diff --git a/native/cpp/CommonCpp/NativeModules/CommRustModule.cpp b/native/cpp/CommonCpp/NativeModules/CommRustModule.cpp
index fe094120e..28f052ca1 100644
--- a/native/cpp/CommonCpp/NativeModules/CommRustModule.cpp
+++ b/native/cpp/CommonCpp/NativeModules/CommRustModule.cpp
@@ -1,721 +1,747 @@
 #include "CommRustModule.h"
 #include "InternalModules/RustPromiseManager.h"
 #include "JSIRust.h"
 #include "lib.rs.h"
 
 #include <ReactCommon/TurboModuleUtils.h>
 
 namespace comm {
 
 using namespace facebook::react;
 
 CommRustModule::CommRustModule(std::shared_ptr<CallInvoker> jsInvoker)
     : CommRustModuleSchemaCxxSpecJSI(jsInvoker) {
 }
 
 jsi::Value CommRustModule::generateNonce(jsi::Runtime &rt) {
   return createPromiseAsJSIValue(
       rt, [this](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         std::string error;
         try {
           auto currentID = RustPromiseManager::instance.addPromise(
               {promise, this->jsInvoker_, innerRt});
           identityGenerateNonce(currentID);
         } catch (const std::exception &e) {
           error = e.what();
         };
         if (!error.empty()) {
           this->jsInvoker_->invokeAsync(
               [error, promise]() { promise->reject(error); });
         }
       });
 }
 
 jsi::Value CommRustModule::registerPasswordUser(
     jsi::Runtime &rt,
     jsi::String username,
     jsi::String password,
     jsi::String keyPayload,
     jsi::String keyPayloadSignature,
     jsi::String contentPrekey,
     jsi::String contentPrekeySignature,
     jsi::String notifPrekey,
     jsi::String notifPrekeySignature,
     jsi::Array contentOneTimeKeys,
     jsi::Array notifOneTimeKeys,
     jsi::String farcasterID) {
   auto usernameRust = jsiStringToRustString(username, rt);
   auto passwordRust = jsiStringToRustString(password, rt);
   auto keyPayloadRust = jsiStringToRustString(keyPayload, rt);
   auto keyPayloadSignatureRust = jsiStringToRustString(keyPayloadSignature, rt);
   auto contentPrekeyRust = jsiStringToRustString(contentPrekey, rt);
   auto contentPrekeySignatureRust =
       jsiStringToRustString(contentPrekeySignature, rt);
   auto notifPrekeyRust = jsiStringToRustString(notifPrekey, rt);
   auto notifPrekeySignatureRust =
       jsiStringToRustString(notifPrekeySignature, rt);
   auto contentOneTimeKeysRust = jsiStringArrayToRustVec(contentOneTimeKeys, rt);
   auto notifOneTimeKeysRust = jsiStringArrayToRustVec(notifOneTimeKeys, rt);
   auto farcasterIDRust = jsiStringToRustString(farcasterID, rt);
 
   return createPromiseAsJSIValue(
       rt, [=, this](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         std::string error;
         try {
           auto currentID = RustPromiseManager::instance.addPromise(
               {promise, this->jsInvoker_, innerRt});
           identityRegisterPasswordUser(
               usernameRust,
               passwordRust,
               keyPayloadRust,
               keyPayloadSignatureRust,
               contentPrekeyRust,
               contentPrekeySignatureRust,
               notifPrekeyRust,
               notifPrekeySignatureRust,
               contentOneTimeKeysRust,
               notifOneTimeKeysRust,
               farcasterIDRust,
               currentID);
         } catch (const std::exception &e) {
           error = e.what();
         };
         if (!error.empty()) {
           this->jsInvoker_->invokeAsync(
               [error, promise]() { promise->reject(error); });
         }
       });
 }
 
 jsi::Value CommRustModule::logInPasswordUser(
     jsi::Runtime &rt,
     jsi::String username,
     jsi::String password,
     jsi::String keyPayload,
     jsi::String keyPayloadSignature,
     jsi::String contentPrekey,
     jsi::String contentPrekeySignature,
     jsi::String notifPrekey,
     jsi::String notifPrekeySignature) {
   auto usernameRust = jsiStringToRustString(username, rt);
   auto passwordRust = jsiStringToRustString(password, rt);
   auto keyPayloadRust = jsiStringToRustString(keyPayload, rt);
   auto keyPayloadSignatureRust = jsiStringToRustString(keyPayloadSignature, rt);
   auto contentPrekeyRust = jsiStringToRustString(contentPrekey, rt);
   auto contentPrekeySignatureRust =
       jsiStringToRustString(contentPrekeySignature, rt);
   auto notifPrekeyRust = jsiStringToRustString(notifPrekey, rt);
   auto notifPrekeySignatureRust =
       jsiStringToRustString(notifPrekeySignature, rt);
 
   return createPromiseAsJSIValue(
       rt, [=, this](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         std::string error;
         try {
           auto currentID = RustPromiseManager::instance.addPromise(
               {promise, this->jsInvoker_, innerRt});
           identityLogInPasswordUser(
               usernameRust,
               passwordRust,
               keyPayloadRust,
               keyPayloadSignatureRust,
               contentPrekeyRust,
               contentPrekeySignatureRust,
               notifPrekeyRust,
               notifPrekeySignatureRust,
               currentID);
         } catch (const std::exception &e) {
           error = e.what();
         };
         if (!error.empty()) {
           this->jsInvoker_->invokeAsync(
               [error, promise]() { promise->reject(error); });
         }
       });
 }
 
 jsi::Value CommRustModule::registerWalletUser(
     jsi::Runtime &rt,
     jsi::String siweMessage,
     jsi::String siweSignature,
     jsi::String keyPayload,
     jsi::String keyPayloadSignature,
     jsi::String contentPrekey,
     jsi::String contentPrekeySignature,
     jsi::String notifPrekey,
     jsi::String notifPrekeySignature,
     jsi::Array contentOneTimeKeys,
     jsi::Array notifOneTimeKeys,
     jsi::String farcasterID) {
   auto siweMessageRust = jsiStringToRustString(siweMessage, rt);
   auto siweSignatureRust = jsiStringToRustString(siweSignature, rt);
   auto keyPayloadRust = jsiStringToRustString(keyPayload, rt);
   auto keyPayloadSignatureRust = jsiStringToRustString(keyPayloadSignature, rt);
   auto contentPrekeyRust = jsiStringToRustString(contentPrekey, rt);
   auto contentPrekeySignatureRust =
       jsiStringToRustString(contentPrekeySignature, rt);
   auto notifPrekeyRust = jsiStringToRustString(notifPrekey, rt);
   auto notifPrekeySignatureRust =
       jsiStringToRustString(notifPrekeySignature, rt);
   auto contentOneTimeKeysRust = jsiStringArrayToRustVec(contentOneTimeKeys, rt);
   auto notifOneTimeKeysRust = jsiStringArrayToRustVec(notifOneTimeKeys, rt);
   auto farcasterIDRust = jsiStringToRustString(farcasterID, rt);
 
   return createPromiseAsJSIValue(
       rt, [=, this](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         std::string error;
         try {
           auto currentID = RustPromiseManager::instance.addPromise(
               {promise, this->jsInvoker_, innerRt});
           identityRegisterWalletUser(
               siweMessageRust,
               siweSignatureRust,
               keyPayloadRust,
               keyPayloadSignatureRust,
               contentPrekeyRust,
               contentPrekeySignatureRust,
               notifPrekeyRust,
               notifPrekeySignatureRust,
               contentOneTimeKeysRust,
               notifOneTimeKeysRust,
               farcasterIDRust,
               currentID);
         } catch (const std::exception &e) {
           error = e.what();
         };
         if (!error.empty()) {
           this->jsInvoker_->invokeAsync(
               [error, promise]() { promise->reject(error); });
         }
       });
 }
 
 jsi::Value CommRustModule::logInWalletUser(
     jsi::Runtime &rt,
     jsi::String siweMessage,
     jsi::String siweSignature,
     jsi::String keyPayload,
     jsi::String keyPayloadSignature,
     jsi::String contentPrekey,
     jsi::String contentPrekeySignature,
     jsi::String notifPrekey,
     jsi::String notifPrekeySignature) {
   auto siweMessageRust = jsiStringToRustString(siweMessage, rt);
   auto siweSignatureRust = jsiStringToRustString(siweSignature, rt);
   auto keyPayloadRust = jsiStringToRustString(keyPayload, rt);
   auto keyPayloadSignatureRust = jsiStringToRustString(keyPayloadSignature, rt);
   auto contentPrekeyRust = jsiStringToRustString(contentPrekey, rt);
   auto contentPrekeySignatureRust =
       jsiStringToRustString(contentPrekeySignature, rt);
   auto notifPrekeyRust = jsiStringToRustString(notifPrekey, rt);
   auto notifPrekeySignatureRust =
       jsiStringToRustString(notifPrekeySignature, rt);
 
