diff --git a/apps/extension/src/background/approvals/service.test.ts b/apps/extension/src/background/approvals/service.test.ts
index 6bf84b5c7..a2e4f969d 100644
--- a/apps/extension/src/background/approvals/service.test.ts
+++ b/apps/extension/src/background/approvals/service.test.ts
@@ -3,6 +3,7 @@ import { chains } from "@namada/chains";
 import { WrapperTxMsgValue } from "@namada/types";
 import { ChainsService } from "background/chains";
 import { KeyRingService } from "background/keyring";
+import { PermissionsService } from "background/permissions";
 import { SdkService } from "background/sdk";
 import { VaultService } from "background/vault";
 import BigNumber from "bignumber.js";
@@ -49,6 +50,7 @@ describe("approvals service", () => {
   let sdkService: jest.Mocked<SdkService>;
   let keyRingService: jest.Mocked<KeyRingService>;
   let chainService: jest.Mocked<ChainsService>;
+  let permissionsService: jest.Mocked<PermissionsService>;
   let dataStore: KVStoreMock<string>;
   let txStore: KVStoreMock<PendingTx>;
   let localStorage: LocalStorage;
@@ -78,6 +80,7 @@ describe("approvals service", () => {
       keyRingService,
       vaultService,
       chainService,
+      permissionsService,
       broadcaster
     );
   });
@@ -530,7 +533,7 @@ describe("approvals service", () => {
   describe("getResolver", () => {
     it("should get the related tab id resolver from resolverMap", async () => {
       const popupTabId = 1;
-      const resolver = { resolve: () => { }, reject: () => { } };
+      const resolver = { resolve: () => {}, reject: () => {} };
       service["resolverMap"] = {
         [popupTabId]: resolver,
       };
@@ -541,7 +544,7 @@ describe("approvals service", () => {
     it("should throw an error if there is no resolver for the tab id", async () => {
       const popupTabId = 1;
       service["resolverMap"] = {
-        [popupTabId]: { resolve: () => { }, reject: () => { } },
+        [popupTabId]: { resolve: () => {}, reject: () => {} },
       };
 
       expect(() => service["getResolver"](999)).toThrow();
@@ -552,7 +555,7 @@ describe("approvals service", () => {
     it("should remove related tab id resolver from resolverMap", async () => {
       const popupTabId = 1;
       service["resolverMap"] = {
-        [popupTabId]: { resolve: () => { }, reject: () => { } },
+        [popupTabId]: { resolve: () => {}, reject: () => {} },
       };
       service["removeResolver"](popupTabId);
 
diff --git a/apps/extension/src/background/approvals/service.ts b/apps/extension/src/background/approvals/service.ts
index 3519b6b0f..50e63c7b6 100644
--- a/apps/extension/src/background/approvals/service.ts
+++ b/apps/extension/src/background/approvals/service.ts
@@ -10,6 +10,7 @@ import { ResponseSign } from "@zondax/ledger-namada";
 import { TopLevelRoute } from "Approvals/types";
 import { ChainsService } from "background/chains";
 import { KeyRingService } from "background/keyring";
+import { PermissionsService } from "background/permissions";
 import { SdkService } from "background/sdk";
 import { VaultService } from "background/vault";
 import { ExtensionBroadcaster } from "extension";
@@ -36,6 +37,7 @@ export class ApprovalsService {
     protected readonly keyRingService: KeyRingService,
     protected readonly vaultService: VaultService,
     protected readonly chainService: ChainsService,
+    protected readonly permissionsService: PermissionsService,
     protected readonly broadcaster: ExtensionBroadcaster
   ) {
     browser.tabs.onRemoved.addListener((tabId) => {
diff --git a/apps/extension/src/background/index.ts b/apps/extension/src/background/index.ts
index 33e23ff75..4d8e77d62 100644
--- a/apps/extension/src/background/index.ts
+++ b/apps/extension/src/background/index.ts
@@ -24,6 +24,7 @@ import { LocalStorage, VaultStorage } from "storage";
 import { ApprovalsService, init as initApprovals } from "./approvals";
 import { ChainsService, init as initChains } from "./chains";
 import { KeyRingService, UtilityStore, init as initKeyRing } from "./keyring";
+import { PermissionsService } from "./permissions";
 import { SdkService } from "./sdk/service";
 import { VaultService, init as initVault } from "./vault";
 
