diff --git a/drongo b/drongo
index 08e8df08..075707f1 160000
--- a/drongo
+++ b/drongo
@@ -1 +1 @@
-Subproject commit 08e8df0807a01b2716ac80e9d6d9e2c113025848
+Subproject commit 075707f1ad36813889b2b1ed5f59e2854ddc7dc9
diff --git a/src/main/java/com/sparrowwallet/sparrow/event/WalletChangedEvent.java b/src/main/java/com/sparrowwallet/sparrow/event/WalletChangedEvent.java
new file mode 100644
index 00000000..5814aae6
--- /dev/null
+++ b/src/main/java/com/sparrowwallet/sparrow/event/WalletChangedEvent.java
@@ -0,0 +1,15 @@
+package com.sparrowwallet.sparrow.event;
+
+import com.sparrowwallet.drongo.wallet.Wallet;
+
+public class WalletChangedEvent {
+    private Wallet wallet;
+
+    public WalletChangedEvent(Wallet wallet) {
+        this.wallet = wallet;
+    }
+
+    public Wallet getWallet() {
+        return wallet;
+    }
+}
diff --git a/src/main/java/com/sparrowwallet/sparrow/wallet/KeystoreController.java b/src/main/java/com/sparrowwallet/sparrow/wallet/KeystoreController.java
new file mode 100644
index 00000000..238175c9
--- /dev/null
+++ b/src/main/java/com/sparrowwallet/sparrow/wallet/KeystoreController.java
@@ -0,0 +1,102 @@
+package com.sparrowwallet.sparrow.wallet;
+
+import com.sparrowwallet.drongo.ExtendedPublicKey;
+import com.sparrowwallet.drongo.KeyDerivation;
+import com.sparrowwallet.drongo.Utils;
+import com.sparrowwallet.drongo.wallet.Keystore;
+import javafx.application.Platform;
+import javafx.beans.value.ChangeListener;
+import javafx.beans.value.ObservableValue;
+import javafx.fxml.FXML;
+import javafx.fxml.Initializable;
+import javafx.scene.control.Control;
+import javafx.scene.control.TextArea;
+import javafx.scene.control.TextField;
+import org.controlsfx.validation.ValidationResult;
+import org.controlsfx.validation.ValidationSupport;
+import org.controlsfx.validation.Validator;
+import org.controlsfx.validation.decoration.StyleClassValidationDecoration;
+
+import java.net.URL;
+import java.util.ResourceBundle;
+import java.util.stream.Collectors;
+
+public class KeystoreController extends WalletFormController implements Initializable {
+    private Keystore keystore;
+
+    @FXML
+    private TextField label;
+
+    @FXML
+    private TextArea xpub;
+
+    @FXML
+    private TextField derivation;
+
+    @FXML
+    private TextField fingerprint;
+
+    private ValidationSupport validationSupport;
+
+    @Override
+    public void initialize(URL location, ResourceBundle resources) {
+
+    }
+
+    public void setKeystore(WalletForm walletForm, Keystore keystore) {
+        this.keystore = keystore;
+        setWalletForm(walletForm);
+    }
+
+    @Override
+    public void initializeView() {
+        Platform.runLater(this::setupValidation);
+
+        label.setText(keystore.getLabel());
+
+        if(keystore.getExtendedPublicKey() != null) {
+            xpub.setText(keystore.getExtendedPublicKey().toString());
+        }
+
+        if(keystore.getKeyDerivation() != null) {
+            derivation.setText(keystore.getKeyDerivation().getDerivationPath());
+            fingerprint.setText(keystore.getKeyDerivation().getMasterFingerprint());
+        }
+
+        label.textProperty().addListener((observable, oldValue, newValue) -> keystore.setLabel(newValue));
+        fingerprint.textProperty().addListener((observable, oldValue, newValue) -> keystore.setKeyDerivation(new KeyDerivation(newValue, keystore.getKeyDerivation().getDerivationPath())));
+        derivation.textProperty().addListener((observable, oldValue, newValue) -> keystore.setKeyDerivation(new KeyDerivation(keystore.getKeyDerivation().getMasterFingerprint(), newValue)));
+        xpub.textProperty().addListener((observable, oldValue, newValue) -> keystore.setExtendedPublicKey(ExtendedPublicKey.fromDescriptor(newValue, null)));
+    }
+
+    public TextField getLabel() {
+        return label;
+    }
+
+    private void setupValidation() {
+        validationSupport = new ValidationSupport();
+
+        validationSupport.registerValidator(label, Validator.combine(
+                Validator.createEmptyValidator("Label is required"),
+                (Control c, String newValue) -> ValidationResult.fromErrorIf( c, "Label is not unique", walletForm.getWallet().getKeystores().stream().filter(k -> k != keystore).map(Keystore::getLabel).collect(Collectors.toList()).contains(newValue)),
+                (Control c, String newValue) -> ValidationResult.fromErrorIf( c, "Label is too long", newValue.length() > 16)
+        ));
+
+        validationSupport.registerValidator(xpub, Validator.combine(
+                Validator.createEmptyValidator("xPub is required"),
+                (Control c, String newValue) -> ValidationResult.fromErrorIf( c, "xPub is invalid", !ExtendedPublicKey.isValid(newValue))
+        ));
+
+        validationSupport.registerValidator(derivation, Validator.combine(
+                Validator.createEmptyValidator("Derivation is required"),
+                (Control c, String newValue) -> ValidationResult.fromErrorIf( c, "Derivation is invalid", !KeyDerivation.isValid(newValue))
+        ));
+
+        validationSupport.registerValidator(fingerprint, Validator.combine(
+                Validator.createEmptyValidator("Master fingerprint is required"),
+                (Control c, String newValue) -> ValidationResult.fromErrorIf( c, "Master fingerprint is invalid", (newValue.length() != 8 || !Utils.isHex(newValue)))
+        ));
+
+        validationSupport.setValidationDecorator(new StyleClassValidationDecoration());
+    }
+}
diff --git a/src/main/java/com/sparrowwallet/sparrow/wallet/SettingsController.java b/src/main/java/com/sparrowwallet/sparrow/wallet/SettingsController.java
index fa145a54..a0f421b6 100644
--- a/src/main/java/com/sparrowwallet/sparrow/wallet/SettingsController.java
+++ b/src/main/java/com/sparrowwallet/sparrow/wallet/SettingsController.java
@@ -1,17 +1,30 @@
 package com.sparrowwallet.sparrow.wallet;
 