   return createPromiseAsJSIValue(
       rt, [=, this](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         std::string error;
         try {
           auto currentID = RustPromiseManager::instance.addPromise(
               {promise, this->jsInvoker_, innerRt});
           identityLogInWalletUser(
               siweMessageRust,
               siweSignatureRust,
               keyPayloadRust,
               keyPayloadSignatureRust,
               contentPrekeyRust,
               contentPrekeySignatureRust,
               notifPrekeyRust,
               notifPrekeySignatureRust,
               currentID);
         } catch (const std::exception &e) {
           error = e.what();
         };
         if (!error.empty()) {
           this->jsInvoker_->invokeAsync(
               [error, promise]() { promise->reject(error); });
         }
       });
 }
 
 jsi::Value CommRustModule::updatePassword(
     jsi::Runtime &rt,
     jsi::String userID,
     jsi::String deviceID,
     jsi::String accessToken,
     jsi::String password) {
   auto userIDRust = jsiStringToRustString(userID, rt);
   auto deviceIDRust = jsiStringToRustString(deviceID, rt);
   auto accessTokenRust = jsiStringToRustString(accessToken, rt);
   auto passwordRust = jsiStringToRustString(password, rt);
 
   return createPromiseAsJSIValue(
       rt, [=, this](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         std::string error;
         try {
           auto currentID = RustPromiseManager::instance.addPromise(
               {promise, this->jsInvoker_, innerRt});
           identityUpdateUserPassword(
               userIDRust,
               deviceIDRust,
               accessTokenRust,
               passwordRust,
               currentID);
         } catch (const std::exception &e) {
           error = e.what();
         };
         if (!error.empty()) {
           this->jsInvoker_->invokeAsync(
               [error, promise]() { promise->reject(error); });
         }
       });
 }
 
 jsi::Value CommRustModule::deleteUser(
     jsi::Runtime &rt,
     jsi::String userID,
     jsi::String deviceID,
     jsi::String accessToken) {
   auto userIDRust = jsiStringToRustString(userID, rt);
   auto deviceIDRust = jsiStringToRustString(deviceID, rt);
   auto accessTokenRust = jsiStringToRustString(accessToken, rt);
 
   return createPromiseAsJSIValue(
       rt, [=, this](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         std::string error;
         try {
           auto currentID = RustPromiseManager::instance.addPromise(
               {promise, this->jsInvoker_, innerRt});
           identityDeleteUser(
               userIDRust, deviceIDRust, accessTokenRust, currentID);
         } catch (const std::exception &e) {
           error = e.what();
         };
         if (!error.empty()) {
           this->jsInvoker_->invokeAsync(
               [error, promise]() { promise->reject(error); });
         }
       });
 }
 
 jsi::Value CommRustModule::logOut(
     jsi::Runtime &rt,
     jsi::String userID,
     jsi::String deviceID,
     jsi::String accessToken) {
   auto userIDRust = jsiStringToRustString(userID, rt);
   auto deviceIDRust = jsiStringToRustString(deviceID, rt);
   auto accessTokenRust = jsiStringToRustString(accessToken, rt);
 
   return createPromiseAsJSIValue(
       rt, [=, this](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         std::string error;
         try {
           auto currentID = RustPromiseManager::instance.addPromise(
               {promise, this->jsInvoker_, innerRt});
           identityLogOut(userIDRust, deviceIDRust, accessTokenRust, currentID);
         } catch (const std::exception &e) {
           error = e.what();
         };
         if (!error.empty()) {
           this->jsInvoker_->invokeAsync(
               [error, promise]() { promise->reject(error); });
         }
       });
 }
 
 jsi::Value CommRustModule::getOutboundKeysForUser(
     jsi::Runtime &rt,
     jsi::String authUserID,
     jsi::String authDeviceID,
     jsi::String authAccessToken,
     jsi::String userID) {
   auto authUserIDRust = jsiStringToRustString(authUserID, rt);
   auto authDeviceIDRust = jsiStringToRustString(authDeviceID, rt);
   auto authAccessTokenRust = jsiStringToRustString(authAccessToken, rt);
   auto userIDRust = jsiStringToRustString(userID, rt);
 
   return createPromiseAsJSIValue(
       rt, [=, this](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         std::string error;
         try {
           auto currentID = RustPromiseManager::instance.addPromise(
               {promise, this->jsInvoker_, innerRt});
           identityGetOutboundKeysForUser(
               authUserIDRust,
               authDeviceIDRust,
               authAccessTokenRust,
               userIDRust,
               currentID);
         } catch (const std::exception &e) {
           error = e.what();
         };
         if (!error.empty()) {
           this->jsInvoker_->invokeAsync(
               [error, promise]() { promise->reject(error); });
         }
       });
 }
 
 jsi::Value CommRustModule::getInboundKeysForUser(
     jsi::Runtime &rt,
     jsi::String authUserID,
     jsi::String authDeviceID,
     jsi::String authAccessToken,
     jsi::String userID) {
   auto authUserIDRust = jsiStringToRustString(authUserID, rt);
   auto authDeviceIDRust = jsiStringToRustString(authDeviceID, rt);
   auto authAccessTokenRust = jsiStringToRustString(authAccessToken, rt);
   auto userIDRust = jsiStringToRustString(userID, rt);
 
   return createPromiseAsJSIValue(
       rt, [=, this](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         std::string error;
         try {
           auto currentID = RustPromiseManager::instance.addPromise(
               {promise, this->jsInvoker_, innerRt});
           identityGetInboundKeysForUser(
               authUserIDRust,
               authDeviceIDRust,
               authAccessTokenRust,
               userIDRust,
               currentID);
         } catch (const std::exception &e) {
           error = e.what();
         };
         if (!error.empty()) {
           this->jsInvoker_->invokeAsync(
               [error, promise]() { promise->reject(error); });
         }
       });
 }
 
 jsi::Value CommRustModule::versionSupported(jsi::Runtime &rt) {
   return createPromiseAsJSIValue(
       rt, [=, this](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         std::string error;
         try {
           auto currentID = RustPromiseManager::instance.addPromise(
               {promise, this->jsInvoker_, innerRt});
           identityVersionSupported(currentID);
         } catch (const std::exception &e) {
           error = e.what();
         };
         if (!error.empty()) {
           this->jsInvoker_->invokeAsync(
               [error, promise]() { promise->reject(error); });
         }
       });
 }
 
 jsi::Value CommRustModule::uploadOneTimeKeys(
     jsi::Runtime &rt,
     jsi::String authUserID,
     jsi::String authDeviceID,
     jsi::String authAccessToken,
     jsi::Array contentOneTimePreKeys,
     jsi::Array notifOneTimePreKeys) {
   auto authUserIDRust = jsiStringToRustString(authUserID, rt);
   auto authDeviceIDRust = jsiStringToRustString(authDeviceID, rt);
   auto authAccessTokenRust = jsiStringToRustString(authAccessToken, rt);
   auto contentOneTimePreKeysRust =
       jsiStringArrayToRustVec(contentOneTimePreKeys, rt);
   auto notifOneTimePreKeysRust =
       jsiStringArrayToRustVec(notifOneTimePreKeys, rt);
 
   return createPromiseAsJSIValue(
       rt, [=, this](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         std::string error;
         try {
           auto currentID = RustPromiseManager::instance.addPromise(
               {promise, this->jsInvoker_, innerRt});
           identityUploadOneTimeKeys(
               authUserIDRust,
               authDeviceIDRust,
               authAccessTokenRust,
               contentOneTimePreKeysRust,
               notifOneTimePreKeysRust,
               currentID);
         } catch (const std::exception &e) {
           error = e.what();
         };
         if (!error.empty()) {
           this->jsInvoker_->invokeAsync(
               [error, promise]() { promise->reject(error); });
         }
       });
 }
 
 jsi::Value CommRustModule::getKeyserverKeys(
     jsi::Runtime &rt,
     jsi::String authUserID,
     jsi::String authDeviceID,
     jsi::String authAccessToken,
     jsi::String keyserverID) {
   auto authUserIDRust = jsiStringToRustString(authUserID, rt);
   auto authDeviceIDRust = jsiStringToRustString(authDeviceID, rt);
   auto authAccessTokenRust = jsiStringToRustString(authAccessToken, rt);
   auto keyserverIDRust = jsiStringToRustString(keyserverID, rt);
 
   return createPromiseAsJSIValue(
       rt, [=, this](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         std::string error;
         try {
           auto currentID = RustPromiseManager::instance.addPromise(
               {promise, this->jsInvoker_, innerRt});
           identityGetKeyserverKeys(
               authUserIDRust,
               authDeviceIDRust,
               authAccessTokenRust,
               keyserverIDRust,
               currentID);
         } catch (const std::exception &e) {
           error = e.what();
         };
         if (!error.empty()) {
           this->jsInvoker_->invokeAsync(
               [error, promise]() { promise->reject(error); });
         }
       });
 }
 