@@ -69,10 +70,12 @@ const init = new Promise<void>(async (resolve) => {
     localStorage,
     broadcaster
   );
+  const permissionsService = new PermissionsService(localStorage);
   const keyRingService = new KeyRingService(
     vaultService,
     sdkService,
     chainsService,
+    permissionsService,
     utilityStore,
     localStorage,
     vaultStorage,
@@ -87,6 +90,7 @@ const init = new Promise<void>(async (resolve) => {
     keyRingService,
     vaultService,
     chainsService,
+    permissionsService,
     broadcaster
   );
 
diff --git a/apps/extension/src/background/keyring/service.ts b/apps/extension/src/background/keyring/service.ts
index d009f6023..330ec9e91 100644
--- a/apps/extension/src/background/keyring/service.ts
+++ b/apps/extension/src/background/keyring/service.ts
@@ -10,6 +10,7 @@ import {
 import { Result, truncateInMiddle } from "@namada/utils";
 
 import { ChainsService } from "background/chains";
+import { PermissionsService } from "background/permissions";
 import { SdkService } from "background/sdk/service";
 import { VaultService } from "background/vault";
 import { ExtensionBroadcaster, ExtensionRequester } from "extension";
@@ -32,6 +33,7 @@ export class KeyRingService {
     protected readonly vaultService: VaultService,
     protected readonly sdkService: SdkService,
     protected readonly chainsService: ChainsService,
+    protected readonly permissionsService: PermissionsService,
     protected readonly utilityStore: KVStore<UtilityStore>,
     protected readonly localStorage: LocalStorage,
     protected readonly vaultStorage: VaultStorage,
diff --git a/apps/extension/src/background/permissions/index.ts b/apps/extension/src/background/permissions/index.ts
new file mode 100644
index 000000000..6261f8963
--- /dev/null
+++ b/apps/extension/src/background/permissions/index.ts
@@ -0,0 +1 @@
+export * from "./service";
diff --git a/apps/extension/src/background/permissions/service.ts b/apps/extension/src/background/permissions/service.ts
new file mode 100644
index 000000000..994f752e9
--- /dev/null
+++ b/apps/extension/src/background/permissions/service.ts
@@ -0,0 +1,59 @@
+import { AllowedPermissions, LocalStorage, PermissionKind } from "storage";
+
+export class PermissionsService {
+  constructor(protected readonly localStorage: LocalStorage) {}
+
+  async enablePermissions(
+    domain: string,
+    chainId: string,
+    allowed: AllowedPermissions
+  ): Promise<void> {
+    const existingPermissions = await this.localStorage.getPermissions();
+    const newPermissions = [...new Set<PermissionKind>(allowed)];
+
+    if (existingPermissions) {
+      existingPermissions[domain] = existingPermissions[domain] || {};
+      existingPermissions[domain][chainId] = newPermissions;
+      return await this.localStorage.setPermissions(existingPermissions);
+    }
+
+    return await this.localStorage.setPermissions({
+      [domain]: {
+        [chainId]: newPermissions,
+      },
+    });
+  }
+
+  async revokeChainPermissions(domain: string, chainId: string): Promise<void> {
+    const updatedPermissions = await this.localStorage.getPermissions();
+    if (
+      !updatedPermissions ||
+      !updatedPermissions[domain] ||
+      !updatedPermissions[domain][chainId]
+    ) {
+      return;
+    }
+    delete updatedPermissions[domain][chainId];
+    await this.localStorage.setPermissions(updatedPermissions);
+  }
+
+  async permissionsByDomain(
+    domain: string
+  ): Promise<Record<string, AllowedPermissions> | undefined> {
+    const permissions = await this.localStorage.getPermissions();
+
+    if (permissions && permissions[domain]) {
+      return permissions[domain];
+    }
+  }
+
+  async permissionsByChain(
+    domain: string,
+    chainId: string
+  ): Promise<AllowedPermissions | undefined> {
+    const permissions = await this.localStorage.getPermissions();
+    if (permissions && permissions[domain] && permissions[domain][chainId]) {
+      return permissions[domain][chainId];
+    }
+  }
+}
diff --git a/apps/extension/src/router/types/enums.ts b/apps/extension/src/router/types/enums.ts
index 59f459873..71f1401e5 100644
--- a/apps/extension/src/router/types/enums.ts
+++ b/apps/extension/src/router/types/enums.ts
@@ -23,6 +23,7 @@ export enum KVPrefix {
   RevealedPK = "Namada::RevealedPK",
   SessionStorage = "Namada::SessionStorage",
   WasmHashesStorage = "Namada::WasmHashesStorage",
+  Permissions = "Namada::Permissions",
 }
 