+import com.google.common.eventbus.Subscribe;
+import com.sparrowwallet.drongo.policy.Policy;
 import com.sparrowwallet.drongo.policy.PolicyType;
 import com.sparrowwallet.drongo.protocol.ScriptType;
+import com.sparrowwallet.drongo.wallet.Keystore;
+import com.sparrowwallet.drongo.wallet.Wallet;
+import com.sparrowwallet.sparrow.AppController;
 import com.sparrowwallet.sparrow.EventManager;
 import com.sparrowwallet.sparrow.control.CopyableLabel;
+import com.sparrowwallet.sparrow.event.WalletChangedEvent;
+import javafx.beans.property.SimpleIntegerProperty;
+import javafx.collections.FXCollections;
 import javafx.fxml.FXML;
+import javafx.fxml.FXMLLoader;
 import javafx.fxml.Initializable;
 import javafx.scene.control.*;
+import javafx.scene.layout.StackPane;
 import org.controlsfx.control.RangeSlider;
+import org.controlsfx.tools.Borders;
 import tornadofx.control.Fieldset;
 
+import java.io.IOException;
 import java.net.URL;
 import java.util.ResourceBundle;
+import java.util.stream.Collectors;
 
 public class SettingsController extends WalletFormController implements Initializable {
 
@@ -19,7 +32,7 @@ public class SettingsController extends WalletFormController implements Initiali
     private ComboBox<PolicyType> policyType;
 
     @FXML
-    private TextField policy;
+    private TextField spendingMiniscript;
 
     @FXML
     private ComboBox<ScriptType> scriptType;
@@ -37,9 +50,11 @@ public class SettingsController extends WalletFormController implements Initiali
     private CopyableLabel multisigHighLabel;
 
     @FXML
+    private StackPane keystoreTabsPane;
+
     private TabPane keystoreTabs;
 
-    @FXML ComboBox testType;
+    private final SimpleIntegerProperty totalKeystores = new SimpleIntegerProperty(0);
 
     @Override
     public void initialize(URL location, ResourceBundle resources) {
@@ -48,22 +63,113 @@ public class SettingsController extends WalletFormController implements Initiali
 
