proxy.getHost(), proxy.getPortOrDefault(DEFAULT_PROXY_PORT), true);
-        sslSocket.startHandshake();
+        startHandshake(sslSocket);
 
         return sslSocket;
     }

src/main/java/com/sparrowwallet/sparrow/net/TcpOverTlsTransport.java

@@ -1,6 +1,9 @@
 package com.sparrowwallet.sparrow.net;
 
 import com.google.common.net.HostAndPort;
+import com.sparrowwallet.sparrow.io.Storage;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import javax.net.ssl.*;
 import java.io.File;
@@ -8,35 +11,23 @@ import java.io.FileInputStream;
 import java.io.IOException;
 import java.net.Socket;
 import java.security.*;
+import java.security.cert.*;
 import java.security.cert.Certificate;
-import java.security.cert.CertificateException;
-import java.security.cert.CertificateFactory;
-import java.security.cert.X509Certificate;
 
 public class TcpOverTlsTransport extends TcpTransport {
+    private static final Logger log = LoggerFactory.getLogger(TcpOverTlsTransport.class);
+
     public static final int DEFAULT_PORT = 50002;
 
     protected final SSLSocketFactory sslSocketFactory;
 
-    public TcpOverTlsTransport(HostAndPort server) throws NoSuchAlgorithmException, KeyManagementException {
+    public TcpOverTlsTransport(HostAndPort server) throws NoSuchAlgorithmException, KeyManagementException, CertificateException, KeyStoreException, IOException {
         super(server);
 
-        TrustManager[] trustAllCerts = new TrustManager[]{
-                new X509TrustManager() {
-                    public X509Certificate[] getAcceptedIssuers() {
-                        return new X509Certificate[0];
-                    }
-
-                    public void checkClientTrusted(X509Certificate[] certs, String authType) {
-                    }
-
-                    public void checkServerTrusted(X509Certificate[] certs, String authType) {
-                    }
-                }
-        };
+        TrustManager[] trustManagers = getTrustManagers(Storage.getCertificateFile(server.getHost()));
 
         SSLContext sslContext = SSLContext.getInstance("TLS");
-        sslContext.init(null, trustAllCerts, new SecureRandom());
+        sslContext.init(null, trustManagers, new SecureRandom());
 
         this.sslSocketFactory = sslContext.getSocketFactory();
     }
@@ -44,25 +35,77 @@ public class TcpOverTlsTransport extends TcpTransport {
     public TcpOverTlsTransport(HostAndPort server, File crtFile) throws IOException, CertificateException, NoSuchAlgorithmException, KeyStoreException, KeyManagementException {
         super(server);
 
-        Certificate certificate = CertificateFactory.getInstance("X.509").generateCertificate(new FileInputStream(crtFile));
-
-        KeyStore keyStore = KeyStore.getInstance(KeyStore.getDefaultType());
-        keyStore.load(null, null);
-        keyStore.setCertificateEntry("electrumx", certificate);
-
-        TrustManagerFactory trustManagerFactory = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
-        trustManagerFactory.init(keyStore);
+        TrustManager[] trustManagers = getTrustManagers(crtFile);
 
         SSLContext sslContext = SSLContext.getInstance("TLS");
-        sslContext.init(null, trustManagerFactory.getTrustManagers(), null);
+        sslContext.init(null, trustManagers, null);
 
