diff --git a/lib/types/identity-service-types.js b/lib/types/identity-service-types.js
index 667b634ad..cce89d464 100644
--- a/lib/types/identity-service-types.js
+++ b/lib/types/identity-service-types.js
@@ -1,242 +1,240 @@
 // @flow
 
 import t, { type TInterface, type TList } from 'tcomb';
 
 import {
   identityKeysBlobValidator,
   type IdentityKeysBlob,
   signedPrekeysValidator,
   type SignedPrekeys,
   type OneTimeKeysResultValues,
 } from './crypto-types.js';
 import {
   type OlmSessionInitializationInfo,
   olmSessionInitializationInfoValidator,
 } from './request-types.js';
 import { tShape } from '../utils/validation-utils.js';
 
 export type UserAuthMetadata = {
   +userID: string,
   +accessToken: string,
 };
 
 // This type should not be altered without also updating
 // OutboundKeyInfoResponse in native/native_rust_library/src/lib.rs
 export type OutboundKeyInfoResponse = {
   +payload: string,
   +payloadSignature: string,
   +socialProof: ?string,
   +contentPrekey: string,
   +contentPrekeySignature: string,
   +notifPrekey: string,
   +notifPrekeySignature: string,
   +oneTimeContentPrekey: ?string,
   +oneTimeNotifPrekey: ?string,
 };
 
 // This type should not be altered without also updating
 // InboundKeyInfoResponse in native/native_rust_library/src/lib.rs
 export type InboundKeyInfoResponse = {
   +payload: string,
   +payloadSignature: string,
   +socialProof?: ?string,
   +contentPrekey: string,
   +contentPrekeySignature: string,
   +notifPrekey: string,
   +notifPrekeySignature: string,
   +username?: ?string,
   +walletAddress?: ?string,
 };
 
 export type DeviceOlmOutboundKeys = {
   +identityKeysBlob: IdentityKeysBlob,
   +contentInitializationInfo: OlmSessionInitializationInfo,
   +notifInitializationInfo: OlmSessionInitializationInfo,
   +payloadSignature: string,
   +socialProof: ?string,
 };
 export const deviceOlmOutboundKeysValidator: TInterface<DeviceOlmOutboundKeys> =
   tShape<DeviceOlmOutboundKeys>({
     identityKeysBlob: identityKeysBlobValidator,
     contentInitializationInfo: olmSessionInitializationInfoValidator,
     notifInitializationInfo: olmSessionInitializationInfoValidator,
     payloadSignature: t.String,
     socialProof: t.maybe(t.String),
   });
 
 export type UserDevicesOlmOutboundKeys = {
   +deviceID: string,
   +keys: ?DeviceOlmOutboundKeys,
 };
 
 export type DeviceOlmInboundKeys = {
   +identityKeysBlob: IdentityKeysBlob,
   +signedPrekeys: SignedPrekeys,
   +payloadSignature: string,
 };
 export const deviceOlmInboundKeysValidator: TInterface<DeviceOlmInboundKeys> =
   tShape<DeviceOlmInboundKeys>({
     identityKeysBlob: identityKeysBlobValidator,
     signedPrekeys: signedPrekeysValidator,
     payloadSignature: t.String,
   });
 
 export type UserDevicesOlmInboundKeys = {
   +keys: {
     +[deviceID: string]: ?DeviceOlmInboundKeys,
   },
   +username?: ?string,
   +walletAddress?: ?string,
 };
 
-type FarcasterUser = {
+export type FarcasterUser = {
   +userID: string,
   +username: string,
   +farcasterID: string,
 };
 
 export const farcasterUserValidator: TInterface<FarcasterUser> =
   tShape<FarcasterUser>({
     userID: t.String,
     username: t.String,
     farcasterID: t.String,
   });
 
 export const farcasterUsersValidator: TList<Array<FarcasterUser>> = t.list(
   farcasterUserValidator,
 );
 
 export const userDeviceOlmInboundKeysValidator: TInterface<UserDevicesOlmInboundKeys> =
   tShape<UserDevicesOlmInboundKeys>({
     keys: t.dict(t.String, t.maybe(deviceOlmInboundKeysValidator)),
     username: t.maybe(t.String),
     walletAddress: t.maybe(t.String),
   });
 