 jsi::Value CommRustModule::getDeviceListForUser(
     jsi::Runtime &rt,
     jsi::String authUserID,
     jsi::String authDeviceID,
     jsi::String authAccessToken,
     jsi::String userID,
     std::optional<double> sinceTimestamp) {
   auto authUserIDRust = jsiStringToRustString(authUserID, rt);
   auto authDeviceIDRust = jsiStringToRustString(authDeviceID, rt);
   auto authAccessTokenRust = jsiStringToRustString(authAccessToken, rt);
   auto userIDRust = jsiStringToRustString(userID, rt);
 
   auto timestampI64 = static_cast<int64_t>(sinceTimestamp.value_or(0));
   return createPromiseAsJSIValue(
       rt, [=, this](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         std::string error;
         try {
           auto currentID = RustPromiseManager::instance.addPromise(
               {promise, this->jsInvoker_, innerRt});
           identityGetDeviceListForUser(
               authUserIDRust,
               authDeviceIDRust,
               authAccessTokenRust,
               userIDRust,
               timestampI64,
               currentID);
         } catch (const std::exception &e) {
           error = e.what();
         };
         if (!error.empty()) {
           this->jsInvoker_->invokeAsync(
               [error, promise]() { promise->reject(error); });
         }
       });
 }
 
 jsi::Value CommRustModule::updateDeviceList(
     jsi::Runtime &rt,
     jsi::String authUserID,
     jsi::String authDeviceID,
     jsi::String authAccessToken,
     jsi::String updatePayload) {
   auto authUserIDRust = jsiStringToRustString(authUserID, rt);
   auto authDeviceIDRust = jsiStringToRustString(authDeviceID, rt);
   auto authAccessTokenRust = jsiStringToRustString(authAccessToken, rt);
   auto updatePayloadRust = jsiStringToRustString(updatePayload, rt);
   return createPromiseAsJSIValue(
       rt, [=, this](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         std::string error;
         try {
           auto currentID = RustPromiseManager::instance.addPromise(
               {promise, this->jsInvoker_, innerRt});
           identityUpdateDeviceList(
               authUserIDRust,
               authDeviceIDRust,
               authAccessTokenRust,
               updatePayloadRust,
               currentID);
         } catch (const std::exception &e) {
           error = e.what();
         };
         if (!error.empty()) {
           this->jsInvoker_->invokeAsync(
               [error, promise]() { promise->reject(error); });
         }
       });
 }
 
 jsi::Value CommRustModule::uploadSecondaryDeviceKeysAndLogIn(
     jsi::Runtime &rt,
     jsi::String userID,
     jsi::String challengeResponse,
     jsi::String keyPayload,
     jsi::String keyPayloadSignature,
     jsi::String contentPrekey,
     jsi::String contentPrekeySignature,
     jsi::String notifPrekey,
     jsi::String notifPrekeySignature,
     jsi::Array contentOneTimeKeys,
     jsi::Array notifOneTimeKeys) {
   auto userIDRust = jsiStringToRustString(userID, rt);
   auto challengeResponseRust = jsiStringToRustString(challengeResponse, rt);
   auto keyPayloadRust = jsiStringToRustString(keyPayload, rt);
   auto keyPayloadSignatureRust = jsiStringToRustString(keyPayloadSignature, rt);
   auto contentPrekeyRust = jsiStringToRustString(contentPrekey, rt);
   auto contentPrekeySignatureRust =
       jsiStringToRustString(contentPrekeySignature, rt);
   auto notifPrekeyRust = jsiStringToRustString(notifPrekey, rt);
   auto notifPrekeySignatureRust =
       jsiStringToRustString(notifPrekeySignature, rt);
   auto contentOneTimeKeysRust = jsiStringArrayToRustVec(contentOneTimeKeys, rt);
   auto notifOneTimeKeysRust = jsiStringArrayToRustVec(notifOneTimeKeys, rt);
   return createPromiseAsJSIValue(
       rt, [=, this](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         std::string error;
         try {
           auto currentID = RustPromiseManager::instance.addPromise(
               {promise, this->jsInvoker_, innerRt});
           identityUploadSecondaryDeviceKeysAndLogIn(
               userIDRust,
               challengeResponseRust,
               keyPayloadRust,
               keyPayloadSignatureRust,
               contentPrekeyRust,
               contentPrekeySignatureRust,
               notifPrekeyRust,
               notifPrekeySignatureRust,
               contentOneTimeKeysRust,
               notifOneTimeKeysRust,
               currentID);
         } catch (const std::exception &e) {
           error = e.what();
         };
         if (!error.empty()) {
           this->jsInvoker_->invokeAsync(
               [error, promise]() { promise->reject(error); });
         }
       });
-  return jsi::Value::undefined();
+}
+
+jsi::Value CommRustModule::logInExistingDevice(
+    jsi::Runtime &rt,
+    jsi::String userID,
+    jsi::String deviceID,
+    jsi::String challengeResponse) {
+  auto userIDRust = jsiStringToRustString(userID, rt);
+  auto deviceIDRust = jsiStringToRustString(deviceID, rt);
+  auto challengeResponseRust = jsiStringToRustString(challengeResponse, rt);
+
+  return createPromiseAsJSIValue(
+      rt, [=, this](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
+        std::string error;
+        try {
+          auto currentID = RustPromiseManager::instance.addPromise(
+              {promise, this->jsInvoker_, innerRt});
+          identityLogInExistingDevice(
+              userIDRust, deviceIDRust, challengeResponseRust, currentID);
+        } catch (const std::exception &e) {
+          error = e.what();
+        };
+        if (!error.empty()) {
+          this->jsInvoker_->invokeAsync(
+              [error, promise]() { promise->reject(error); });
+        }
+      });
 }
 
 jsi::Value CommRustModule::findUserIDForWalletAddress(
     jsi::Runtime &rt,
     jsi::String walletAddress) {
   auto walletAddressRust = jsiStringToRustString(walletAddress, rt);
   return createPromiseAsJSIValue(
       rt, [=, this](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         std::string error;
         try {
           auto currentID = RustPromiseManager::instance.addPromise(
               {promise, this->jsInvoker_, innerRt});
           identityFindUserIDForWalletAddress(walletAddressRust, currentID);
         } catch (const std::exception &e) {
           error = e.what();
         };
         if (!error.empty()) {
           this->jsInvoker_->invokeAsync(
               [error, promise]() { promise->reject(error); });
         }
       });
 }
 
 jsi::Value
 CommRustModule::findUserIDForUsername(jsi::Runtime &rt, jsi::String username) {
   auto usernameRust = jsiStringToRustString(username, rt);
   return createPromiseAsJSIValue(
       rt, [=, this](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         std::string error;
         try {
           auto currentID = RustPromiseManager::instance.addPromise(
               {promise, this->jsInvoker_, innerRt});
           identityFindUserIDForUsername(usernameRust, currentID);
         } catch (const std::exception &e) {
           error = e.what();
         };
         if (!error.empty()) {
           this->jsInvoker_->invokeAsync(
               [error, promise]() { promise->reject(error); });
         }
       });
 }
 
 jsi::Value
 CommRustModule::getFarcasterUsers(jsi::Runtime &rt, jsi::Array farcasterIDs) {
   auto farcasterIDsRust = jsiStringArrayToRustVec(farcasterIDs, rt);
   return createPromiseAsJSIValue(
       rt, [=, this](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         std::string error;
         try {
           auto currentID = RustPromiseManager::instance.addPromise(
               {promise, this->jsInvoker_, innerRt});
           identityGetFarcasterUsers(farcasterIDsRust, currentID);
         } catch (const std::exception &e) {
           error = e.what();
         };
         if (!error.empty()) {
           this->jsInvoker_->invokeAsync(
               [error, promise]() { promise->reject(error); });
         }
       });
 }
 
 jsi::Value CommRustModule::linkFarcasterAccount(
     jsi::Runtime &rt,
     jsi::String userID,
     jsi::String deviceID,
     jsi::String accessToken,
     jsi::String farcasterID) {
   auto userIDRust = jsiStringToRustString(userID, rt);
   auto deviceIDRust = jsiStringToRustString(deviceID, rt);
   auto accessTokenRust = jsiStringToRustString(accessToken, rt);
   auto farcasterIDRust = jsiStringToRustString(farcasterID, rt);
   return createPromiseAsJSIValue(
       rt, [=, this](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         std::string error;
         try {
           auto currentID = RustPromiseManager::instance.addPromise(
               {promise, this->jsInvoker_, innerRt});
           identityLinkFarcasterAccount(
               userIDRust,
               deviceIDRust,
               accessTokenRust,
               farcasterIDRust,
               currentID);
         } catch (const std::exception &e) {
           error = e.what();
         };
         if (!error.empty()) {
           this->jsInvoker_->invokeAsync(
               [error, promise]() { promise->reject(error); });
         }
       });
 }
 
 jsi::Value CommRustModule::unlinkFarcasterAccount(
     jsi::Runtime &rt,
     jsi::String userID,
     jsi::String deviceID,
     jsi::String accessToken) {
   auto userIDRust = jsiStringToRustString(userID, rt);
   auto deviceIDRust = jsiStringToRustString(deviceID, rt);
   auto accessTokenRust = jsiStringToRustString(accessToken, rt);
   return createPromiseAsJSIValue(
       rt, [=, this](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         std::string error;
         try {
           auto currentID = RustPromiseManager::instance.addPromise(
               {promise, this->jsInvoker_, innerRt});
           identityUnlinkFarcasterAccount(
               userIDRust, deviceIDRust, accessTokenRust, currentID);
         } catch (const std::exception &e) {
           error = e.what();
         };
         if (!error.empty()) {
           this->jsInvoker_->invokeAsync(
               [error, promise]() { promise->reject(error); });
         }
       });
 }
 