         sslSocketFactory = sslContext.getSocketFactory();
     }
 
+    private TrustManager[] getTrustManagers(File crtFile) throws IOException, CertificateException, NoSuchAlgorithmException, KeyStoreException {
+        if(crtFile == null) {
+            return new TrustManager[] {
+                    new X509TrustManager() {
+                        public X509Certificate[] getAcceptedIssuers() {
+                            return new X509Certificate[0];
+                        }
+
+                        public void checkClientTrusted(X509Certificate[] certs, String authType) throws CertificateException {
+                        }
+
+                        public void checkServerTrusted(X509Certificate[] certs, String authType) throws CertificateException {
+                            if(certs.length == 0) {
+                                throw new CertificateException("No server certificate provided");
+                            }
+
+                            certs[0].checkValidity();
+                        }
+                    }
+            };
+        }
+
+        Certificate certificate = CertificateFactory.getInstance("X.509").generateCertificate(new FileInputStream(crtFile));
+        if(certificate instanceof X509Certificate) {
+            try {
+                X509Certificate x509Certificate = (X509Certificate)certificate;
+                x509Certificate.checkValidity();
+            } catch(CertificateException e) {
+                crtFile.delete();
+                return getTrustManagers(null);
+            }
+        }
+
+        KeyStore keyStore = KeyStore.getInstance(KeyStore.getDefaultType());
+        keyStore.load(null, null);
+        keyStore.setCertificateEntry("electrum-server", certificate);
+
+        TrustManagerFactory trustManagerFactory = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
+        trustManagerFactory.init(keyStore);
+
+        return trustManagerFactory.getTrustManagers();
+    }
+
     protected Socket createSocket() throws IOException {
         SSLSocket sslSocket = (SSLSocket) sslSocketFactory.createSocket(server.getHost(), server.getPortOrDefault(DEFAULT_PORT));
-        sslSocket.startHandshake();
-
+        startHandshake(sslSocket);
         return sslSocket;
     }
+
+    protected void startHandshake(SSLSocket sslSocket) throws IOException {
+        sslSocket.addHandshakeCompletedListener(event -> {
+            if(Storage.getCertificateFile(server.getHost()) == null) {
+                try {
+                    Certificate[] certs = event.getPeerCertificates();
+                    if(certs.length > 0) {
+                        Storage.saveCertificate(server.getHost(), certs[0]);
+                    }
+                } catch(SSLPeerUnverifiedException e) {
+                    log.warn("Attempting to retrieve certificate for unverified peer", e);
+                }
+            }
+        });
+
+        sslSocket.startHandshake();
+    }
 }

src/main/java/com/sparrowwallet/sparrow/net/TcpTransport.java

@@ -10,6 +10,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import javax.net.SocketFactory;
+import javax.net.ssl.SSLHandshakeException;
 import java.io.*;
 import java.net.Socket;
 import java.nio.charset.StandardCharsets;
@@ -192,7 +193,13 @@ public class TcpTransport implements Transport, Closeable {
         try {
             socket = createSocket();
             running = true;
+        } catch(SSLHandshakeException e) {
+            throw new TlsServerException(server, e);
         } catch(IOException e) {
+            if(e.getStackTrace().length > 0 && e.getStackTrace()[0].getClassName().contains("SocksSocketImpl")) {
+                throw new ProxyServerException(e);
+            }
+
             throw new ServerException(e);
         }
     }

src/main/java/com/sparrowwallet/sparrow/net/TlsServerException.java

@@ -0,0 +1,59 @@
+package com.sparrowwallet.sparrow.net;
+
+import com.google.common.net.HostAndPort;
+import com.sparrowwallet.sparrow.io.Config;
+import com.sparrowwallet.sparrow.io.Storage;
+
+import java.io.File;
+import java.security.cert.CertificateExpiredException;
+import java.security.cert.CertificateNotYetValidException;
+
+public class TlsServerException extends ServerException {
+    private final HostAndPort server;
+
+    public TlsServerException(HostAndPort server) {
+        this.server = server;
+    }
+
+    public TlsServerException(HostAndPort server, String message) {
+        super(message);
+        this.server = server;
+    }
+
+    public TlsServerException(HostAndPort server, Throwable cause) {
+        this(server, getMessage(cause, server), cause);
+    }
+
+    public TlsServerException(HostAndPort server, String message, Throwable cause) {
+        super(message, cause);
+        this.server = server;
+    }
+
+    public HostAndPort getServer() {
+        return server;
+    }
+
+    private static String getMessage(Throwable cause, HostAndPort server) {
+        if(cause != null) {
+            if(cause.getMessage().contains("PKIX path building failed")) {
+                File configCrtFile = Config.get().getElectrumServerCert();
+                File savedCrtFile = Storage.getCertificateFile(server.getHost());
+                if(configCrtFile != null) {
+                    return "Provided server certificate from " + server.getHost() + " did not match configured certificate at " + configCrtFile.getAbsolutePath();
+                } else if(savedCrtFile != null) {
+                    return "Provided server certificate from " + server.getHost() + " did not match previously saved certificate at " + savedCrtFile.getAbsolutePath();
+                }
+
+                return "Provided server certificate from " + server.getHost() + " was invalid: " + (cause.getCause() != null ? cause.getCause().getMessage() : cause.getMessage());
+            } else if(cause.getCause() instanceof CertificateNotYetValidException) {
+                return cause.getMessage().replace("NotBefore:", "Certificate only valid from");
+            } else if(cause.getCause() instanceof CertificateExpiredException) {
+                return cause.getMessage().replace("NotAfter:", "Certificate expired at");
+            }
+
+            return cause.getMessage();
+        }
+
+        return "SSL Handshake Error";
+    }
+}