 export interface IdentityServiceClient {
   +deleteUser: () => Promise<void>;
   +logOut: () => Promise<void>;
   +getKeyserverKeys: string => Promise<DeviceOlmOutboundKeys>;
   +registerPasswordUser?: (
     username: string,
     password: string,
   ) => Promise<IdentityAuthResult>;
   +logInPasswordUser: (
     username: string,
     password: string,
   ) => Promise<IdentityAuthResult>;
   +getOutboundKeysForUser: (
     userID: string,
   ) => Promise<UserDevicesOlmOutboundKeys[]>;
   +getInboundKeysForUser: (
     userID: string,
   ) => Promise<UserDevicesOlmInboundKeys>;
   +uploadOneTimeKeys: (oneTimeKeys: OneTimeKeysResultValues) => Promise<void>;
   +generateNonce: () => Promise<string>;
   +registerWalletUser?: (
     walletAddress: string,
     siweMessage: string,
     siweSignature: string,
   ) => Promise<IdentityAuthResult>;
   +logInWalletUser: (
     walletAddress: string,
     siweMessage: string,
     siweSignature: string,
   ) => Promise<IdentityAuthResult>;
   // on native, publishing prekeys to Identity is called directly from C++,
   // there is no need to expose it to JS
   +publishWebPrekeys?: (prekeys: SignedPrekeys) => Promise<void>;
   +getDeviceListHistoryForUser: (
     userID: string,
     sinceTimestamp?: number,
   ) => Promise<$ReadOnlyArray<SignedDeviceList>>;
   // updating device list is possible only on Native
   // web cannot be a primary device, so there's no need to expose it to JS
   +updateDeviceList?: (newDeviceList: SignedDeviceList) => Promise<void>;
   +uploadKeysForRegisteredDeviceAndLogIn: (
     userID: string,
     nonceChallengeResponse: SignedMessage,
   ) => Promise<IdentityAuthResult>;
-  // getFarcasterUsers is only implemented on native at the moment
-  +getFarcasterUsers?: (
+  +getFarcasterUsers: (
     farcasterIDs: $ReadOnlyArray<string>,
   ) => Promise<$ReadOnlyArray<FarcasterUser>>;
-  // linkFarcasterAccount is only implemented on native at the moment
-  +linkFarcasterAccount?: (farcasterID: string) => Promise<void>;
+  +linkFarcasterAccount: (farcasterID: string) => Promise<void>;
 }
 
 export type IdentityServiceAuthLayer = {
   +userID: string,
   +deviceID: string,
   +commServicesAccessToken: string,
 };
 
 export type IdentityAuthResult = {
   +userID: string,
   +accessToken: string,
   +username: string,
 };
 export const identityAuthResultValidator: TInterface<IdentityAuthResult> =
   tShape<IdentityAuthResult>({
     userID: t.String,
     accessToken: t.String,
     username: t.String,
   });
 
 export type IdentityNewDeviceKeyUpload = {
   +keyPayload: string,
   +keyPayloadSignature: string,
   +contentPrekey: string,
   +contentPrekeySignature: string,
   +notifPrekey: string,
   +notifPrekeySignature: string,
   +contentOneTimeKeys: $ReadOnlyArray<string>,
   +notifOneTimeKeys: $ReadOnlyArray<string>,
 };
 
 export type IdentityExistingDeviceKeyUpload = {
   +keyPayload: string,
   +keyPayloadSignature: string,
   +contentPrekey: string,
   +contentPrekeySignature: string,
   +notifPrekey: string,
   +notifPrekeySignature: string,
 };
 
 // Device list types
 
 export type RawDeviceList = {
   +devices: $ReadOnlyArray<string>,
   +timestamp: number,
 };
 
 export type SignedDeviceList = {
   // JSON-stringified RawDeviceList
   +rawDeviceList: string,
 };
 export const signedDeviceListValidator: TInterface<SignedDeviceList> =
   tShape<SignedDeviceList>({
     rawDeviceList: t.String,
   });
 export const signedDeviceListHistoryValidator: TList<Array<SignedDeviceList>> =
   t.list(signedDeviceListValidator);
 
 export type NonceChallenge = {
   +nonce: string,
 };
 
 export type SignedMessage = {
   +message: string,
   +signature: string,
 };
 
 export const ONE_TIME_KEYS_NUMBER = 10;
 
 export const identityDeviceTypes = Object.freeze({
   KEYSERVER: 0,
   WEB: 1,
   IOS: 2,
   ANDROID: 3,
   WINDOWS: 4,
   MAC_OS: 5,
 });
diff --git a/web/grpc/identity-service-client-wrapper.js b/web/grpc/identity-service-client-wrapper.js
index ef30f57b7..a49f7545f 100644
--- a/web/grpc/identity-service-client-wrapper.js
+++ b/web/grpc/identity-service-client-wrapper.js
@@ -1,634 +1,681 @@
 // @flow
 
 import { Login } from '@commapp/opaque-ke-wasm';
 
 import identityServiceConfig from 'lib/facts/identity-service.js';
 import type {
   OneTimeKeysResultValues,
   SignedPrekeys,
 } from 'lib/types/crypto-types.js';
 import type { PlatformDetails } from 'lib/types/device-types.js';
 import {
   type SignedDeviceList,
   signedDeviceListHistoryValidator,
   type SignedMessage,
   type IdentityServiceAuthLayer,
   type IdentityServiceClient,
   type DeviceOlmOutboundKeys,
   deviceOlmOutboundKeysValidator,
   type UserDevicesOlmOutboundKeys,
   type IdentityAuthResult,
   type IdentityNewDeviceKeyUpload,
   type IdentityExistingDeviceKeyUpload,
   identityDeviceTypes,
   identityAuthResultValidator,
   type UserDevicesOlmInboundKeys,
   type DeviceOlmInboundKeys,
   deviceOlmInboundKeysValidator,
   userDeviceOlmInboundKeysValidator,
+  type FarcasterUser,
 } from 'lib/types/identity-service-types.js';
+import { farcasterUsersValidator } from 'lib/types/identity-service-types.js';
 import { getMessageForException } from 'lib/utils/errors.js';
 import { assertWithValidator } from 'lib/utils/validation-utils.js';
 