     @Override
     public void initializeView() {
+        Wallet wallet = walletForm.getWallet();
+
+        keystoreTabs = new TabPane();
+        keystoreTabsPane.getChildren().add(Borders.wrap(keystoreTabs).etchedBorder().outerPadding(10, 5, 0 ,0).innerPadding(0).raised().buildAll());
+
         policyType.getSelectionModel().selectedItemProperty().addListener((observable, oldValue, policyType) -> {
+            wallet.setPolicyType(policyType);
+            scriptType.setItems(FXCollections.observableArrayList(ScriptType.getScriptTypesForPolicyType(policyType)));
             scriptType.getSelectionModel().select(policyType.getDefaultScriptType());
             multisigFieldset.setVisible(policyType.equals(PolicyType.MULTI));
+            if(policyType.equals(PolicyType.MULTI)) {
+                totalKeystores.bind(multisigControl.highValueProperty());
+            } else {
+                totalKeystores.unbind();
+                totalKeystores.set(1);
+            }
+        });
+
+        scriptType.getSelectionModel().selectedItemProperty().addListener((observable, oldValue, scriptType) -> {
+            int threshold = wallet.getPolicyType().equals(PolicyType.MULTI) ? (int)multisigControl.lowValueProperty().get() : 1;
+            wallet.setDefaultPolicy(Policy.getPolicy(wallet.getPolicyType(), scriptType, wallet.getKeystores(), threshold));
+            EventManager.get().post(new WalletChangedEvent(wallet));
         });
 
         multisigLowLabel.textProperty().bind(multisigControl.lowValueProperty().asString("%.0f") );
         multisigHighLabel.textProperty().bind(multisigControl.highValueProperty().asString("%.0f"));
 
+        multisigControl.lowValueProperty().addListener((observable, oldValue, threshold) -> {
+            wallet.setDefaultPolicy(Policy.getPolicy(wallet.getPolicyType(), wallet.getScriptType(), wallet.getKeystores(), threshold.intValue()));
+            EventManager.get().post(new WalletChangedEvent(wallet));
+        });
+
         multisigFieldset.managedProperty().bind(multisigFieldset.visibleProperty());
 
-        if(walletForm.getWallet().getPolicyType() != null) {
+        totalKeystores.addListener((observable, oldValue, numCosigners) -> {
+            int keystoreCount = wallet.getKeystores().size();
+            int keystoreNameCount = keystoreCount;
+            while(keystoreCount < numCosigners.intValue()) {
+                keystoreCount++;
+                String name = "Keystore " + keystoreNameCount;
+                while(wallet.getKeystores().stream().map(Keystore::getLabel).collect(Collectors.toList()).contains(name)) {
+                    name = "Keystore " + (++keystoreNameCount);
+                }
+                wallet.getKeystores().add(new Keystore(name));
+            }
+            wallet.setKeystores(wallet.getKeystores().subList(0, numCosigners.intValue()));
+
+            for(int i = 0; i < wallet.getKeystores().size(); i++) {
+                Keystore keystore = wallet.getKeystores().get(i);
+                if(keystoreTabs.getTabs().size() == i) {
+                    Tab tab = getKeystoreTab(wallet, keystore);
+                    keystoreTabs.getTabs().add(tab);
+                }
+            }
+            while(keystoreTabs.getTabs().size() > wallet.getKeystores().size()) {
+                keystoreTabs.getTabs().remove(keystoreTabs.getTabs().size() - 1);
+            }
+
+            if(wallet.getPolicyType().equals(PolicyType.MULTI)) {
+                wallet.setDefaultPolicy(Policy.getPolicy(wallet.getPolicyType(), wallet.getScriptType(), wallet.getKeystores(), wallet.getDefaultPolicy().getNumSignaturesRequired()));
+                EventManager.get().post(new WalletChangedEvent(wallet));
+            }
+        });
+
+        if(wallet.getPolicyType() == null) {
+            wallet.setPolicyType(PolicyType.SINGLE);
+            wallet.setScriptType(ScriptType.P2WPKH);
+            wallet.getKeystores().add(new Keystore("Keystore 1"));
+            wallet.setDefaultPolicy(Policy.getPolicy(wallet.getPolicyType(), wallet.getScriptType(), wallet.getKeystores(), 1));
+        }
+
+        if(wallet.getPolicyType().equals(PolicyType.SINGLE)) {
+            totalKeystores.setValue(wallet.getKeystores().size());
+        } else if(wallet.getPolicyType().equals(PolicyType.MULTI)) {
+            multisigControl.highValueProperty().set(wallet.getKeystores().size());
+        }
+
+        if(wallet.getPolicyType() != null) {
             policyType.getSelectionModel().select(walletForm.getWallet().getPolicyType());
         } else {
             policyType.getSelectionModel().select(0);
         }
 
+        if(wallet.getScriptType() != null) {
+            scriptType.getSelectionModel().select(walletForm.getWallet().getScriptType());
+        }
+    }
 