src/main/java/com/sparrowwallet/sparrow/net/TorServerAlreadyBoundException.java

@@ -0,0 +1,11 @@
+package com.sparrowwallet.sparrow.net;
+
+public class TorServerAlreadyBoundException extends TorServerException {
+    public TorServerAlreadyBoundException(Throwable cause) {
+        super(cause);
+    }
+
+    public TorServerAlreadyBoundException(String message, Throwable cause) {
+        super(message, cause);
+    }
+}

src/main/java/com/sparrowwallet/sparrow/net/TorServerException.java

@@ -0,0 +1,11 @@
+package com.sparrowwallet.sparrow.net;
+
+public class TorServerException extends ServerException {
+    public TorServerException(Throwable cause) {
+        super(cause);
+    }
+
+    public TorServerException(String message, Throwable cause) {
+        super(message, cause);
+    }
+}

src/main/java/com/sparrowwallet/sparrow/net/TorService.java

@@ -32,7 +32,7 @@ public class TorService extends ScheduledService<NativeTor> {
     @Override
     protected Task<NativeTor> createTask() {
         return new Task<>() {
-            protected NativeTor call() throws IOException {
+            protected NativeTor call() throws IOException, TorServerException {
                 if(Tor.getDefault() == null) {
                     Path path = Files.createTempDirectory(TOR_DIR_PREFIX);
                     File torInstallDir = path.toFile();
@@ -45,11 +45,15 @@ public class TorService extends ScheduledService<NativeTor> {
 
                         return new NativeTor(torInstallDir, Collections.emptyList(), override);
                     } catch(TorCtlException e) {
-                        log.error("Failed to start Tor", e);
                         if(e.getCause() instanceof TorControlError) {
-                            throw new IOException("Failed to start Tor", e.getCause());
+                            if(e.getCause().getMessage().contains("Failed to bind")) {
+                                throw new TorServerAlreadyBoundException("Tor server already bound", e.getCause());
+                            }
+                            log.error("Failed to start Tor", e);
+                            throw new TorServerException("Failed to start Tor", e.getCause());
                         } else {
-                            throw new IOException("Failed to start Tor", e);
+                            log.error("Failed to start Tor", e);
+                            throw new TorServerException("Failed to start Tor", e);
                         }
                     }
                 }

src/main/java/com/sparrowwallet/sparrow/net/TorTcpOverTlsTransport.java

@@ -17,7 +17,7 @@ import java.security.cert.CertificateException;
 public class TorTcpOverTlsTransport extends TcpOverTlsTransport {
     private static final Logger log = LoggerFactory.getLogger(TorTcpOverTlsTransport.class);
 
-    public TorTcpOverTlsTransport(HostAndPort server) throws NoSuchAlgorithmException, KeyManagementException {
+    public TorTcpOverTlsTransport(HostAndPort server) throws IOException, CertificateException, NoSuchAlgorithmException, KeyStoreException, KeyManagementException {
         super(server);
     }
 
@@ -42,7 +42,7 @@ public class TorTcpOverTlsTransport extends TcpOverTlsTransport {
         }
 
         SSLSocket sslSocket = (SSLSocket) sslSocketFactory.createSocket(socket, server.getHost(), server.getPortOrDefault(DEFAULT_PORT), true);
-        sslSocket.startHandshake();
+        startHandshake(sslSocket);
 
         return sslSocket;
     }

src/main/java/com/sparrowwallet/sparrow/preferences/ServerPreferencesController.java