 import { VersionInterceptor, AuthInterceptor } from './interceptor.js';
 import * as IdentityAuthClient from '../protobufs/identity-auth-client.cjs';
 import * as IdentityAuthStructs from '../protobufs/identity-auth-structs.cjs';
 import {
   DeviceKeyUpload,
   Empty,
   IdentityKeyInfo,
   OpaqueLoginFinishRequest,
   OpaqueLoginStartRequest,
   Prekey,
   WalletAuthRequest,
   SecondaryDeviceKeysUploadRequest,
+  GetFarcasterUsersRequest,
 } from '../protobufs/identity-unauth-structs.cjs';
 import * as IdentityUnauthClient from '../protobufs/identity-unauth.cjs';
 import { initOpaque } from '../shared-worker/utils/opaque-utils.js';
 
 class IdentityServiceClientWrapper implements IdentityServiceClient {
   overridedOpaqueFilepath: string;
   authClient: ?IdentityAuthClient.IdentityClientServicePromiseClient;
   unauthClient: IdentityUnauthClient.IdentityClientServicePromiseClient;
   getNewDeviceKeyUpload: () => Promise<IdentityNewDeviceKeyUpload>;
   getExistingDeviceKeyUpload: () => Promise<IdentityExistingDeviceKeyUpload>;
 
   constructor(
     platformDetails: PlatformDetails,
     overridedOpaqueFilepath: string,
     authLayer: ?IdentityServiceAuthLayer,
     getNewDeviceKeyUpload: () => Promise<IdentityNewDeviceKeyUpload>,
     getExistingDeviceKeyUpload: () => Promise<IdentityExistingDeviceKeyUpload>,
   ) {
     this.overridedOpaqueFilepath = overridedOpaqueFilepath;
     if (authLayer) {
       this.authClient = IdentityServiceClientWrapper.createAuthClient(
         platformDetails,
         authLayer,
       );
     }
     this.unauthClient =
       IdentityServiceClientWrapper.createUnauthClient(platformDetails);
     this.getNewDeviceKeyUpload = getNewDeviceKeyUpload;
     this.getExistingDeviceKeyUpload = getExistingDeviceKeyUpload;
   }
 
   static determineSocketAddr(): string {
     return process.env.IDENTITY_SOCKET_ADDR ?? identityServiceConfig.defaultURL;
   }
 
   static createAuthClient(
     platformDetails: PlatformDetails,
     authLayer: IdentityServiceAuthLayer,
   ): IdentityAuthClient.IdentityClientServicePromiseClient {
     const { userID, deviceID, commServicesAccessToken } = authLayer;
 
     const identitySocketAddr =
       IdentityServiceClientWrapper.determineSocketAddr();
 
     const versionInterceptor = new VersionInterceptor<Request, Response>(
       platformDetails,
     );
     const authInterceptor = new AuthInterceptor<Request, Response>(
       userID,
       deviceID,
       commServicesAccessToken,
     );
 
     const authClientOpts = {
       unaryInterceptors: [versionInterceptor, authInterceptor],
     };
 
     return new IdentityAuthClient.IdentityClientServicePromiseClient(
       identitySocketAddr,
       null,
       authClientOpts,
     );
   }
 
   static createUnauthClient(
     platformDetails: PlatformDetails,
   ): IdentityUnauthClient.IdentityClientServicePromiseClient {
     const identitySocketAddr =
       IdentityServiceClientWrapper.determineSocketAddr();
 
     const versionInterceptor = new VersionInterceptor<Request, Response>(
       platformDetails,
     );
 
     const unauthClientOpts = {
       unaryInterceptors: [versionInterceptor],
     };
 
     return new IdentityUnauthClient.IdentityClientServicePromiseClient(
       identitySocketAddr,
       null,
       unauthClientOpts,
     );
   }
 
   deleteUser: () => Promise<void> = async () => {
     if (!this.authClient) {
       throw new Error('Identity service client is not initialized');
     }
     await this.authClient.deleteUser(new Empty());
   };
 
   logOut: () => Promise<void> = async () => {
     if (!this.authClient) {
       throw new Error('Identity service client is not initialized');
     }
     await this.authClient.logOutUser(new Empty());
   };
 
   getKeyserverKeys: (keyserverID: string) => Promise<DeviceOlmOutboundKeys> =
     async (keyserverID: string) => {
       const client = this.authClient;
       if (!client) {
         throw new Error('Identity service client is not initialized');
       }
 