+    private Tab getKeystoreTab(Wallet wallet, Keystore keystore) {
+        Tab tab = new Tab(keystore.getLabel());
+        tab.setClosable(false);
+
+        try {
+            FXMLLoader keystoreLoader = new FXMLLoader(AppController.class.getResource("wallet/keystore.fxml"));
+            tab.setContent(keystoreLoader.load());
+            KeystoreController controller = keystoreLoader.getController();
+            controller.setKeystore(getWalletForm(), keystore);
+            tab.textProperty().bind(controller.getLabel().textProperty());
+
+            return tab;
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    @Subscribe
+    public void updateMiniscript(WalletChangedEvent event) {
+        spendingMiniscript.setText(event.getWallet().getDefaultPolicy().getMiniscript().getScript());
     }
 }
diff --git a/src/main/java/com/sparrowwallet/sparrow/wallet/WalletController.java b/src/main/java/com/sparrowwallet/sparrow/wallet/WalletController.java
index 9dee0f27..0554a883 100644
--- a/src/main/java/com/sparrowwallet/sparrow/wallet/WalletController.java
+++ b/src/main/java/com/sparrowwallet/sparrow/wallet/WalletController.java
@@ -1,6 +1,5 @@
 package com.sparrowwallet.sparrow.wallet;
 
-import com.sparrowwallet.drongo.wallet.Wallet;
 import com.sparrowwallet.sparrow.AppController;
 import com.sparrowwallet.sparrow.EventManager;
 import javafx.fxml.FXML;
diff --git a/src/main/resources/com/sparrowwallet/sparrow/general.css b/src/main/resources/com/sparrowwallet/sparrow/general.css
index 18cc6de8..3e03cad5 100644
--- a/src/main/resources/com/sparrowwallet/sparrow/general.css
+++ b/src/main/resources/com/sparrowwallet/sparrow/general.css
@@ -34,4 +34,11 @@
     -fx-translate-x: -20px;
 }
 
+.error {
+    -fx-effect: dropshadow(three-pass-box, darkred, 7, 0, 0, 0);
+}
+
+.warning {
+    -fx-effect: dropshadow(three-pass-box, gold, 14, 0, 0, 0);
+}
 
diff --git a/src/main/resources/com/sparrowwallet/sparrow/wallet/keystore.css b/src/main/resources/com/sparrowwallet/sparrow/wallet/keystore.css
new file mode 100644
index 00000000..e268adc2
--- /dev/null
+++ b/src/main/resources/com/sparrowwallet/sparrow/wallet/keystore.css
@@ -0,0 +1,7 @@
+.form .fieldset:horizontal .label-container {
+    -fx-pref-width: 140px;
+}
+
+#fingerprint, #derivation, #xpub {
+    -fx-font-family: Courier;
+}
\ No newline at end of file
diff --git a/src/main/resources/com/sparrowwallet/sparrow/wallet/keystore.fxml b/src/main/resources/com/sparrowwallet/sparrow/wallet/keystore.fxml
new file mode 100644
index 00000000..b7f1fb7b
--- /dev/null
+++ b/src/main/resources/com/sparrowwallet/sparrow/wallet/keystore.fxml
@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import java.lang.*?>
+<?import java.util.*?>
+<?import javafx.scene.*?>
+<?import javafx.scene.control.*?>
+<?import javafx.scene.layout.*?>
+<?import tornadofx.control.Form?>
+<?import tornadofx.control.Fieldset?>
+<?import tornadofx.control.Field?>
+
+<?import javafx.geometry.Insets?>
+<StackPane stylesheets="@keystore.css, @settings.css, @../general.css" xmlns="http://javafx.com/javafx/10.0.2-internal" xmlns:fx="http://javafx.com/fxml/1" fx:controller="com.sparrowwallet.sparrow.wallet.KeystoreController">
+    <padding>
+        <Insets left="25.0" right="25.0" />
+    </padding>
+    <Form GridPane.columnIndex="0" GridPane.rowIndex="0">
+        <Fieldset inputGrow="SOMETIMES" text="">
+            <Field text="Name:">
+                <TextField fx:id="label" maxWidth="160"/>
+            </Field>
+            <Field text="Master fingerprint:">
+                <TextField fx:id="fingerprint" maxWidth="80"/>
+            </Field>
+            <Field text="Derivation:">
+                <TextField fx:id="derivation" maxWidth="200"/>
+            </Field>
+            <Field text="xPub:">
+                <TextArea fx:id="xpub" wrapText="true" prefRowCount="2" maxHeight="40" />
+            </Field>
+        </Fieldset>
+    </Form>
+</StackPane>
diff --git a/src/main/resources/com/sparrowwallet/sparrow/wallet/settings.css b/src/main/resources/com/sparrowwallet/sparrow/wallet/settings.css
index 50845478..082a98ec 100644
--- a/src/main/resources/com/sparrowwallet/sparrow/wallet/settings.css
+++ b/src/main/resources/com/sparrowwallet/sparrow/wallet/settings.css
@@ -9,3 +9,8 @@
 .form .fieldset:horizontal .input-container {
     -fx-alignment: center-left;
 }
+
+#spendingMiniscript {
+    -fx-font-family: Courier;
+}
+
diff --git a/src/main/resources/com/sparrowwallet/sparrow/wallet/settings.fxml b/src/main/resources/com/sparrowwallet/sparrow/wallet/settings.fxml
index dc254872..956061d8 100644
--- a/src/main/resources/com/sparrowwallet/sparrow/wallet/settings.fxml
+++ b/src/main/resources/com/sparrowwallet/sparrow/wallet/settings.fxml
@@ -35,7 +35,6 @@
                         </FXCollections>
                     </items>
                 </ComboBox>
-
             </Field>
             <Field text="Script Type:">
                 <ComboBox fx:id="scriptType">
@@ -58,7 +57,7 @@
     <Form GridPane.columnIndex="1" GridPane.rowIndex="0">
         <Fieldset inputGrow="SOMETIMES" text="" fx:id="multisigFieldset">
             <Field text="Cosigners:">
-                <RangeSlider fx:id="multisigControl" showTickMarks="true" showTickLabels="true" blockIncrement="1" min="2" max="10" lowValue="2" highValue="3" snapToTicks="true" majorTickUnit="1" minorTickCount="0" />
+                <RangeSlider fx:id="multisigControl" showTickMarks="true" showTickLabels="true" blockIncrement="1" min="2" max="9" lowValue="2" highValue="3" snapToTicks="true" majorTickUnit="1" minorTickCount="0" />
             </Field>
             <Field text="M of N:">
                 <CopyableLabel fx:id="multisigLowLabel" />
@@ -69,14 +68,16 @@
     </Form>
 