@@ -11,6 +11,7 @@ import com.sparrowwallet.sparrow.control.UnlabeledToggleSwitch;
 import com.sparrowwallet.sparrow.event.*;
 import com.sparrowwallet.sparrow.glyphfont.FontAwesome5;
 import com.sparrowwallet.sparrow.io.Config;
+import com.sparrowwallet.sparrow.io.Storage;
 import com.sparrowwallet.sparrow.net.*;
 import javafx.application.Platform;
 import javafx.beans.value.ChangeListener;
@@ -35,13 +36,13 @@ import org.slf4j.LoggerFactory;
 import tornadofx.control.Field;
 import tornadofx.control.Form;
 
-import javax.net.ssl.SSLHandshakeException;
 import java.io.File;
 import java.io.FileInputStream;
 import java.security.cert.CertificateFactory;
 import java.text.DateFormat;
 import java.text.SimpleDateFormat;
 import java.util.List;
+import java.util.Optional;
 import java.util.Random;
 
 public class ServerPreferencesController extends PreferencesDetailController {
@@ -305,7 +306,7 @@ public class ServerPreferencesController extends PreferencesDetailController {
             testConnection.setGraphic(getGlyph(FontAwesome5.Glyph.ELLIPSIS_H, null));
             testResults.setText("Connecting to " + config.getServerAddress() + "...");
 
-            if(Config.get().requiresTor() && Tor.getDefault() == null) {
+            if(Config.get().requiresInternalTor() && Tor.getDefault() == null) {
                 startTor();
             } else {
                 startElectrumConnection();
@@ -429,8 +430,10 @@ public class ServerPreferencesController extends PreferencesDetailController {
 
             Throwable exception = workerStateEvent.getSource().getException();
             if(Config.get().getServerType() == ServerType.ELECTRUM_SERVER &&
-                    exception.getCause() != null && exception.getCause() instanceof TorControlError && exception.getCause().getMessage().contains("Failed to bind") &&
-                    useProxyOriginal == null && !useProxy.isSelected() && proxyHost.getText().isEmpty() && proxyPort.getText().isEmpty()) {
+                    exception instanceof TorServerAlreadyBoundException &&
+                    useProxyOriginal == null && !useProxy.isSelected() &&
+                    (proxyHost.getText().isEmpty() || proxyHost.getText().equals("localhost") || proxyHost.getText().equals("127.0.0.1")) &&
+                    (proxyPort.getText().isEmpty() || proxyPort.getText().equals("9050"))) {
                 useProxy.setSelected(true);
                 proxyHost.setText("localhost");
                 proxyPort.setText("9050");
@@ -545,10 +548,29 @@ public class ServerPreferencesController extends PreferencesDetailController {
     private void showConnectionFailure(Throwable exception) {
         log.error("Connection error", exception);
         String reason = exception.getCause() != null ? exception.getCause().getMessage() : exception.getMessage();
-        if(exception.getCause() != null && exception.getCause() instanceof SSLHandshakeException) {
-            reason = "SSL Handshake Error\n" + reason;
-        }
-        if(exception.getCause() != null && exception.getCause() instanceof TorControlError && exception.getCause().getMessage().contains("Failed to bind")) {
+        if(exception instanceof TlsServerException && exception.getCause() != null) {
+            TlsServerException tlsServerException = (TlsServerException)exception;
+            if(exception.getCause().getMessage().contains("PKIX path building failed")) {
+                File configCrtFile = Config.get().getElectrumServerCert();
+                File savedCrtFile = Storage.getCertificateFile(tlsServerException.getServer().getHost());
+                if(configCrtFile == null && savedCrtFile != null) {
+                    Optional<ButtonType> optButton = AppServices.showErrorDialog("SSL Handshake Failed", "The certificate provided by the server at " + tlsServerException.getServer().getHost() + " appears to have changed." +
+                            "\n\nThis may indicate a man-in-the-middle attack!" +
+                            "\n\nDo you still want to proceed?", ButtonType.NO, ButtonType.YES);
+                    if(optButton.isPresent()) {
+                        if(optButton.get() == ButtonType.YES) {
+                            savedCrtFile.delete();
+                            Platform.runLater(this::startElectrumConnection);
+                            return;
+                        }
+                    }
+                }
+            }
+
+            reason = tlsServerException.getMessage() + "\n\n" + reason;
+        } else if(exception instanceof ProxyServerException) {
+            reason += ". Check if the proxy server is running.";
+        } else if(exception instanceof TorServerAlreadyBoundException) {
             reason += "\nIs a Tor proxy already running on port " + TorService.PROXY_PORT + "?";
         }
 