       const request = new IdentityAuthStructs.OutboundKeysForUserRequest();
       request.setUserId(keyserverID);
       const response = await client.getKeyserverKeys(request);
 
       const keyserverInfo = response.getKeyserverInfo();
       const identityInfo = keyserverInfo?.getIdentityInfo();
       const contentPreKey = keyserverInfo?.getContentPrekey();
       const notifPreKey = keyserverInfo?.getNotifPrekey();
       const payload = identityInfo?.getPayload();
 
       const keyserverKeys = {
         identityKeysBlob: payload ? JSON.parse(payload) : null,
         contentInitializationInfo: {
           prekey: contentPreKey?.getPrekey(),
           prekeySignature: contentPreKey?.getPrekeySignature(),
           oneTimeKey: keyserverInfo?.getOneTimeContentPrekey(),
         },
         notifInitializationInfo: {
           prekey: notifPreKey?.getPrekey(),
           prekeySignature: notifPreKey?.getPrekeySignature(),
           oneTimeKey: keyserverInfo?.getOneTimeNotifPrekey(),
         },
         payloadSignature: identityInfo?.getPayloadSignature(),
         socialProof: identityInfo?.getSocialProof(),
       };
 
       if (!keyserverKeys.contentInitializationInfo.oneTimeKey) {
         throw new Error('Missing content one time key');
       }
       if (!keyserverKeys.notifInitializationInfo.oneTimeKey) {
         throw new Error('Missing notif one time key');
       }
 
       return assertWithValidator(keyserverKeys, deviceOlmOutboundKeysValidator);
     };
 
   getOutboundKeysForUser: (
     userID: string,
   ) => Promise<UserDevicesOlmOutboundKeys[]> = async (userID: string) => {
     const client = this.authClient;
     if (!client) {
       throw new Error('Identity service client is not initialized');
     }
 
     const request = new IdentityAuthStructs.OutboundKeysForUserRequest();
     request.setUserId(userID);
     const response = await client.getOutboundKeysForUser(request);
     const devicesMap = response.toObject()?.devicesMap;
 
     if (!devicesMap || !Array.isArray(devicesMap)) {
       throw new Error('Invalid devicesMap');
     }
 
     const devicesKeys: (?UserDevicesOlmOutboundKeys)[] = devicesMap.map(
       ([deviceID, outboundKeysInfo]) => {
         const identityInfo = outboundKeysInfo?.identityInfo;
         const payload = identityInfo?.payload;
         const contentPreKey = outboundKeysInfo?.contentPrekey;
         const notifPreKey = outboundKeysInfo?.notifPrekey;
 
         if (typeof deviceID !== 'string') {
           console.log(`Invalid deviceID in devicesMap: ${deviceID}`);
           return null;
         }
 
         if (
           !outboundKeysInfo.oneTimeContentPrekey ||
           !outboundKeysInfo.oneTimeNotifPrekey
         ) {
           console.log(`Missing one time key for device ${deviceID}`);
           return {
             deviceID,
             keys: null,
           };
         }
 
         const deviceKeys = {
           identityKeysBlob: payload ? JSON.parse(payload) : null,
           contentInitializationInfo: {
             prekey: contentPreKey?.prekey,
             prekeySignature: contentPreKey?.prekeySignature,
             oneTimeKey: outboundKeysInfo.oneTimeContentPrekey,
           },
           notifInitializationInfo: {
             prekey: notifPreKey?.prekey,
             prekeySignature: notifPreKey?.prekeySignature,
             oneTimeKey: outboundKeysInfo.oneTimeNotifPrekey,
           },
           payloadSignature: identityInfo?.payloadSignature,
           socialProof: identityInfo?.socialProof,
         };
 
         try {
           const validatedKeys = assertWithValidator(
             deviceKeys,
             deviceOlmOutboundKeysValidator,
           );
           return {
             deviceID,
             keys: validatedKeys,
           };
         } catch (e) {
           console.log(e);
           return {
             deviceID,
             keys: null,
           };
         }
       },
     );
 
     return devicesKeys.filter(Boolean);
   };
 
   getInboundKeysForUser: (
     userID: string,
   ) => Promise<UserDevicesOlmInboundKeys> = async (userID: string) => {
     const client = this.authClient;
     if (!client) {
       throw new Error('Identity service client is not initialized');
     }
 
     const request = new IdentityAuthStructs.InboundKeysForUserRequest();
     request.setUserId(userID);
     const response = await client.getInboundKeysForUser(request);
     const devicesMap = response.toObject()?.devicesMap;
 
     if (!devicesMap || !Array.isArray(devicesMap)) {
       throw new Error('Invalid devicesMap');
     }
 
     const devicesKeys: {
       [deviceID: string]: ?DeviceOlmInboundKeys,
     } = {};
 
     devicesMap.forEach(([deviceID, inboundKeys]) => {
       const identityInfo = inboundKeys?.identityInfo;
       const payload = identityInfo?.payload;
       const contentPreKey = inboundKeys?.contentPrekey;
       const notifPreKey = inboundKeys?.notifPrekey;
 