 } // namespace comm
diff --git a/native/cpp/CommonCpp/NativeModules/CommRustModule.h b/native/cpp/CommonCpp/NativeModules/CommRustModule.h
index eaae9487e..5f3171816 100644
--- a/native/cpp/CommonCpp/NativeModules/CommRustModule.h
+++ b/native/cpp/CommonCpp/NativeModules/CommRustModule.h
@@ -1,151 +1,156 @@
 #pragma once
 
 #include "../_generated/rustJSI.h"
 
 #include <ReactCommon/TurboModuleUtils.h>
 #include <jsi/jsi.h>
 #include <memory>
 
 namespace comm {
 
 namespace jsi = facebook::jsi;
 
 class CommRustModule : public facebook::react::CommRustModuleSchemaCxxSpecJSI {
   virtual jsi::Value generateNonce(jsi::Runtime &rt) override;
   virtual jsi::Value registerPasswordUser(
       jsi::Runtime &rt,
       jsi::String username,
       jsi::String password,
       jsi::String keyPayload,
       jsi::String keyPayloadSignature,
       jsi::String contentPrekey,
       jsi::String contentPrekeySignature,
       jsi::String notifPrekey,
       jsi::String notifPrekeySignature,
       jsi::Array contentOneTimeKeys,
       jsi::Array notifOneTimeKeys,
       jsi::String farcasterID) override;
   virtual jsi::Value logInPasswordUser(
       jsi::Runtime &rt,
       jsi::String username,
       jsi::String password,
       jsi::String keyPayload,
       jsi::String keyPayloadSignature,
       jsi::String contentPrekey,
       jsi::String contentPrekeySignature,
       jsi::String notifPrekey,
       jsi::String notifPrekeySignature) override;
   virtual jsi::Value registerWalletUser(
       jsi::Runtime &rt,
       jsi::String siweMessage,
       jsi::String siweSignature,
       jsi::String keyPayload,
       jsi::String keyPayloadSignature,
       jsi::String contentPrekey,
       jsi::String contentPrekeySignature,
       jsi::String notifPrekey,
       jsi::String notifPrekeySignature,
       jsi::Array contentOneTimeKeys,
       jsi::Array notifOneTimeKeys,
       jsi::String farcasterID) override;
   virtual jsi::Value logInWalletUser(
       jsi::Runtime &rt,
       jsi::String siweMessage,
       jsi::String siweSignature,
       jsi::String keyPayload,
       jsi::String keyPayloadSignature,
       jsi::String contentPrekey,
       jsi::String contentPrekeySignature,
       jsi::String notifPrekey,
       jsi::String notifPrekeySignature) override;
   virtual jsi::Value updatePassword(
       jsi::Runtime &rt,
       jsi::String userID,
       jsi::String deviceID,
       jsi::String accessToken,
       jsi::String password) override;
   virtual jsi::Value deleteUser(
       jsi::Runtime &rt,
       jsi::String userID,
       jsi::String deviceID,
       jsi::String accessToken) override;
   virtual jsi::Value logOut(
       jsi::Runtime &rt,
       jsi::String userID,
       jsi::String deviceID,
       jsi::String accessToken) override;
   virtual jsi::Value getOutboundKeysForUser(
       jsi::Runtime &rt,
       jsi::String authUserID,
       jsi::String authDeviceID,
       jsi::String authAccessToken,
       jsi::String userID) override;
   virtual jsi::Value getInboundKeysForUser(
       jsi::Runtime &rt,
       jsi::String authUserID,
       jsi::String authDeviceID,
       jsi::String authAccessToken,
       jsi::String userID) override;
   virtual jsi::Value versionSupported(jsi::Runtime &rt) override;
   virtual jsi::Value uploadOneTimeKeys(
       jsi::Runtime &rt,
       jsi::String authUserID,
       jsi::String authDeviceID,
       jsi::String authAccessToken,
       jsi::Array contentOneTimePreKeys,
       jsi::Array notifOneTimePreKeys) override;
   virtual jsi::Value getKeyserverKeys(
       jsi::Runtime &rt,
       jsi::String authUserID,
       jsi::String authDeviceID,
       jsi::String authAccessToken,
       jsi::String keyserverID) override;
   virtual jsi::Value getDeviceListForUser(
       jsi::Runtime &rt,
       jsi::String authUserID,
       jsi::String authDeviceID,
       jsi::String authAccessToken,
       jsi::String userID,
       std::optional<double> sinceTimestamp) override;
   virtual jsi::Value updateDeviceList(
       jsi::Runtime &rt,
       jsi::String authUserID,
       jsi::String authDeviceID,
       jsi::String authAccessToken,
       jsi::String updatePayload) override;
   virtual jsi::Value uploadSecondaryDeviceKeysAndLogIn(
       jsi::Runtime &rt,
       jsi::String userID,
       jsi::String challengeResponse,
       jsi::String keyPayload,
       jsi::String keyPayloadSignature,
       jsi::String contentPrekey,
       jsi::String contentPrekeySignature,
       jsi::String notifPrekey,
       jsi::String notifPrekeySignature,
       jsi::Array contentOneTimeKeys,
       jsi::Array notifOneTimeKeys) override;
+  virtual jsi::Value logInExistingDevice(
+      jsi::Runtime &rt,
+      jsi::String userID,
+      jsi::String deviceID,
+      jsi::String challengeResponse) override;
   virtual jsi::Value findUserIDForWalletAddress(
       jsi::Runtime &rt,
       jsi::String walletAddress) override;
   virtual jsi::Value
   findUserIDForUsername(jsi::Runtime &rt, jsi::String username) override;
   virtual jsi::Value
   getFarcasterUsers(jsi::Runtime &rt, jsi::Array farcasterIDs) override;
   virtual jsi::Value linkFarcasterAccount(
       jsi::Runtime &rt,
       jsi::String userID,
       jsi::String deviceID,
       jsi::String accessToken,
       jsi::String farcasterID) override;
   virtual jsi::Value unlinkFarcasterAccount(
       jsi::Runtime &rt,
       jsi::String userID,
       jsi::String deviceID,
       jsi::String accessToken) override;
 
 public:
   CommRustModule(std::shared_ptr<facebook::react::CallInvoker> jsInvoker);
 };
 
 } // namespace comm
diff --git a/native/cpp/CommonCpp/_generated/rustJSI-generated.cpp b/native/cpp/CommonCpp/_generated/rustJSI-generated.cpp
index 45b758040..8f402431c 100644
--- a/native/cpp/CommonCpp/_generated/rustJSI-generated.cpp
+++ b/native/cpp/CommonCpp/_generated/rustJSI-generated.cpp
@@ -1,106 +1,110 @@
 /**
  * This code was generated by [react-native-codegen](https://www.npmjs.com/package/react-native-codegen).
  *
  * Do not edit this file as changes may cause incorrect behavior and will be lost
  * once the code is regenerated.
  *
  * @generated by codegen project: GenerateModuleH.js
  */
 
 #include "rustJSI.h"
 