src/main/java/com/sparrowwallet/sparrow/transaction/HeadersController.java

@@ -680,10 +680,8 @@ public class HeadersController extends TransactionFormController implements Init
                 file = new File(file.getAbsolutePath() + ".psbt");
             }
 
-            try {
-                try(PrintWriter writer = new PrintWriter(file, StandardCharsets.UTF_8)) {
-                    writer.print(headersForm.getPsbt().toBase64String());
-                }
+            try(FileOutputStream outputStream = new FileOutputStream(file)) {
+                outputStream.write(headersForm.getPsbt().serialize());
             } catch(IOException e) {
                 log.error("Error saving PSBT", e);
                 AppServices.showErrorDialog("Error saving PSBT", "Cannot write to " + file.getAbsolutePath());

src/main/java/com/sparrowwallet/sparrow/wallet/AddressesController.java

@@ -1,19 +1,33 @@
 package com.sparrowwallet.sparrow.wallet;
 
+import com.csvreader.CsvWriter;
 import com.google.common.eventbus.Subscribe;
 import com.sparrowwallet.drongo.KeyPurpose;
+import com.sparrowwallet.drongo.wallet.Wallet;
 import com.sparrowwallet.drongo.wallet.WalletNode;
+import com.sparrowwallet.sparrow.AppServices;
 import com.sparrowwallet.sparrow.EventManager;
 import com.sparrowwallet.sparrow.control.AddressTreeTable;
 import com.sparrowwallet.sparrow.event.*;
+import javafx.event.ActionEvent;
 import javafx.fxml.FXML;
 import javafx.fxml.Initializable;
+import javafx.stage.FileChooser;
+import javafx.stage.Stage;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
+import java.io.*;
 import java.net.URL;
+import java.nio.charset.StandardCharsets;
 import java.util.List;
+import java.util.Optional;
 import java.util.ResourceBundle;
 
 public class AddressesController extends WalletFormController implements Initializable {
+    private static final Logger log = LoggerFactory.getLogger(AddressesController.class);
+    public static final int DEFAULT_EXPORT_ADDRESSES_LENGTH = 250;
+
     @FXML
     private AddressTreeTable receiveTable;
 
@@ -83,4 +97,45 @@ public class AddressesController extends WalletFormController implements Initial
             changeTable.updateAll(getWalletForm().getNodeEntry(KeyPurpose.CHANGE));
         }
     }
+
+    public void exportReceiveAddresses(ActionEvent event) {
+        exportAddresses(KeyPurpose.RECEIVE);
+    }
+
+    public void exportChangeAddresses(ActionEvent event) {
+        exportAddresses(KeyPurpose.CHANGE);
+    }
+
+    private void exportAddresses(KeyPurpose keyPurpose) {
+        Stage window = new Stage();
+
+        FileChooser fileChooser = new FileChooser();
+        fileChooser.setTitle("Export Addresses to CSV");
+        fileChooser.setInitialFileName(getWalletForm().getWallet().getName() + "-" + keyPurpose.name().toLowerCase() + "-addresses.txt");
+
+        Wallet copy = getWalletForm().getWallet().copy();
+        WalletNode purposeNode = copy.getNode(keyPurpose);
+        purposeNode.fillToIndex(Math.max(purposeNode.getChildren().size(), DEFAULT_EXPORT_ADDRESSES_LENGTH));
+
+        File file = fileChooser.showSaveDialog(window);
+        if(file != null) {
+            try(FileOutputStream outputStream = new FileOutputStream(file)) {
+                CsvWriter writer = new CsvWriter(outputStream, ',', StandardCharsets.UTF_8);
+                writer.writeRecord(new String[] {"Index", "Payment Address", "Derivation", "Label"});
+                for(WalletNode indexNode : purposeNode.getChildren()) {
+                    writer.write(Integer.toString(indexNode.getIndex()));
+                    writer.write(copy.getAddress(indexNode).toString());
+                    writer.write(getDerivationPath(indexNode));
+                    Optional<Entry> optLabelEntry = getWalletForm().getNodeEntry(keyPurpose).getChildren().stream()
+                            .filter(entry -> ((NodeEntry)entry).getNode().getIndex() == indexNode.getIndex()).findFirst();
+                    writer.write(optLabelEntry.isPresent() ? optLabelEntry.get().getLabel() : "");
+                    writer.endRecord();
+                }
+                writer.close();
+            } catch(IOException e) {
+                log.error("Error exporting addresses as CSV", e);
+                AppServices.showErrorDialog("Error exporting addresses as CSV", e.getMessage());
+            }
+        }
+    }
 }