       if (typeof deviceID !== 'string') {
         console.log(`Invalid deviceID in devicesMap: ${deviceID}`);
         return;
       }
 
       const deviceKeys = {
         identityKeysBlob: payload ? JSON.parse(payload) : null,
         signedPrekeys: {
           contentPrekey: contentPreKey?.prekey,
           contentPrekeySignature: contentPreKey?.prekeySignature,
           notifPrekey: notifPreKey?.prekey,
           notifPrekeySignature: notifPreKey?.prekeySignature,
         },
         payloadSignature: identityInfo?.payloadSignature,
       };
 
       try {
         devicesKeys[deviceID] = assertWithValidator(
           deviceKeys,
           deviceOlmInboundKeysValidator,
         );
       } catch (e) {
         console.log(e);
         devicesKeys[deviceID] = null;
       }
     });
 
     const identityInfo = response?.getIdentity();
     const inboundUserKeys = {
       keys: devicesKeys,
       username: identityInfo?.getUsername(),
       walletAddress: identityInfo?.getEthIdentity()?.getWalletAddress(),
     };
 
     return assertWithValidator(
       inboundUserKeys,
       userDeviceOlmInboundKeysValidator,
     );
   };
 
   uploadOneTimeKeys: (oneTimeKeys: OneTimeKeysResultValues) => Promise<void> =
     async (oneTimeKeys: OneTimeKeysResultValues) => {
       const client = this.authClient;
       if (!client) {
         throw new Error('Identity service client is not initialized');
       }
 
       const contentOneTimeKeysArray = [...oneTimeKeys.contentOneTimeKeys];
       const notifOneTimeKeysArray = [...oneTimeKeys.notificationsOneTimeKeys];
 
       const request = new IdentityAuthStructs.UploadOneTimeKeysRequest();
       request.setContentOneTimePrekeysList(contentOneTimeKeysArray);
       request.setNotifOneTimePrekeysList(notifOneTimeKeysArray);
       await client.uploadOneTimeKeys(request);
     };
 
   logInPasswordUser: (
     username: string,
     password: string,
   ) => Promise<IdentityAuthResult> = async (
     username: string,
     password: string,
   ) => {
     const client = this.unauthClient;
     if (!client) {
       throw new Error('Identity service client is not initialized');
     }
 
     const [identityDeviceKeyUpload] = await Promise.all([
       this.getExistingDeviceKeyUpload(),
       initOpaque(this.overridedOpaqueFilepath),
     ]);
 
     const opaqueLogin = new Login();
     const startRequestBytes = opaqueLogin.start(password);
 
     const deviceKeyUpload = authExistingDeviceKeyUpload(
       identityDeviceKeyUpload,
     );
 
     const loginStartRequest = new OpaqueLoginStartRequest();
     loginStartRequest.setUsername(username);
     loginStartRequest.setOpaqueLoginRequest(startRequestBytes);
     loginStartRequest.setDeviceKeyUpload(deviceKeyUpload);
 
     let loginStartResponse;
     try {
       loginStartResponse =
         await client.logInPasswordUserStart(loginStartRequest);
     } catch (e) {
       console.log('Error calling logInPasswordUserStart:', e);
       throw new Error(getMessageForException(e) ?? 'unknown');
     }
     const finishRequestBytes = opaqueLogin.finish(
       loginStartResponse.getOpaqueLoginResponse_asU8(),
     );
 
     const loginFinishRequest = new OpaqueLoginFinishRequest();
     loginFinishRequest.setSessionId(loginStartResponse.getSessionId());
     loginFinishRequest.setOpaqueLoginUpload(finishRequestBytes);
 
     let loginFinishResponse;
     try {
       loginFinishResponse =
         await client.logInPasswordUserFinish(loginFinishRequest);
     } catch (e) {
       console.log('Error calling logInPasswordUserFinish:', e);
       throw new Error(getMessageForException(e) ?? 'unknown');
     }
 
     const userID = loginFinishResponse.getUserId();
     const accessToken = loginFinishResponse.getAccessToken();
     const identityAuthResult = { accessToken, userID, username };
 
     return assertWithValidator(identityAuthResult, identityAuthResultValidator);
   };
 
   logInWalletUser: (
     walletAddress: string,
     siweMessage: string,
     siweSignature: string,
   ) => Promise<IdentityAuthResult> = async (
     walletAddress: string,
     siweMessage: string,
     siweSignature: string,
   ) => {
     const identityDeviceKeyUpload = await this.getExistingDeviceKeyUpload();
     const deviceKeyUpload = authExistingDeviceKeyUpload(
       identityDeviceKeyUpload,
     );
 
     const loginRequest = new WalletAuthRequest();
     loginRequest.setSiweMessage(siweMessage);
     loginRequest.setSiweSignature(siweSignature);
     loginRequest.setDeviceKeyUpload(deviceKeyUpload);
 