 namespace facebook {
 namespace react {
 
 static jsi::Value __hostFunction_CommRustModuleSchemaCxxSpecJSI_generateNonce(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
   return static_cast<CommRustModuleSchemaCxxSpecJSI *>(&turboModule)->generateNonce(rt);
 }
 static jsi::Value __hostFunction_CommRustModuleSchemaCxxSpecJSI_registerPasswordUser(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
   return static_cast<CommRustModuleSchemaCxxSpecJSI *>(&turboModule)->registerPasswordUser(rt, args[0].asString(rt), args[1].asString(rt), args[2].asString(rt), args[3].asString(rt), args[4].asString(rt), args[5].asString(rt), args[6].asString(rt), args[7].asString(rt), args[8].asObject(rt).asArray(rt), args[9].asObject(rt).asArray(rt), args[10].asString(rt));
 }
 static jsi::Value __hostFunction_CommRustModuleSchemaCxxSpecJSI_logInPasswordUser(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
   return static_cast<CommRustModuleSchemaCxxSpecJSI *>(&turboModule)->logInPasswordUser(rt, args[0].asString(rt), args[1].asString(rt), args[2].asString(rt), args[3].asString(rt), args[4].asString(rt), args[5].asString(rt), args[6].asString(rt), args[7].asString(rt));
 }
 static jsi::Value __hostFunction_CommRustModuleSchemaCxxSpecJSI_registerWalletUser(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
   return static_cast<CommRustModuleSchemaCxxSpecJSI *>(&turboModule)->registerWalletUser(rt, args[0].asString(rt), args[1].asString(rt), args[2].asString(rt), args[3].asString(rt), args[4].asString(rt), args[5].asString(rt), args[6].asString(rt), args[7].asString(rt), args[8].asObject(rt).asArray(rt), args[9].asObject(rt).asArray(rt), args[10].asString(rt));
 }
 static jsi::Value __hostFunction_CommRustModuleSchemaCxxSpecJSI_logInWalletUser(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
   return static_cast<CommRustModuleSchemaCxxSpecJSI *>(&turboModule)->logInWalletUser(rt, args[0].asString(rt), args[1].asString(rt), args[2].asString(rt), args[3].asString(rt), args[4].asString(rt), args[5].asString(rt), args[6].asString(rt), args[7].asString(rt));
 }
 static jsi::Value __hostFunction_CommRustModuleSchemaCxxSpecJSI_updatePassword(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
   return static_cast<CommRustModuleSchemaCxxSpecJSI *>(&turboModule)->updatePassword(rt, args[0].asString(rt), args[1].asString(rt), args[2].asString(rt), args[3].asString(rt));
 }
 static jsi::Value __hostFunction_CommRustModuleSchemaCxxSpecJSI_deleteUser(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
   return static_cast<CommRustModuleSchemaCxxSpecJSI *>(&turboModule)->deleteUser(rt, args[0].asString(rt), args[1].asString(rt), args[2].asString(rt));
 }
 static jsi::Value __hostFunction_CommRustModuleSchemaCxxSpecJSI_logOut(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
   return static_cast<CommRustModuleSchemaCxxSpecJSI *>(&turboModule)->logOut(rt, args[0].asString(rt), args[1].asString(rt), args[2].asString(rt));
 }
 static jsi::Value __hostFunction_CommRustModuleSchemaCxxSpecJSI_getOutboundKeysForUser(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
   return static_cast<CommRustModuleSchemaCxxSpecJSI *>(&turboModule)->getOutboundKeysForUser(rt, args[0].asString(rt), args[1].asString(rt), args[2].asString(rt), args[3].asString(rt));
 }
 static jsi::Value __hostFunction_CommRustModuleSchemaCxxSpecJSI_getInboundKeysForUser(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
   return static_cast<CommRustModuleSchemaCxxSpecJSI *>(&turboModule)->getInboundKeysForUser(rt, args[0].asString(rt), args[1].asString(rt), args[2].asString(rt), args[3].asString(rt));
 }
 static jsi::Value __hostFunction_CommRustModuleSchemaCxxSpecJSI_versionSupported(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
   return static_cast<CommRustModuleSchemaCxxSpecJSI *>(&turboModule)->versionSupported(rt);
 }
 static jsi::Value __hostFunction_CommRustModuleSchemaCxxSpecJSI_uploadOneTimeKeys(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
   return static_cast<CommRustModuleSchemaCxxSpecJSI *>(&turboModule)->uploadOneTimeKeys(rt, args[0].asString(rt), args[1].asString(rt), args[2].asString(rt), args[3].asObject(rt).asArray(rt), args[4].asObject(rt).asArray(rt));
 }
 static jsi::Value __hostFunction_CommRustModuleSchemaCxxSpecJSI_getKeyserverKeys(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
   return static_cast<CommRustModuleSchemaCxxSpecJSI *>(&turboModule)->getKeyserverKeys(rt, args[0].asString(rt), args[1].asString(rt), args[2].asString(rt), args[3].asString(rt));
 }
 static jsi::Value __hostFunction_CommRustModuleSchemaCxxSpecJSI_getDeviceListForUser(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
   return static_cast<CommRustModuleSchemaCxxSpecJSI *>(&turboModule)->getDeviceListForUser(rt, args[0].asString(rt), args[1].asString(rt), args[2].asString(rt), args[3].asString(rt), args[4].isNull() || args[4].isUndefined() ? std::nullopt : std::make_optional(args[4].asNumber()));
 }
 static jsi::Value __hostFunction_CommRustModuleSchemaCxxSpecJSI_updateDeviceList(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
   return static_cast<CommRustModuleSchemaCxxSpecJSI *>(&turboModule)->updateDeviceList(rt, args[0].asString(rt), args[1].asString(rt), args[2].asString(rt), args[3].asString(rt));
 }
 static jsi::Value __hostFunction_CommRustModuleSchemaCxxSpecJSI_uploadSecondaryDeviceKeysAndLogIn(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
   return static_cast<CommRustModuleSchemaCxxSpecJSI *>(&turboModule)->uploadSecondaryDeviceKeysAndLogIn(rt, args[0].asString(rt), args[1].asString(rt), args[2].asString(rt), args[3].asString(rt), args[4].asString(rt), args[5].asString(rt), args[6].asString(rt), args[7].asString(rt), args[8].asObject(rt).asArray(rt), args[9].asObject(rt).asArray(rt));
 }
+static jsi::Value __hostFunction_CommRustModuleSchemaCxxSpecJSI_logInExistingDevice(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
+  return static_cast<CommRustModuleSchemaCxxSpecJSI *>(&turboModule)->logInExistingDevice(rt, args[0].asString(rt), args[1].asString(rt), args[2].asString(rt));
+}
 static jsi::Value __hostFunction_CommRustModuleSchemaCxxSpecJSI_findUserIDForWalletAddress(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
   return static_cast<CommRustModuleSchemaCxxSpecJSI *>(&turboModule)->findUserIDForWalletAddress(rt, args[0].asString(rt));
 }
 static jsi::Value __hostFunction_CommRustModuleSchemaCxxSpecJSI_findUserIDForUsername(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
   return static_cast<CommRustModuleSchemaCxxSpecJSI *>(&turboModule)->findUserIDForUsername(rt, args[0].asString(rt));
 }
 static jsi::Value __hostFunction_CommRustModuleSchemaCxxSpecJSI_getFarcasterUsers(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
   return static_cast<CommRustModuleSchemaCxxSpecJSI *>(&turboModule)->getFarcasterUsers(rt, args[0].asObject(rt).asArray(rt));
 }
 static jsi::Value __hostFunction_CommRustModuleSchemaCxxSpecJSI_linkFarcasterAccount(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
   return static_cast<CommRustModuleSchemaCxxSpecJSI *>(&turboModule)->linkFarcasterAccount(rt, args[0].asString(rt), args[1].asString(rt), args[2].asString(rt), args[3].asString(rt));
 }
 static jsi::Value __hostFunction_CommRustModuleSchemaCxxSpecJSI_unlinkFarcasterAccount(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
   return static_cast<CommRustModuleSchemaCxxSpecJSI *>(&turboModule)->unlinkFarcasterAccount(rt, args[0].asString(rt), args[1].asString(rt), args[2].asString(rt));
 }
 
 CommRustModuleSchemaCxxSpecJSI::CommRustModuleSchemaCxxSpecJSI(std::shared_ptr<CallInvoker> jsInvoker)
   : TurboModule("CommRustTurboModule", jsInvoker) {
   methodMap_["generateNonce"] = MethodMetadata {0, __hostFunction_CommRustModuleSchemaCxxSpecJSI_generateNonce};
   methodMap_["registerPasswordUser"] = MethodMetadata {11, __hostFunction_CommRustModuleSchemaCxxSpecJSI_registerPasswordUser};
   methodMap_["logInPasswordUser"] = MethodMetadata {8, __hostFunction_CommRustModuleSchemaCxxSpecJSI_logInPasswordUser};
   methodMap_["registerWalletUser"] = MethodMetadata {11, __hostFunction_CommRustModuleSchemaCxxSpecJSI_registerWalletUser};
   methodMap_["logInWalletUser"] = MethodMetadata {8, __hostFunction_CommRustModuleSchemaCxxSpecJSI_logInWalletUser};
   methodMap_["updatePassword"] = MethodMetadata {4, __hostFunction_CommRustModuleSchemaCxxSpecJSI_updatePassword};
   methodMap_["deleteUser"] = MethodMetadata {3, __hostFunction_CommRustModuleSchemaCxxSpecJSI_deleteUser};
   methodMap_["logOut"] = MethodMetadata {3, __hostFunction_CommRustModuleSchemaCxxSpecJSI_logOut};
   methodMap_["getOutboundKeysForUser"] = MethodMetadata {4, __hostFunction_CommRustModuleSchemaCxxSpecJSI_getOutboundKeysForUser};
   methodMap_["getInboundKeysForUser"] = MethodMetadata {4, __hostFunction_CommRustModuleSchemaCxxSpecJSI_getInboundKeysForUser};
   methodMap_["versionSupported"] = MethodMetadata {0, __hostFunction_CommRustModuleSchemaCxxSpecJSI_versionSupported};
   methodMap_["uploadOneTimeKeys"] = MethodMetadata {5, __hostFunction_CommRustModuleSchemaCxxSpecJSI_uploadOneTimeKeys};
   methodMap_["getKeyserverKeys"] = MethodMetadata {4, __hostFunction_CommRustModuleSchemaCxxSpecJSI_getKeyserverKeys};
   methodMap_["getDeviceListForUser"] = MethodMetadata {5, __hostFunction_CommRustModuleSchemaCxxSpecJSI_getDeviceListForUser};
   methodMap_["updateDeviceList"] = MethodMetadata {4, __hostFunction_CommRustModuleSchemaCxxSpecJSI_updateDeviceList};
   methodMap_["uploadSecondaryDeviceKeysAndLogIn"] = MethodMetadata {10, __hostFunction_CommRustModuleSchemaCxxSpecJSI_uploadSecondaryDeviceKeysAndLogIn};
+  methodMap_["logInExistingDevice"] = MethodMetadata {3, __hostFunction_CommRustModuleSchemaCxxSpecJSI_logInExistingDevice};
   methodMap_["findUserIDForWalletAddress"] = MethodMetadata {1, __hostFunction_CommRustModuleSchemaCxxSpecJSI_findUserIDForWalletAddress};
   methodMap_["findUserIDForUsername"] = MethodMetadata {1, __hostFunction_CommRustModuleSchemaCxxSpecJSI_findUserIDForUsername};
   methodMap_["getFarcasterUsers"] = MethodMetadata {1, __hostFunction_CommRustModuleSchemaCxxSpecJSI_getFarcasterUsers};
   methodMap_["linkFarcasterAccount"] = MethodMetadata {4, __hostFunction_CommRustModuleSchemaCxxSpecJSI_linkFarcasterAccount};
   methodMap_["unlinkFarcasterAccount"] = MethodMetadata {3, __hostFunction_CommRustModuleSchemaCxxSpecJSI_unlinkFarcasterAccount};
 }
 