src/main/java/com/sparrowwallet/sparrow/wallet/ReceiveController.java

@@ -117,20 +117,7 @@ public class ReceiveController extends WalletFormController implements Initializ
     }
 
     private void updateDerivationPath(NodeEntry nodeEntry) {
-        KeyDerivation firstDerivation = getWalletForm().getWallet().getKeystores().get(0).getKeyDerivation();
-        boolean singleDerivationPath = true;
-        for(Keystore keystore : getWalletForm().getWallet().getKeystores()) {
-            if(!keystore.getKeyDerivation().getDerivationPath().equals(firstDerivation.getDerivationPath())) {
-                singleDerivationPath = false;
-                break;
-            }
-        }
-
-        if(singleDerivationPath) {
-            derivationPath.setText(firstDerivation.extend(nodeEntry.getNode().getDerivation()).getDerivationPath());
-        } else {
-            derivationPath.setText(nodeEntry.getNode().getDerivationPath().replace("m", "multi"));
-        }
+        derivationPath.setText(getDerivationPath(nodeEntry.getNode()));
     }
 
     private void updateLastUsed() {

src/main/java/com/sparrowwallet/sparrow/wallet/SettingsController.java

@@ -316,8 +316,17 @@ public class SettingsController extends WalletFormController implements Initiali
     }
 
     public void exportWallet(ActionEvent event) {
-        WalletExportDialog dlg = new WalletExportDialog(walletForm.getWallet());
-        dlg.showAndWait();
+        if(walletForm.getWalletFile() == null) {
+            throw new IllegalStateException("Cannot export unsaved wallet");
+        }
+
+        Optional<Wallet> optWallet = AppServices.get().getOpenWallets().entrySet().stream().filter(entry -> walletForm.getWalletFile().equals(entry.getValue().getWalletFile())).map(Map.Entry::getKey).findFirst();
+        if(optWallet.isPresent()) {
+            WalletExportDialog dlg = new WalletExportDialog(optWallet.get());
+            dlg.showAndWait();
+        } else {
+            AppServices.showErrorDialog("Cannot export wallet", "Wallet cannot be exported, please save it first.");
+        }
     }
 
     @Override

src/main/java/com/sparrowwallet/sparrow/wallet/WalletFormController.java

@@ -1,6 +1,9 @@
 package com.sparrowwallet.sparrow.wallet;
 
 import com.google.common.eventbus.Subscribe;
+import com.sparrowwallet.drongo.KeyDerivation;
+import com.sparrowwallet.drongo.wallet.Keystore;
+import com.sparrowwallet.drongo.wallet.WalletNode;
 import com.sparrowwallet.sparrow.BaseController;
 import com.sparrowwallet.sparrow.EventManager;
 import com.sparrowwallet.sparrow.WalletTabData;
@@ -30,4 +33,24 @@ public abstract class WalletFormController extends BaseController {
             }
         }
     }
+
+    protected boolean isSingleDerivationPath() {
+        KeyDerivation firstDerivation = getWalletForm().getWallet().getKeystores().get(0).getKeyDerivation();
+        for(Keystore keystore : getWalletForm().getWallet().getKeystores()) {
+            if(!keystore.getKeyDerivation().getDerivationPath().equals(firstDerivation.getDerivationPath())) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    protected String getDerivationPath(WalletNode node) {
+        if(isSingleDerivationPath()) {
+            KeyDerivation firstDerivation = getWalletForm().getWallet().getKeystores().get(0).getKeyDerivation();
+            return firstDerivation.extend(node.getDerivation()).getDerivationPath();
+        }
+
+        return node.getDerivationPath().replace("m", "multi");
+    }
 }