     let loginResponse;
     try {
       loginResponse = await this.unauthClient.logInWalletUser(loginRequest);
     } catch (e) {
       console.log('Error calling logInWalletUser:', e);
       throw new Error(getMessageForException(e) ?? 'unknown');
     }
 
     const userID = loginResponse.getUserId();
     const accessToken = loginResponse.getAccessToken();
     const identityAuthResult = { accessToken, userID, username: walletAddress };
 
     return assertWithValidator(identityAuthResult, identityAuthResultValidator);
   };
 
   uploadKeysForRegisteredDeviceAndLogIn: (
     ownerUserID: string,
     nonceChallengeResponse: SignedMessage,
   ) => Promise<IdentityAuthResult> = async (
     ownerUserID,
     nonceChallengeResponse,
   ) => {
     const identityDeviceKeyUpload = await this.getNewDeviceKeyUpload();
     const deviceKeyUpload = authNewDeviceKeyUpload(identityDeviceKeyUpload);
     const challengeResponse = JSON.stringify(nonceChallengeResponse);
 
     const request = new SecondaryDeviceKeysUploadRequest();
     request.setUserId(ownerUserID);
     request.setChallengeResponse(challengeResponse);
     request.setDeviceKeyUpload(deviceKeyUpload);
 
     let response;
     try {
       response =
         await this.unauthClient.uploadKeysForRegisteredDeviceAndLogIn(request);
     } catch (e) {
       console.log('Error calling uploadKeysForRegisteredDeviceAndLogIn:', e);
       throw new Error(getMessageForException(e) ?? 'unknown');
     }
 
     const userID = response.getUserId();
     const accessToken = response.getAccessToken();
     const identityAuthResult = { accessToken, userID, username: '' };
 
     return assertWithValidator(identityAuthResult, identityAuthResultValidator);
   };
 
   generateNonce: () => Promise<string> = async () => {
     const result = await this.unauthClient.generateNonce(new Empty());
     return result.getNonce();
   };
 
   publishWebPrekeys: (prekeys: SignedPrekeys) => Promise<void> = async (
     prekeys: SignedPrekeys,
   ) => {
     const client = this.authClient;
     if (!client) {
       throw new Error('Identity service client is not initialized');
     }
 
     const contentPrekeyUpload = new Prekey();
     contentPrekeyUpload.setPrekey(prekeys.contentPrekey);
     contentPrekeyUpload.setPrekeySignature(prekeys.contentPrekeySignature);
 
     const notifPrekeyUpload = new Prekey();
     notifPrekeyUpload.setPrekey(prekeys.notifPrekey);
     notifPrekeyUpload.setPrekeySignature(prekeys.notifPrekeySignature);
 
     const request = new IdentityAuthStructs.RefreshUserPrekeysRequest();
     request.setNewContentPrekeys(contentPrekeyUpload);
     request.setNewNotifPrekeys(notifPrekeyUpload);
     await client.refreshUserPrekeys(request);
   };
 
   getDeviceListHistoryForUser: (
     userID: string,
     sinceTimestamp?: number,
   ) => Promise<$ReadOnlyArray<SignedDeviceList>> = async (
     userID,
     sinceTimestamp,
   ) => {
     const client = this.authClient;
     if (!client) {
       throw new Error('Identity service client is not initialized');
     }
     const request = new IdentityAuthStructs.GetDeviceListRequest();
     request.setUserId(userID);
     if (sinceTimestamp) {
       request.setSinceTimestamp(sinceTimestamp);
     }
     const response = await client.getDeviceListForUser(request);
     const rawPayloads = response.getDeviceListUpdatesList();
     const deviceListUpdates: SignedDeviceList[] = rawPayloads.map(payload =>
       JSON.parse(payload),
     );
     return assertWithValidator(
       deviceListUpdates,
       signedDeviceListHistoryValidator,
     );
   };
+
+  getFarcasterUsers: (
+    farcasterIDs: $ReadOnlyArray<string>,
+  ) => Promise<$ReadOnlyArray<FarcasterUser>> = async farcasterIDs => {
+    const getFarcasterUsersRequest = new GetFarcasterUsersRequest();
+    getFarcasterUsersRequest.setFarcasterIdsList([...farcasterIDs]);
+
+    let getFarcasterUsersResponse;
+    try {
+      getFarcasterUsersResponse = await this.unauthClient.getFarcasterUsers(
+        getFarcasterUsersRequest,
+      );
+    } catch (e) {
+      console.log('Error calling getFarcasterUsers:', e);
+      throw new Error(getMessageForException(e) ?? 'unknown');
+    }
+
+    const farcasterUsersList =
+      getFarcasterUsersResponse.getFarcasterUsersList();
+
+    const returnList = [];
+
+    for (const user of farcasterUsersList) {
+      returnList.push({
+        userID: user.getUserId(),
+        username: user.getUsername(),
+        farcasterID: user.getFarcasterId(),
+      });
+    }
+
+    return assertWithValidator(returnList, farcasterUsersValidator);
+  };
+
+  linkFarcasterAccount: (farcasterID: string) => Promise<void> =
+    async farcasterID => {
+      const client = this.authClient;
+      if (!client) {
+        throw new Error('Identity service client is not initialized');
+      }
+      const linkFarcasterAccountRequest =
+        new IdentityAuthStructs.LinkFarcasterAccountRequest();
+      linkFarcasterAccountRequest.setFarcasterId(farcasterID);
+      await client.linkFarcasterAccount(linkFarcasterAccountRequest);
+    };
 }
 