 
 } // namespace react
 } // namespace facebook
diff --git a/native/cpp/CommonCpp/_generated/rustJSI.h b/native/cpp/CommonCpp/_generated/rustJSI.h
index cd57f294f..5d9c97c66 100644
--- a/native/cpp/CommonCpp/_generated/rustJSI.h
+++ b/native/cpp/CommonCpp/_generated/rustJSI.h
@@ -1,242 +1,251 @@
 /**
  * This code was generated by [react-native-codegen](https://www.npmjs.com/package/react-native-codegen).
  *
  * Do not edit this file as changes may cause incorrect behavior and will be lost
  * once the code is regenerated.
  *
  * @generated by codegen project: GenerateModuleH.js
  */
 
 #pragma once
 
 #include <ReactCommon/TurboModule.h>
 #include <react/bridging/Bridging.h>
 
 namespace facebook {
 namespace react {
 
 class JSI_EXPORT CommRustModuleSchemaCxxSpecJSI : public TurboModule {
 protected:
   CommRustModuleSchemaCxxSpecJSI(std::shared_ptr<CallInvoker> jsInvoker);
 
 public:
   virtual jsi::Value generateNonce(jsi::Runtime &rt) = 0;
   virtual jsi::Value registerPasswordUser(jsi::Runtime &rt, jsi::String username, jsi::String password, jsi::String keyPayload, jsi::String keyPayloadSignature, jsi::String contentPrekey, jsi::String contentPrekeySignature, jsi::String notifPrekey, jsi::String notifPrekeySignature, jsi::Array contentOneTimeKeys, jsi::Array notifOneTimeKeys, jsi::String farcasterID) = 0;
   virtual jsi::Value logInPasswordUser(jsi::Runtime &rt, jsi::String username, jsi::String password, jsi::String keyPayload, jsi::String keyPayloadSignature, jsi::String contentPrekey, jsi::String contentPrekeySignature, jsi::String notifPrekey, jsi::String notifPrekeySignature) = 0;
   virtual jsi::Value registerWalletUser(jsi::Runtime &rt, jsi::String siweMessage, jsi::String siweSignature, jsi::String keyPayload, jsi::String keyPayloadSignature, jsi::String contentPrekey, jsi::String contentPrekeySignature, jsi::String notifPrekey, jsi::String notifPrekeySignature, jsi::Array contentOneTimeKeys, jsi::Array notifOneTimeKeys, jsi::String farcasterID) = 0;
   virtual jsi::Value logInWalletUser(jsi::Runtime &rt, jsi::String siweMessage, jsi::String siweSignature, jsi::String keyPayload, jsi::String keyPayloadSignature, jsi::String contentPrekey, jsi::String contentPrekeySignature, jsi::String notifPrekey, jsi::String notifPrekeySignature) = 0;
   virtual jsi::Value updatePassword(jsi::Runtime &rt, jsi::String userID, jsi::String deviceID, jsi::String accessToken, jsi::String password) = 0;
   virtual jsi::Value deleteUser(jsi::Runtime &rt, jsi::String userID, jsi::String deviceID, jsi::String accessToken) = 0;
   virtual jsi::Value logOut(jsi::Runtime &rt, jsi::String userID, jsi::String deviceID, jsi::String accessToken) = 0;
   virtual jsi::Value getOutboundKeysForUser(jsi::Runtime &rt, jsi::String authUserID, jsi::String authDeviceID, jsi::String authAccessToken, jsi::String userID) = 0;
   virtual jsi::Value getInboundKeysForUser(jsi::Runtime &rt, jsi::String authUserID, jsi::String authDeviceID, jsi::String authAccessToken, jsi::String userID) = 0;
   virtual jsi::Value versionSupported(jsi::Runtime &rt) = 0;
   virtual jsi::Value uploadOneTimeKeys(jsi::Runtime &rt, jsi::String authUserID, jsi::String authDeviceID, jsi::String authAccessToken, jsi::Array contentOneTimePreKeys, jsi::Array notifOneTimePreKeys) = 0;
   virtual jsi::Value getKeyserverKeys(jsi::Runtime &rt, jsi::String authUserID, jsi::String authDeviceID, jsi::String authAccessToken, jsi::String keyserverID) = 0;
   virtual jsi::Value getDeviceListForUser(jsi::Runtime &rt, jsi::String authUserID, jsi::String authDeviceID, jsi::String authAccessToken, jsi::String userID, std::optional<double> sinceTimestamp) = 0;
   virtual jsi::Value updateDeviceList(jsi::Runtime &rt, jsi::String authUserID, jsi::String authDeviceID, jsi::String authAccessToken, jsi::String updatePayload) = 0;
   virtual jsi::Value uploadSecondaryDeviceKeysAndLogIn(jsi::Runtime &rt, jsi::String userID, jsi::String challengeResponse, jsi::String keyPayload, jsi::String keyPayloadSignature, jsi::String contentPrekey, jsi::String contentPrekeySignature, jsi::String notifPrekey, jsi::String notifPrekeySignature, jsi::Array contentOneTimeKeys, jsi::Array notifOneTimeKeys) = 0;
+  virtual jsi::Value logInExistingDevice(jsi::Runtime &rt, jsi::String userID, jsi::String deviceID, jsi::String challengeResponse) = 0;
   virtual jsi::Value findUserIDForWalletAddress(jsi::Runtime &rt, jsi::String walletAddress) = 0;
   virtual jsi::Value findUserIDForUsername(jsi::Runtime &rt, jsi::String username) = 0;
   virtual jsi::Value getFarcasterUsers(jsi::Runtime &rt, jsi::Array farcasterIDs) = 0;
   virtual jsi::Value linkFarcasterAccount(jsi::Runtime &rt, jsi::String userID, jsi::String deviceID, jsi::String accessToken, jsi::String farcasterID) = 0;
   virtual jsi::Value unlinkFarcasterAccount(jsi::Runtime &rt, jsi::String userID, jsi::String deviceID, jsi::String accessToken) = 0;
 
 };
 
 template <typename T>
 class JSI_EXPORT CommRustModuleSchemaCxxSpec : public TurboModule {
 public:
   jsi::Value get(jsi::Runtime &rt, const jsi::PropNameID &propName) override {
     return delegate_.get(rt, propName);
   }
 
 protected:
   CommRustModuleSchemaCxxSpec(std::shared_ptr<CallInvoker> jsInvoker)
     : TurboModule("CommRustTurboModule", jsInvoker),
       delegate_(static_cast<T*>(this), jsInvoker) {}
 
 private:
   class Delegate : public CommRustModuleSchemaCxxSpecJSI {
   public:
     Delegate(T *instance, std::shared_ptr<CallInvoker> jsInvoker) :
       CommRustModuleSchemaCxxSpecJSI(std::move(jsInvoker)), instance_(instance) {}
 
     jsi::Value generateNonce(jsi::Runtime &rt) override {
       static_assert(
           bridging::getParameterCount(&T::generateNonce) == 1,
           "Expected generateNonce(...) to have 1 parameters");
 
