diff --git a/src/store/actions/WalletManagerActions.ts b/src/store/actions/WalletManagerActions.ts
index 0f764a4..884bec0 100644
--- a/src/store/actions/WalletManagerActions.ts
+++ b/src/store/actions/WalletManagerActions.ts
@@ -8,7 +8,7 @@
 
 export interface LoginPayload { password: string };
 export const login = createAction(constants.LOGIN, 
-  (password: string): LoginPayload => ({ password }))<LoginPayload>();
+  (password): LoginPayload => ({ password }))<LoginPayload>();
 
 export interface SetMasterPasswordPayload { 
   salt: string;
@@ -16,5 +16,5 @@
   password: string;
 };
 export const setMasterPassword = createAction(constants.SET_MASTER_PASSWORD, 
-  (salt: string, tester: string, password: string): SetMasterPasswordPayload => 
+  (salt, tester, password): SetMasterPasswordPayload => 
     ({ salt, tester, password }))<SetMasterPasswordPayload>();
diff --git a/src/store/actions/WalletsActions.ts b/src/store/actions/WalletsActions.ts
index 4bf14f7..e816ef4 100644
--- a/src/store/actions/WalletsActions.ts
+++ b/src/store/actions/WalletsActions.ts
@@ -4,7 +4,24 @@
 import * as constants from "../constants";
 
 import { WalletMap } from "@reducers/WalletsReducer";
+import { Wallet, WalletSyncable, WalletUpdatable } from "@/src/wallets/Wallet";
 
 export interface LoadWalletsPayload { wallets: WalletMap };
 export const loadWallets = createAction(constants.LOAD_WALLETS,
-  (wallets: WalletMap): LoadWalletsPayload => ({ wallets }))<LoadWalletsPayload>();
+  (wallets): LoadWalletsPayload => ({ wallets }))<LoadWalletsPayload>();
+
+export interface AddWalletPayload { wallet: Wallet };
+export const addWallet = createAction(constants.ADD_WALLET,
+  (wallet): AddWalletPayload => ({ wallet }))<AddWalletPayload>();
+
+export interface RemoveWalletPayload { id: string };
+export const removeWallet = createAction(constants.REMOVE_WALLET,
+  (id): RemoveWalletPayload => ({ id }))<RemoveWalletPayload>();
+
+export interface UpdateWalletPayload { id: string, wallet: WalletUpdatable };
+export const updateWallet = createAction(constants.UPDATE_WALLET,
+  (id, wallet): UpdateWalletPayload => ({ id, wallet }))<UpdateWalletPayload>();
+
+export interface SyncWalletPayload { id: string, wallet: WalletSyncable };
+export const syncWallet = createAction(constants.SYNC_WALLET,
+  (id, wallet): SyncWalletPayload => ({ id, wallet }))<SyncWalletPayload>();
diff --git a/src/store/constants.ts b/src/store/constants.ts
index 94331e2..5f07608 100644
--- a/src/store/constants.ts
+++ b/src/store/constants.ts
@@ -12,6 +12,5 @@
 export const LOAD_WALLETS = "LOAD_WALLETS";
 export const ADD_WALLET = "ADD_WALLET";
 export const REMOVE_WALLET = "REMOVE_WALLET";
-export const RENAME_WALLET = "RENAME_WALLET";
+export const UPDATE_WALLET = "UPDATE_WALLET";
 export const SYNC_WALLET = "SYNC_WALLET";
-export const UPDATE_WALLET_BALANCE = "UPDATE_WALLET_BALANCE"
diff --git a/src/store/reducers/WalletsReducer.ts b/src/store/reducers/WalletsReducer.ts
index 182b28f..73d6934 100644
--- a/src/store/reducers/WalletsReducer.ts
+++ b/src/store/reducers/WalletsReducer.ts
@@ -1,4 +1,4 @@
-import { loadWallets } from "@actions/WalletsActions";
+import { addWallet, loadWallets, removeWallet, syncWallet, updateWallet } from "@actions/WalletsActions";
 import { createReducer, ActionType } from "typesafe-actions";
 
 import { Wallet } from "../../wallets/Wallet";
@@ -12,10 +12,45 @@
   wallets: {}
 };
 
-export const WalletsReducer = createReducer(initialState)
-  .handleAction(loadWallets, (state: State, action: ActionType<typeof loadWallets>) => ({
+function assignNewWalletProperties(state: State, id: string, partialWallet: Partial<Wallet>) {
+  // Fetch the old wallet and assign the new properties
+  const { [id]: wallet } = state.wallets;
+  const newWallet = { ...wallet, ...partialWallet };
+  return { 
+    ...state,
     wallets: {
       ...state.wallets,
-      ...action.payload.wallets
+      [id]: newWallet
     }
-  }));
+  };
+}
+
+export const WalletsReducer = createReducer(initialState)
+  // Load wallets
+  .handleAction(loadWallets, (state: State, { payload }: ActionType<typeof loadWallets>) => ({
+    ...state,
+    wallets: {
+      ...state.wallets,
+      ...payload.wallets
+    }
+  }))
+  // Add wallet
+  .handleAction(addWallet, (state: State, { payload }: ActionType<typeof addWallet>) => ({
+    ...state,
+    wallets: {
+      ...state.wallets,
+      [payload.wallet.id]: payload.wallet
+    }
+  }))
+  // Remove wallet
+  .handleAction(removeWallet, (state: State, { payload }: ActionType<typeof removeWallet>) => {
+    // Get the wallets without the one we want to remove
+    const { [payload.id]: removed, ...wallets } = state.wallets;
+    return { ...state, wallets };
+  })
+  // Update wallet
+  .handleAction(updateWallet, (state: State, { payload }: ActionType<typeof updateWallet>) =>
+    assignNewWalletProperties(state, payload.id, payload.wallet))
+  // Sync wallet
+  .handleAction(syncWallet, (state: State, { payload }: ActionType<typeof syncWallet>) =>
+    assignNewWalletProperties(state, payload.id, payload.wallet));
diff --git a/src/wallets/Wallet.ts b/src/wallets/Wallet.ts
index 466c92a..533ab4b 100644
--- a/src/wallets/Wallet.ts
+++ b/src/wallets/Wallet.ts
@@ -30,6 +30,14 @@
   firstSeen?: DateString;
 }
 
+/** Properties of Wallet that are allowed to be updated. */
+export type WalletUpdatableKeys = "label" | "category" | "password" | "username" | "format" | "address";
+export type WalletUpdatable = Pick<Wallet, WalletUpdatableKeys>;
+
+/** Properties of Wallet that are allowed to be synced. */
+export type WalletSyncableKeys = "balance" | "names" | "firstSeen";
+export type WalletSyncable = Pick<Wallet, WalletSyncableKeys>;
+
 export async function decryptWallet(id: string, data: AESEncryptedString, masterPassword: string): Promise<Wallet> {
   try {
     // Attempt to decrypt and deserialize the wallet data
@@ -63,13 +71,6 @@
   return enc;
 }
 
-declare global {
-  interface Window {
-    encryptWallet: typeof encryptWallet
-  }
-}
-window.encryptWallet = encryptWallet;
-
 /** Get the local storage key for a given wallet. */
 export function getWalletKey(wallet: Wallet): string {
   return `wallet2-${wallet.id}`;
@@ -98,3 +99,11 @@
 
   dispatch(actions.loadWallets(walletMap));
 }
+
+// TODO: temporary exposure of methods for testing
+declare global {
+  interface Window {
+    encryptWallet: typeof encryptWallet
+  }
+}
+window.encryptWallet = encryptWallet;