 function authNewDeviceKeyUpload(
   uploadData: IdentityNewDeviceKeyUpload,
 ): DeviceKeyUpload {
   const {
     keyPayload,
     keyPayloadSignature,
     contentPrekey,
     contentPrekeySignature,
     notifPrekey,
     notifPrekeySignature,
     contentOneTimeKeys,
     notifOneTimeKeys,
   } = uploadData;
 
   const identityKeyInfo = createIdentityKeyInfo(
     keyPayload,
     keyPayloadSignature,
   );
 
   const contentPrekeyUpload = createPrekey(
     contentPrekey,
     contentPrekeySignature,
   );
 
   const notifPrekeyUpload = createPrekey(notifPrekey, notifPrekeySignature);
 
   const deviceKeyUpload = createDeviceKeyUpload(
     identityKeyInfo,
     contentPrekeyUpload,
     notifPrekeyUpload,
     contentOneTimeKeys,
     notifOneTimeKeys,
   );
 
   return deviceKeyUpload;
 }
 
 function authExistingDeviceKeyUpload(
   uploadData: IdentityExistingDeviceKeyUpload,
 ): DeviceKeyUpload {
   const {
     keyPayload,
     keyPayloadSignature,
     contentPrekey,
     contentPrekeySignature,
     notifPrekey,
     notifPrekeySignature,
   } = uploadData;
 
   const identityKeyInfo = createIdentityKeyInfo(
     keyPayload,
     keyPayloadSignature,
   );
 
   const contentPrekeyUpload = createPrekey(
     contentPrekey,
     contentPrekeySignature,
   );
 
   const notifPrekeyUpload = createPrekey(notifPrekey, notifPrekeySignature);
 
   const deviceKeyUpload = createDeviceKeyUpload(
     identityKeyInfo,
     contentPrekeyUpload,
     notifPrekeyUpload,
   );
 
   return deviceKeyUpload;
 }
 
 function createIdentityKeyInfo(
   keyPayload: string,
   keyPayloadSignature: string,
 ): IdentityKeyInfo {
   const identityKeyInfo = new IdentityKeyInfo();
   identityKeyInfo.setPayload(keyPayload);
   identityKeyInfo.setPayloadSignature(keyPayloadSignature);
   return identityKeyInfo;
 }
 
 function createPrekey(prekey: string, prekeySignature: string): Prekey {
   const prekeyUpload = new Prekey();
   prekeyUpload.setPrekey(prekey);
   prekeyUpload.setPrekeySignature(prekeySignature);
   return prekeyUpload;
 }
 
 function createDeviceKeyUpload(
   identityKeyInfo: IdentityKeyInfo,
   contentPrekeyUpload: Prekey,
   notifPrekeyUpload: Prekey,
   contentOneTimeKeys: $ReadOnlyArray<string> = [],
   notifOneTimeKeys: $ReadOnlyArray<string> = [],
 ): DeviceKeyUpload {
   const deviceKeyUpload = new DeviceKeyUpload();
   deviceKeyUpload.setDeviceKeyInfo(identityKeyInfo);
   deviceKeyUpload.setContentUpload(contentPrekeyUpload);
   deviceKeyUpload.setNotifUpload(notifPrekeyUpload);
   deviceKeyUpload.setOneTimeContentPrekeysList([...contentOneTimeKeys]);
   deviceKeyUpload.setOneTimeNotifPrekeysList([...notifOneTimeKeys]);
   deviceKeyUpload.setDeviceType(identityDeviceTypes.WEB);
   return deviceKeyUpload;
 }
 
 export { IdentityServiceClientWrapper };
diff --git a/web/grpc/identity-service-context-provider.react.js b/web/grpc/identity-service-context-provider.react.js
index 929fc92a2..031676fed 100644
--- a/web/grpc/identity-service-context-provider.react.js
+++ b/web/grpc/identity-service-context-provider.react.js
@@ -1,154 +1,156 @@
 // @flow
 
 import _isEqual from 'lodash/fp/isEqual.js';
 import * as React from 'react';
 
 import {
   IdentityClientContext,
   type AuthMetadata,
 } from 'lib/shared/identity-client-context.js';
 import type {
   IdentityServiceClient,
   IdentityServiceAuthLayer,
 } from 'lib/types/identity-service-types.js';
 import { getContentSigningKey } from 'lib/utils/crypto-utils.js';
 