       return bridging::callFromJs<jsi::Value>(
           rt, &T::generateNonce, jsInvoker_, instance_);
     }
     jsi::Value registerPasswordUser(jsi::Runtime &rt, jsi::String username, jsi::String password, jsi::String keyPayload, jsi::String keyPayloadSignature, jsi::String contentPrekey, jsi::String contentPrekeySignature, jsi::String notifPrekey, jsi::String notifPrekeySignature, jsi::Array contentOneTimeKeys, jsi::Array notifOneTimeKeys, jsi::String farcasterID) override {
       static_assert(
           bridging::getParameterCount(&T::registerPasswordUser) == 12,
           "Expected registerPasswordUser(...) to have 12 parameters");
 
       return bridging::callFromJs<jsi::Value>(
           rt, &T::registerPasswordUser, jsInvoker_, instance_, std::move(username), std::move(password), std::move(keyPayload), std::move(keyPayloadSignature), std::move(contentPrekey), std::move(contentPrekeySignature), std::move(notifPrekey), std::move(notifPrekeySignature), std::move(contentOneTimeKeys), std::move(notifOneTimeKeys), std::move(farcasterID));
     }
     jsi::Value logInPasswordUser(jsi::Runtime &rt, jsi::String username, jsi::String password, jsi::String keyPayload, jsi::String keyPayloadSignature, jsi::String contentPrekey, jsi::String contentPrekeySignature, jsi::String notifPrekey, jsi::String notifPrekeySignature) override {
       static_assert(
           bridging::getParameterCount(&T::logInPasswordUser) == 9,
           "Expected logInPasswordUser(...) to have 9 parameters");
 
       return bridging::callFromJs<jsi::Value>(
           rt, &T::logInPasswordUser, jsInvoker_, instance_, std::move(username), std::move(password), std::move(keyPayload), std::move(keyPayloadSignature), std::move(contentPrekey), std::move(contentPrekeySignature), std::move(notifPrekey), std::move(notifPrekeySignature));
     }
     jsi::Value registerWalletUser(jsi::Runtime &rt, jsi::String siweMessage, jsi::String siweSignature, jsi::String keyPayload, jsi::String keyPayloadSignature, jsi::String contentPrekey, jsi::String contentPrekeySignature, jsi::String notifPrekey, jsi::String notifPrekeySignature, jsi::Array contentOneTimeKeys, jsi::Array notifOneTimeKeys, jsi::String farcasterID) override {
       static_assert(
           bridging::getParameterCount(&T::registerWalletUser) == 12,
           "Expected registerWalletUser(...) to have 12 parameters");
 
       return bridging::callFromJs<jsi::Value>(
           rt, &T::registerWalletUser, jsInvoker_, instance_, std::move(siweMessage), std::move(siweSignature), std::move(keyPayload), std::move(keyPayloadSignature), std::move(contentPrekey), std::move(contentPrekeySignature), std::move(notifPrekey), std::move(notifPrekeySignature), std::move(contentOneTimeKeys), std::move(notifOneTimeKeys), std::move(farcasterID));
     }
     jsi::Value logInWalletUser(jsi::Runtime &rt, jsi::String siweMessage, jsi::String siweSignature, jsi::String keyPayload, jsi::String keyPayloadSignature, jsi::String contentPrekey, jsi::String contentPrekeySignature, jsi::String notifPrekey, jsi::String notifPrekeySignature) override {
       static_assert(
           bridging::getParameterCount(&T::logInWalletUser) == 9,
           "Expected logInWalletUser(...) to have 9 parameters");
 
       return bridging::callFromJs<jsi::Value>(
           rt, &T::logInWalletUser, jsInvoker_, instance_, std::move(siweMessage), std::move(siweSignature), std::move(keyPayload), std::move(keyPayloadSignature), std::move(contentPrekey), std::move(contentPrekeySignature), std::move(notifPrekey), std::move(notifPrekeySignature));
     }
     jsi::Value updatePassword(jsi::Runtime &rt, jsi::String userID, jsi::String deviceID, jsi::String accessToken, jsi::String password) override {
       static_assert(
           bridging::getParameterCount(&T::updatePassword) == 5,
           "Expected updatePassword(...) to have 5 parameters");
 
       return bridging::callFromJs<jsi::Value>(
           rt, &T::updatePassword, jsInvoker_, instance_, std::move(userID), std::move(deviceID), std::move(accessToken), std::move(password));
     }
     jsi::Value deleteUser(jsi::Runtime &rt, jsi::String userID, jsi::String deviceID, jsi::String accessToken) override {
       static_assert(
           bridging::getParameterCount(&T::deleteUser) == 4,
           "Expected deleteUser(...) to have 4 parameters");
 
       return bridging::callFromJs<jsi::Value>(
           rt, &T::deleteUser, jsInvoker_, instance_, std::move(userID), std::move(deviceID), std::move(accessToken));
     }
     jsi::Value logOut(jsi::Runtime &rt, jsi::String userID, jsi::String deviceID, jsi::String accessToken) override {
       static_assert(
           bridging::getParameterCount(&T::logOut) == 4,
           "Expected logOut(...) to have 4 parameters");
 
       return bridging::callFromJs<jsi::Value>(
           rt, &T::logOut, jsInvoker_, instance_, std::move(userID), std::move(deviceID), std::move(accessToken));
     }
     jsi::Value getOutboundKeysForUser(jsi::Runtime &rt, jsi::String authUserID, jsi::String authDeviceID, jsi::String authAccessToken, jsi::String userID) override {
       static_assert(
           bridging::getParameterCount(&T::getOutboundKeysForUser) == 5,
           "Expected getOutboundKeysForUser(...) to have 5 parameters");
 
       return bridging::callFromJs<jsi::Value>(
           rt, &T::getOutboundKeysForUser, jsInvoker_, instance_, std::move(authUserID), std::move(authDeviceID), std::move(authAccessToken), std::move(userID));
     }
     jsi::Value getInboundKeysForUser(jsi::Runtime &rt, jsi::String authUserID, jsi::String authDeviceID, jsi::String authAccessToken, jsi::String userID) override {
       static_assert(
           bridging::getParameterCount(&T::getInboundKeysForUser) == 5,
           "Expected getInboundKeysForUser(...) to have 5 parameters");
 
       return bridging::callFromJs<jsi::Value>(
           rt, &T::getInboundKeysForUser, jsInvoker_, instance_, std::move(authUserID), std::move(authDeviceID), std::move(authAccessToken), std::move(userID));
     }
     jsi::Value versionSupported(jsi::Runtime &rt) override {
       static_assert(
           bridging::getParameterCount(&T::versionSupported) == 1,
           "Expected versionSupported(...) to have 1 parameters");
 
       return bridging::callFromJs<jsi::Value>(
           rt, &T::versionSupported, jsInvoker_, instance_);
     }
     jsi::Value uploadOneTimeKeys(jsi::Runtime &rt, jsi::String authUserID, jsi::String authDeviceID, jsi::String authAccessToken, jsi::Array contentOneTimePreKeys, jsi::Array notifOneTimePreKeys) override {
       static_assert(
           bridging::getParameterCount(&T::uploadOneTimeKeys) == 6,
           "Expected uploadOneTimeKeys(...) to have 6 parameters");
 
       return bridging::callFromJs<jsi::Value>(
           rt, &T::uploadOneTimeKeys, jsInvoker_, instance_, std::move(authUserID), std::move(authDeviceID), std::move(authAccessToken), std::move(contentOneTimePreKeys), std::move(notifOneTimePreKeys));
     }
     jsi::Value getKeyserverKeys(jsi::Runtime &rt, jsi::String authUserID, jsi::String authDeviceID, jsi::String authAccessToken, jsi::String keyserverID) override {
       static_assert(
           bridging::getParameterCount(&T::getKeyserverKeys) == 5,
           "Expected getKeyserverKeys(...) to have 5 parameters");
 
       return bridging::callFromJs<jsi::Value>(
           rt, &T::getKeyserverKeys, jsInvoker_, instance_, std::move(authUserID), std::move(authDeviceID), std::move(authAccessToken), std::move(keyserverID));
     }
     jsi::Value getDeviceListForUser(jsi::Runtime &rt, jsi::String authUserID, jsi::String authDeviceID, jsi::String authAccessToken, jsi::String userID, std::optional<double> sinceTimestamp) override {
       static_assert(
           bridging::getParameterCount(&T::getDeviceListForUser) == 6,
           "Expected getDeviceListForUser(...) to have 6 parameters");
 
       return bridging::callFromJs<jsi::Value>(
           rt, &T::getDeviceListForUser, jsInvoker_, instance_, std::move(authUserID), std::move(authDeviceID), std::move(authAccessToken), std::move(userID), std::move(sinceTimestamp));
     }
     jsi::Value updateDeviceList(jsi::Runtime &rt, jsi::String authUserID, jsi::String authDeviceID, jsi::String authAccessToken, jsi::String updatePayload) override {
       static_assert(
           bridging::getParameterCount(&T::updateDeviceList) == 5,
           "Expected updateDeviceList(...) to have 5 parameters");
 