     <Form GridPane.columnIndex="0" GridPane.columnSpan="2" GridPane.rowIndex="1">
-        <Fieldset inputGrow="SOMETIMES" text="Default Policy">
-            <Field text="Policy:">
-                <TextField fx:id="policy" />
+        <Fieldset inputGrow="SOMETIMES" text="Spending Policy">
+            <Field text="Miniscript:">
+                <TextField fx:id="spendingMiniscript" editable="false" />
             </Field>
         </Fieldset>
     </Form>
 
-    <TabPane fx:id="keystoreTabs" GridPane.columnIndex="0" GridPane.columnSpan="2" GridPane.rowIndex="2">
-
-    </TabPane>
+    <Form GridPane.columnIndex="0" GridPane.columnSpan="2" GridPane.rowIndex="2">
+        <Fieldset inputGrow="SOMETIMES" text="Keystores">
+            <StackPane fx:id="keystoreTabsPane"  />
+        </Fieldset>
+    </Form>
 </GridPane>
diff --git a/src/main/resources/com/sparrowwallet/sparrow/wallet/wallet.css b/src/main/resources/com/sparrowwallet/sparrow/wallet/wallet.css
index fee37f1a..8ac6f650 100644
--- a/src/main/resources/com/sparrowwallet/sparrow/wallet/wallet.css
+++ b/src/main/resources/com/sparrowwallet/sparrow/wallet/wallet.css
@@ -18,4 +18,8 @@
 
 .list-item:selected {
     -fx-background-color: #1e88cf;
+}
+
+#walletPane {
+    -fx-background-color: -fx-background;
 }
\ No newline at end of file
diff --git a/src/main/resources/com/sparrowwallet/sparrow/wallet/wallet.fxml b/src/main/resources/com/sparrowwallet/sparrow/wallet/wallet.fxml
index 9b11691f..d678f205 100644
--- a/src/main/resources/com/sparrowwallet/sparrow/wallet/wallet.fxml
+++ b/src/main/resources/com/sparrowwallet/sparrow/wallet/wallet.fxml
@@ -48,7 +48,7 @@
             </ToggleButton>
             <ToggleButton VBox.vgrow="ALWAYS" text="Policies" contentDisplay="TOP" styleClass="list-item" maxHeight="Infinity" toggleGroup="$walletMenu">
                 <graphic>
-                    <Glyph fontFamily="FontAwesome" icon="FILE_TEXT_ALT" />
+                    <Glyph fontFamily="FontAwesome" icon="FILE_TEXT" />
                 </graphic>
                 <userData>
                     <Function fx:constant="POLICIES"/>