src/main/java/module-info.java

@@ -29,4 +29,5 @@ open module com.sparrowwallet.sparrow {
     requires jtorctl;
     requires javacsv;
     requires jul.to.slf4j;
+    requires bridj;
 }

src/main/resources/com/sparrowwallet/sparrow/app.fxml

@@ -27,6 +27,10 @@
                             </items>
                         </Menu>
                         <MenuItem fx:id="saveTransaction" mnemonicParsing="false" text="Save Transaction..." accelerator="Shortcut+S" onAction="#saveTransaction"/>
+                        <Menu fx:id="savePSBT" mnemonicParsing="false" text="Save PSBT">
+                            <MenuItem text="As Binary..." onAction="#savePSBTBinary" accelerator="Shortcut+S"/>
+                            <MenuItem text="As Base64..." onAction="#savePSBTText"/>
+                        </Menu>
                         <SeparatorMenuItem />
                         <MenuItem mnemonicParsing="false" text="Import Wallet..." onAction="#importWallet"/>
                         <MenuItem fx:id="exportWallet" mnemonicParsing="false" text="Export Wallet..." onAction="#exportWallet"/>
@@ -43,7 +47,7 @@
                 <fx:define>
                     <ToggleGroup fx:id="theme"/>
                 </fx:define>
-                <Menu mnemonicParsing="false" text="View">
+                <Menu fx:id="viewMenu" mnemonicParsing="false" text="View">
                     <items>
                         <Menu mnemonicParsing="false" text="Bitcoin Unit">
                             <items>
@@ -81,8 +85,10 @@
                         <SeparatorMenuItem />
                         <CheckMenuItem fx:id="openWalletsInNewWindows" mnemonicParsing="false" text="Open Wallets in New Windows" onAction="#openWalletsInNewWindows"/>
                         <CheckMenuItem fx:id="hideEmptyUsedAddresses" mnemonicParsing="false" text="Hide Empty Used Addresses" onAction="#hideEmptyUsedAddresses"/>
+                        <CheckMenuItem fx:id="useHdCameraResolution" mnemonicParsing="false" text="Use HD Camera Resolution" onAction="#useHdCameraResolution"/>
                         <CheckMenuItem fx:id="showTxHex" mnemonicParsing="false" text="Show Transaction Hex" onAction="#showTxHex"/>
                         <SeparatorMenuItem />
+                        <MenuItem fx:id="minimizeToTray" mnemonicParsing="false" text="Minimize to System Tray" accelerator="Shortcut+Y" onAction="#minimizeToTray"/>
                         <MenuItem fx:id="refreshWallet" mnemonicParsing="false" text="Refresh Wallet" accelerator="Shortcut+R" onAction="#refreshWallet"/>
                     </items>
                 </Menu>

src/main/resources/com/sparrowwallet/sparrow/general.css

@@ -171,4 +171,16 @@
 
 .alert .content.label {
     -fx-padding: 20px 20px 20px 20px;
+}
+
+.icon-button {
+    -fx-border-style: none;
+    -fx-border-width: 0;
+    -fx-border-insets: 0;
+    -fx-background-color: transparent;
+    -fx-opacity: 0.7;
+}
+
+.icon-button:hover {
+    -fx-opacity: 1.0;
 }