 export enum KVKeys {
diff --git a/apps/extension/src/storage/LocalStorage.ts b/apps/extension/src/storage/LocalStorage.ts
index 6227574a3..a98fa751f 100644
--- a/apps/extension/src/storage/LocalStorage.ts
+++ b/apps/extension/src/storage/LocalStorage.ts
@@ -53,11 +53,42 @@ const Chain = t.intersection([
 ]);
 type ChainType = t.TypeOf<typeof Chain>;
 
+// TODO: Remove the folllowing once NamadaKeychainPermissions is working!
 const NamadaExtensionApprovedOrigins = t.array(t.string);
 type NamadaExtensionApprovedOriginsType = t.TypeOf<
   typeof NamadaExtensionApprovedOrigins
 >;
 
+export type PermissionKind = "accounts" | "signing" | "proofGenKeys";
+
+export const KeychainPermissions: Record<
+  PermissionKind,
+  { description: string }
+> = {
+  accounts: {
+    description: "Allow approved clients to read account public data",
+  },
+  signing: { description: "Allow approved clients to sign transactions" },
+  proofGenKeys: {
+    description:
+      "Allow approved clients to request proof generation keys for shielded accounts",
+  },
+};
+export type AllowedPermissions = (keyof typeof KeychainPermissions)[];
+
+// Define keychain permissions schema
+const PermissionDomain = t.string;
+const PermissionChainId = t.string;
+const NamadaKeychainPermissions = t.record(
+  PermissionDomain,
+  t.record(PermissionChainId, t.array(t.keyof(KeychainPermissions)))
+);
+
+// Export keychain permissions type
+export type NamadaKeychainPermissionsType = t.TypeOf<
+  typeof NamadaKeychainPermissions
+>;
+
 const NamadaExtensionRouterId = t.number;
 type NamadaExtensionRouterIdType = t.TypeOf<typeof NamadaExtensionRouterId>;
 
@@ -69,18 +100,21 @@ type LocalStorageTypes =
 type LocalStorageSchemas =
   | typeof Chain
   | typeof NamadaExtensionApprovedOrigins
-  | typeof NamadaExtensionRouterId;
+  | typeof NamadaExtensionRouterId
+  | typeof NamadaKeychainPermissions;
 
 export type LocalStorageKeys =
   | "chains"
   | "namadaExtensionApprovedOrigins"
   | "namadaExtensionRouterId"
+  | "namadaKeychainPermissions"
   | "tabs";
 
 const schemasMap = new Map<LocalStorageSchemas, LocalStorageKeys>([
   [Chain, "chains"],
   [NamadaExtensionApprovedOrigins, "namadaExtensionApprovedOrigins"],
   [NamadaExtensionRouterId, "namadaExtensionRouterId"],
+  [NamadaKeychainPermissions, "namadaKeychainPermissions"],
 ]);
 
 export class LocalStorage extends ExtStorage {
@@ -155,6 +189,34 @@ export class LocalStorage extends ExtStorage {
     await this.setRaw(this.getKey(NamadaExtensionApprovedOrigins), origins);
   }
 
+  async getPermissions(): Promise<NamadaKeychainPermissionsType | undefined> {
+    const data = await this.getRaw(this.getKey(NamadaKeychainPermissions));
+    const Schema = t.union([NamadaKeychainPermissions, t.undefined]);
+    const decodedData = Schema.decode(data);
+
+    if (E.isLeft(decodedData)) {
+      throw new Error("");
+    }
+    return decodedData.right;
+  }
+
+  async setPermissions(
+    permissions: NamadaKeychainPermissionsType
+  ): Promise<void> {
+    // Validate permissions against schema
+    const Schema = t.union([NamadaKeychainPermissions, t.undefined]);
+    const decodedData = Schema.decode(permissions);
+
+    if (E.isLeft(decodedData)) {
+      throw new Error("Invalid permissions data!");
+    }
+
+    await this.setRaw(
+      this.getKey(NamadaKeychainPermissions),
+      decodedData.right
+    );
+  }
+
   private getKey<S extends LocalStorageSchemas>(schema: S): LocalStorageKeys {
     const key = schemasMap.get(schema);
     if (!key) {
diff --git a/apps/extension/src/test/init.ts b/apps/extension/src/test/init.ts
index c54192b86..1f1983e28 100644
--- a/apps/extension/src/test/init.ts
+++ b/apps/extension/src/test/init.ts
@@ -23,6 +23,7 @@ import {
 } from "../background/approvals";
 