 import { useSelector } from '../redux/redux-utils.js';
 import { getCommSharedWorker } from '../shared-worker/shared-worker-provider.js';
 import { getOpaqueWasmPath } from '../shared-worker/utils/constants.js';
 import {
   workerRequestMessageTypes,
   workerResponseMessageTypes,
 } from '../types/worker-types.js';
 
 type CreateMethodWorkerProxy = <Return>(
   method: $Keys<IdentityServiceClient>,
 ) => (...args: $ReadOnlyArray<mixed>) => Promise<Return>;
 
 type Props = {
   +children: React.Node,
 };
 function IdentityServiceContextProvider(props: Props): React.Node {
   const { children } = props;
 
   const userID = useSelector(state => state.currentUserInfo?.id);
   const accessToken = useSelector(state => state.commServicesAccessToken);
 
   const getAuthMetadata = React.useCallback<
     () => Promise<AuthMetadata>,
   >(async () => {
     const contentSigningKey = await getContentSigningKey();
     return {
       userID,
       deviceID: contentSigningKey,
       accessToken,
     };
   }, [accessToken, userID]);
 
   const workerClientAuthMetadata = React.useRef<?AuthMetadata>(null);
   const ensureThatWorkerClientAuthMetadataIsCurrent =
     React.useCallback(async () => {
       const [sharedWorker, authMetadata] = await Promise.all([
         getCommSharedWorker(),
         getAuthMetadata(),
       ]);
 
       if (_isEqual(authMetadata, workerClientAuthMetadata.current)) {
         return;
       }
 
       workerClientAuthMetadata.current = authMetadata;
 
       let authLayer: ?IdentityServiceAuthLayer = null;
       if (
         authMetadata.userID &&
         authMetadata.deviceID &&
         authMetadata.accessToken
       ) {
         authLayer = {
           userID: authMetadata.userID,
           deviceID: authMetadata.deviceID,
           commServicesAccessToken: authMetadata.accessToken,
         };
       }
 
       await sharedWorker.schedule({
         type: workerRequestMessageTypes.CREATE_IDENTITY_SERVICE_CLIENT,
         opaqueWasmPath: getOpaqueWasmPath(),
         authLayer,
       });
     }, [getAuthMetadata]);
 
   React.useEffect(() => {
     void ensureThatWorkerClientAuthMetadataIsCurrent();
   }, [ensureThatWorkerClientAuthMetadataIsCurrent]);
 
   const proxyMethodToWorker: CreateMethodWorkerProxy = React.useCallback(
     method =>
       async (...args: $ReadOnlyArray<mixed>) => {
         await ensureThatWorkerClientAuthMetadataIsCurrent();
 
         const sharedWorker = await getCommSharedWorker();
         const result = await sharedWorker.schedule({
           type: workerRequestMessageTypes.CALL_IDENTITY_CLIENT_METHOD,
           method,
           args,
         });
 
         if (!result) {
           throw new Error(
             `Worker identity call didn't return expected message`,
           );
         } else if (
           result.type !== workerResponseMessageTypes.CALL_IDENTITY_CLIENT_METHOD
         ) {
           throw new Error(
             `Worker identity call didn't return expected message. Instead got: ${JSON.stringify(
               result,
             )}`,
           );
         }
 
         // Worker should return a message with the corresponding return type
         return (result.result: any);
       },
     [ensureThatWorkerClientAuthMetadataIsCurrent],
   );
 
   const client = React.useMemo<IdentityServiceClient>(() => {
     return {
       deleteUser: proxyMethodToWorker('deleteUser'),
       logOut: proxyMethodToWorker('logOut'),
       getKeyserverKeys: proxyMethodToWorker('getKeyserverKeys'),
       getOutboundKeysForUser: proxyMethodToWorker('getOutboundKeysForUser'),
       getInboundKeysForUser: proxyMethodToWorker('getInboundKeysForUser'),
       uploadOneTimeKeys: proxyMethodToWorker('uploadOneTimeKeys'),
       logInPasswordUser: proxyMethodToWorker('logInPasswordUser'),
       logInWalletUser: proxyMethodToWorker('logInWalletUser'),
       uploadKeysForRegisteredDeviceAndLogIn: proxyMethodToWorker(
         'uploadKeysForRegisteredDeviceAndLogIn',
       ),
       generateNonce: proxyMethodToWorker('generateNonce'),
       publishWebPrekeys: proxyMethodToWorker('publishWebPrekeys'),
       getDeviceListHistoryForUser: proxyMethodToWorker(
         'getDeviceListHistoryForUser',
       ),
+      getFarcasterUsers: proxyMethodToWorker('getFarcasterUsers'),
+      linkFarcasterAccount: proxyMethodToWorker('linkFarcasterAccount'),
     };
   }, [proxyMethodToWorker]);
 
   const value = React.useMemo(
     () => ({
       identityClient: client,
       getAuthMetadata,
     }),
     [client, getAuthMetadata],
   );
 
   return (
     <IdentityClientContext.Provider value={value}>
       {children}
     </IdentityClientContext.Provider>
   );
 }
 
 export default IdentityServiceContextProvider;