       return bridging::callFromJs<jsi::Value>(
           rt, &T::updateDeviceList, jsInvoker_, instance_, std::move(authUserID), std::move(authDeviceID), std::move(authAccessToken), std::move(updatePayload));
     }
     jsi::Value uploadSecondaryDeviceKeysAndLogIn(jsi::Runtime &rt, jsi::String userID, jsi::String challengeResponse, jsi::String keyPayload, jsi::String keyPayloadSignature, jsi::String contentPrekey, jsi::String contentPrekeySignature, jsi::String notifPrekey, jsi::String notifPrekeySignature, jsi::Array contentOneTimeKeys, jsi::Array notifOneTimeKeys) override {
       static_assert(
           bridging::getParameterCount(&T::uploadSecondaryDeviceKeysAndLogIn) == 11,
           "Expected uploadSecondaryDeviceKeysAndLogIn(...) to have 11 parameters");
 
       return bridging::callFromJs<jsi::Value>(
           rt, &T::uploadSecondaryDeviceKeysAndLogIn, jsInvoker_, instance_, std::move(userID), std::move(challengeResponse), std::move(keyPayload), std::move(keyPayloadSignature), std::move(contentPrekey), std::move(contentPrekeySignature), std::move(notifPrekey), std::move(notifPrekeySignature), std::move(contentOneTimeKeys), std::move(notifOneTimeKeys));
     }
+    jsi::Value logInExistingDevice(jsi::Runtime &rt, jsi::String userID, jsi::String deviceID, jsi::String challengeResponse) override {
+      static_assert(
+          bridging::getParameterCount(&T::logInExistingDevice) == 4,
+          "Expected logInExistingDevice(...) to have 4 parameters");
+
+      return bridging::callFromJs<jsi::Value>(
+          rt, &T::logInExistingDevice, jsInvoker_, instance_, std::move(userID), std::move(deviceID), std::move(challengeResponse));
+    }
     jsi::Value findUserIDForWalletAddress(jsi::Runtime &rt, jsi::String walletAddress) override {
       static_assert(
           bridging::getParameterCount(&T::findUserIDForWalletAddress) == 2,
           "Expected findUserIDForWalletAddress(...) to have 2 parameters");
 
       return bridging::callFromJs<jsi::Value>(
           rt, &T::findUserIDForWalletAddress, jsInvoker_, instance_, std::move(walletAddress));
     }
     jsi::Value findUserIDForUsername(jsi::Runtime &rt, jsi::String username) override {
       static_assert(
           bridging::getParameterCount(&T::findUserIDForUsername) == 2,
           "Expected findUserIDForUsername(...) to have 2 parameters");
 
       return bridging::callFromJs<jsi::Value>(
           rt, &T::findUserIDForUsername, jsInvoker_, instance_, std::move(username));
     }
     jsi::Value getFarcasterUsers(jsi::Runtime &rt, jsi::Array farcasterIDs) override {
       static_assert(
           bridging::getParameterCount(&T::getFarcasterUsers) == 2,
           "Expected getFarcasterUsers(...) to have 2 parameters");
 
       return bridging::callFromJs<jsi::Value>(
           rt, &T::getFarcasterUsers, jsInvoker_, instance_, std::move(farcasterIDs));
     }
     jsi::Value linkFarcasterAccount(jsi::Runtime &rt, jsi::String userID, jsi::String deviceID, jsi::String accessToken, jsi::String farcasterID) override {
       static_assert(
           bridging::getParameterCount(&T::linkFarcasterAccount) == 5,
           "Expected linkFarcasterAccount(...) to have 5 parameters");
 
       return bridging::callFromJs<jsi::Value>(
           rt, &T::linkFarcasterAccount, jsInvoker_, instance_, std::move(userID), std::move(deviceID), std::move(accessToken), std::move(farcasterID));
     }
     jsi::Value unlinkFarcasterAccount(jsi::Runtime &rt, jsi::String userID, jsi::String deviceID, jsi::String accessToken) override {
       static_assert(
           bridging::getParameterCount(&T::unlinkFarcasterAccount) == 4,
           "Expected unlinkFarcasterAccount(...) to have 4 parameters");
 
       return bridging::callFromJs<jsi::Value>(
           rt, &T::unlinkFarcasterAccount, jsInvoker_, instance_, std::move(userID), std::move(deviceID), std::move(accessToken));
     }
 
   private:
     T *instance_;
   };
 
   Delegate delegate_;
 };
 
 } // namespace react
 } // namespace facebook
diff --git a/native/schema/CommRustModuleSchema.js b/native/schema/CommRustModuleSchema.js
index 7987ee8ee..288d941c2 100644
--- a/native/schema/CommRustModuleSchema.js
+++ b/native/schema/CommRustModuleSchema.js
@@ -1,141 +1,146 @@
 // @flow
 
 'use strict';
 
 import { TurboModuleRegistry } from 'react-native';
 import type { TurboModule } from 'react-native/Libraries/TurboModule/RCTExport.js';
 
 export interface Spec extends TurboModule {
   +generateNonce: () => Promise<string>;
   +registerPasswordUser: (
     username: string,
     password: string,
     keyPayload: string,
     keyPayloadSignature: string,
     contentPrekey: string,
     contentPrekeySignature: string,
     notifPrekey: string,
     notifPrekeySignature: string,
     contentOneTimeKeys: $ReadOnlyArray<string>,
     notifOneTimeKeys: $ReadOnlyArray<string>,
     farcasterID: string,
   ) => Promise<string>;
   +logInPasswordUser: (
     username: string,
     password: string,
     keyPayload: string,
     keyPayloadSignature: string,
     contentPrekey: string,
     contentPrekeySignature: string,
     notifPrekey: string,
     notifPrekeySignature: string,
   ) => Promise<string>;
   +registerWalletUser: (
     siweMessage: string,
     siweSignature: string,
     keyPayload: string,
     keyPayloadSignature: string,
     contentPrekey: string,
     contentPrekeySignature: string,
     notifPrekey: string,
     notifPrekeySignature: string,
     contentOneTimeKeys: $ReadOnlyArray<string>,
     notifOneTimeKeys: $ReadOnlyArray<string>,
     farcasterID: string,
   ) => Promise<string>;
   +logInWalletUser: (
     siweMessage: string,
     siweSignature: string,
     keyPayload: string,
     keyPayloadSignature: string,
     contentPrekey: string,
     contentPrekeySignature: string,
     notifPrekey: string,
     notifPrekeySignature: string,
   ) => Promise<string>;
   +updatePassword: (
     userID: string,
     deviceID: string,
     accessToken: string,
     password: string,
   ) => Promise<void>;
   +deleteUser: (
     userID: string,
     deviceID: string,
     accessToken: string,
   ) => Promise<void>;
   +logOut: (
     userID: string,
     deviceID: string,
     accessToken: string,
   ) => Promise<void>;
   +getOutboundKeysForUser: (
     authUserID: string,
     authDeviceID: string,
     authAccessToken: string,
     userID: string,
   ) => Promise<string>;
   +getInboundKeysForUser: (
     authUserID: string,
     authDeviceID: string,
     authAccessToken: string,
     userID: string,
   ) => Promise<string>;
   +versionSupported: () => Promise<boolean>;
   +uploadOneTimeKeys: (
     authUserID: string,
     authDeviceID: string,
     authAccessToken: string,
     contentOneTimePreKeys: $ReadOnlyArray<string>,
     notifOneTimePreKeys: $ReadOnlyArray<string>,
   ) => Promise<void>;
   +getKeyserverKeys: (
     authUserID: string,
     authDeviceID: string,
     authAccessToken: string,
     keyserverID: string,
   ) => Promise<string>;
   +getDeviceListForUser: (
     authUserID: string,
     authDeviceID: string,
     authAccessToken: string,
     userID: string,
     sinceTimestamp: ?number,
   ) => Promise<string>;
   +updateDeviceList: (
     authUserID: string,
     authDeviceID: string,
     authAccessToken: string,
     updatePayload: string,
   ) => Promise<void>;
   +uploadSecondaryDeviceKeysAndLogIn: (
     userID: string,
     challengeResponse: string,
     keyPayload: string,
     keyPayloadSignature: string,
     contentPrekey: string,
     contentPrekeySignature: string,
     notifPrekey: string,
     notifPrekeySignature: string,
     contentOneTimeKeys: $ReadOnlyArray<string>,
     notifOneTimeKeys: $ReadOnlyArray<string>,
   ) => Promise<string>;
+  +logInExistingDevice: (
+    userID: string,
+    deviceID: string,
+    challengeResponse: string,
+  ) => Promise<string>;
   +findUserIDForWalletAddress: (walletAddress: string) => Promise<string>;
   +findUserIDForUsername: (username: string) => Promise<string>;
   +getFarcasterUsers: (farcasterIDs: $ReadOnlyArray<string>) => Promise<string>;
   +linkFarcasterAccount: (
     userID: string,
     deviceID: string,
     accessToken: string,
     farcasterID: string,
   ) => Promise<void>;
   +unlinkFarcasterAccount: (
     userID: string,
     deviceID: string,
     accessToken: string,
   ) => Promise<void>;
 }
 
 export default (TurboModuleRegistry.getEnforcing<Spec>(
   'CommRustTurboModule',
 ): Spec);