src/main/resources/com/sparrowwallet/sparrow/wallet/addresses.fxml

@@ -8,6 +8,8 @@
 
 <?import javafx.geometry.Insets?>
 <?import com.sparrowwallet.sparrow.control.AddressTreeTable?>
+<?import org.controlsfx.glyphfont.Glyph?>
+
 <GridPane hgap="10.0" vgap="10.0" stylesheets="@addresses.css, @wallet.css, @../general.css" styleClass="wallet-pane" xmlns="http://javafx.com/javafx/10.0.2-internal" xmlns:fx="http://javafx.com/fxml/1" fx:controller="com.sparrowwallet.sparrow.wallet.AddressesController">
     <padding>
         <Insets left="25.0" right="25.0" top="15.0" bottom="25.0" />
@@ -21,7 +23,17 @@
     </rowConstraints>
     <BorderPane GridPane.columnIndex="0" GridPane.rowIndex="0">
         <top>
-            <Label styleClass="addresses-treetable-label" text="Receiving Addresses"/>
+            <HBox alignment="CENTER_LEFT">
+                <Label styleClass="addresses-treetable-label" text="Receive Addresses"/>
+                <Button onAction="#exportReceiveAddresses" styleClass="icon-button">
+                    <graphic>
+                        <Glyph fontFamily="Font Awesome 5 Free Solid" icon="ARROW_CIRCLE_DOWN" fontSize="12" />
+                    </graphic>
+                    <tooltip>
+                        <Tooltip text="Export receive addresses as CSV" />
+                    </tooltip>
+                </Button>
+            </HBox>
         </top>
         <center>
             <AddressTreeTable fx:id="receiveTable" />
@@ -29,7 +41,17 @@
     </BorderPane>
     <BorderPane GridPane.columnIndex="0" GridPane.rowIndex="1">
         <top>
-            <Label styleClass="addresses-treetable-label" text="Change Addresses"/>
+            <HBox alignment="CENTER_LEFT">
+                <Label styleClass="addresses-treetable-label" text="Change Addresses"/>
+                <Button onAction="#exportChangeAddresses" styleClass="icon-button">
+                    <graphic>
+                        <Glyph fontFamily="Font Awesome 5 Free Solid" icon="ARROW_CIRCLE_DOWN" fontSize="12" />
+                    </graphic>
+                    <tooltip>
+                        <Tooltip text="Export change addresses as CSV" />
+                    </tooltip>
+                </Button>
+            </HBox>
         </top>
         <center>
             <AddressTreeTable fx:id="changeTable" />

src/main/resources/com/sparrowwallet/sparrow/wallet/send.fxml

@@ -83,10 +83,10 @@
                 </HBox>
                 <Form GridPane.columnIndex="0" GridPane.rowIndex="2">
                     <Fieldset inputGrow="SOMETIMES">
-                        <Field fx:id="targetBlocksField" text="Block target">
+                        <Field fx:id="targetBlocksField" text="Blocks:">
                             <Slider fx:id="targetBlocks" snapToTicks="true" showTickLabels="true" showTickMarks="true" />
                         </Field>
-                        <Field fx:id="feeRangeField" text="Rate Range:">
+                        <Field fx:id="feeRangeField" text="Range:">
                             <Slider fx:id="feeRange" snapToTicks="false" showTickLabels="true" showTickMarks="true" />
                         </Field>
                         <Field fx:id="feeRateField" text="Rate:">

src/main/resources/com/sparrowwallet/sparrow/wallet/transactions.css

@@ -23,15 +23,3 @@
 .chart-line-symbol.selected {
     -fx-background-color: rgba(30, 136, 207, 0.6);
 }
-
-#exportCsv {
-    -fx-border-style: none;
-    -fx-border-width: 0;
-    -fx-border-insets: 0;
-    -fx-background-color: transparent;
-    -fx-opacity: 0.7;
-}
-
-#exportCsv:hover {
-    -fx-opacity: 1.0;
-}

src/main/resources/com/sparrowwallet/sparrow/wallet/transactions.fxml

@@ -41,7 +41,7 @@
                         </Field>
                         <Field text="Transactions:">
                             <CopyableLabel fx:id="transactionCount" />
-                            <Button fx:id="exportCsv" maxHeight="25" onAction="#exportCSV" translateY="-1">
+                            <Button fx:id="exportCsv" maxHeight="25" onAction="#exportCSV" translateY="-1" styleClass="icon-button">
                                 <graphic>
                                     <Glyph fontFamily="Font Awesome 5 Free Solid" icon="ARROW_CIRCLE_DOWN" fontSize="12" />
                                 </graphic>