 import { ChainsService } from "background/chains";
+import { PermissionsService } from "background/permissions";
 import { SdkService } from "background/sdk";
 import { Namada } from "provider";
 import { LocalStorage, VaultStorage } from "storage";
@@ -82,6 +83,7 @@ export const init = async (): Promise<{
   );
 
   const sdkService = await SdkService.init(localStorage);
+  const permissionsService = new PermissionsService(localStorage);
 
   const vaultService = new VaultService(vaultStorage, sessionStore, sdkService);
   await vaultService.initialize();
@@ -96,6 +98,7 @@ export const init = async (): Promise<{
     vaultService,
     sdkService,
     chainsService,
+    permissionsService,
     utilityStore,
     localStorage,
     vaultStorage,
@@ -111,6 +114,7 @@ export const init = async (): Promise<{
     keyRingService,
     vaultService,
     chainsService,
+    permissionsService,
     broadcaster
   );
 
diff --git a/apps/namadillo/src/App/Common/ConnectExtensionButton.tsx b/apps/namadillo/src/App/Common/ConnectExtensionButton.tsx
index c6a5e50aa..5a714460f 100644
--- a/apps/namadillo/src/App/Common/ConnectExtensionButton.tsx
+++ b/apps/namadillo/src/App/Common/ConnectExtensionButton.tsx
@@ -1,10 +1,13 @@
 import { ActionButton } from "@namada/components";
+import { chainParametersAtom } from "atoms/chain";
 import { namadaExtensionAttachStatus } from "atoms/settings";
 import { useExtensionConnect } from "hooks/useExtensionConnect";
 import { useAtomValue } from "jotai";
 
 export const ConnectExtensionButton = (): JSX.Element => {
   const extensionAttachStatus = useAtomValue(namadaExtensionAttachStatus);
+  const { data: chain } = useAtomValue(chainParametersAtom);
+  const chainId = chain?.chainId;
   const { connect, isConnected } = useExtensionConnect();
 
   // TODO create an action button when the extension is connected
@@ -13,7 +16,11 @@ export const ConnectExtensionButton = (): JSX.Element => {
   return (
     <>
       {extensionAttachStatus === "attached" && !isConnected && (
-        <ActionButton backgroundColor="yellow" size="sm" onClick={connect}>
+        <ActionButton
+          backgroundColor="yellow"
+          size="sm"
+          onClick={() => (chainId ? connect(chainId) : undefined)}
+        >
           Connect Keychain
         </ActionButton>
       )}
diff --git a/packages/integrations/src/Namada.ts b/packages/integrations/src/Namada.ts
index 2d57ca490..7bf00a4e0 100644
--- a/packages/integrations/src/Namada.ts
+++ b/packages/integrations/src/Namada.ts
@@ -28,15 +28,24 @@ export default class Namada implements Integration<Account, Signer> {
     return !!this._namada;
   }
 
-  public async connect(chainId: string): Promise<void> {
+  public async connect(chainId?: string): Promise<void> {
+    if (!chainId) {
+      throw new Error("The Namada Keychain integration requires a chainId!");
+    }
     await this._namada?.connect(chainId);
   }
 
-  public async disconnect(chainId: string): Promise<void> {
+  public async disconnect(chainId?: string): Promise<void> {
+    if (!chainId) {
+      throw new Error("The Namada Keychain integration requires a chainId!");
+    }
     await this._namada?.disconnect(chainId);
   }
 
-  public async isConnected(chainId: string): Promise<boolean | undefined> {
+  public async isConnected(chainId?: string): Promise<boolean | undefined> {
+    if (!chainId) {
+      throw new Error("The Namada Keychain integration requires a chainId!");
+    }
     return await this._namada?.isConnected(chainId);
   }