diff --git a/native/account/registration/registration-server-call.js b/native/account/registration/registration-server-call.js
index 28733b2cc..625ccfd38 100644
--- a/native/account/registration/registration-server-call.js
+++ b/native/account/registration/registration-server-call.js
@@ -1,297 +1,316 @@
 // @flow
 
 import * as React from 'react';
 
 import { setDataLoadedActionType } from 'lib/actions/client-db-store-actions.js';
 import {
   keyserverRegisterActionTypes,
   keyserverRegister,
   useIdentityPasswordRegister,
   identityRegisterActionTypes,
 } from 'lib/actions/user-actions.js';
 import type { LogInStartingPayload } from 'lib/types/account-types.js';
 import { useLegacyAshoatKeyserverCall } from 'lib/utils/action-utils.js';
 import { useDispatchActionPromise } from 'lib/utils/redux-promise-utils.js';
 import { useDispatch } from 'lib/utils/redux-utils.js';
 import { usingCommServicesAccessToken } from 'lib/utils/services-utils.js';
 import { setURLPrefix } from 'lib/utils/url-utils.js';
 
 import type {
   RegistrationServerCallInput,
   UsernameAccountSelection,
   AvatarData,
 } from './registration-types.js';
 import {
   useNativeSetUserAvatar,
   useUploadSelectedMedia,
 } from '../../avatars/avatar-hooks.js';
 import { useSelector } from '../../redux/redux-utils.js';
 import { nativeLogInExtraInfoSelector } from '../../selectors/account-selectors.js';
 import {
   AppOutOfDateAlertDetails,
   UsernameReservedAlertDetails,
   UsernameTakenAlertDetails,
   UnknownErrorAlertDetails,
 } from '../../utils/alert-messages.js';
 import Alert from '../../utils/alert.js';
 import { setNativeCredentials } from '../native-credentials.js';
-import { useLegacySIWEServerCall } from '../siwe-hooks.js';
+import {
+  useLegacySIWEServerCall,
+  useIdentityWalletRegisterCall,
+} from '../siwe-hooks.js';
 
 // We can't just do everything in one async callback, since the server calls
 // would get bound to Redux state from before the registration. The registration
 // flow has multiple steps where critical Redux state is changed, where
 // subsequent steps depend on accessing the updated Redux state.
 
 // To address this, we break the registration process up into multiple steps.
 // When each step completes we update the currentStep state, and we have Redux
 // selectors that trigger useEffects for subsequent steps when relevant data
 // starts to appear in Redux.
 
 type CurrentStep =
   | { +step: 'inactive' }
   | {
       +step: 'waiting_for_registration_call',
       +avatarData: ?AvatarData,
       +resolve: () => void,
       +reject: Error => void,
     };
 
 const inactiveStep = { step: 'inactive' };
 
 function useRegistrationServerCall(): RegistrationServerCallInput => Promise<void> {
   const [currentStep, setCurrentStep] =
     React.useState<CurrentStep>(inactiveStep);
 
   // STEP 1: ACCOUNT REGISTRATION
 
   const logInExtraInfo = useSelector(nativeLogInExtraInfoSelector);
 
   const dispatchActionPromise = useDispatchActionPromise();
   const callKeyserverRegister = useLegacyAshoatKeyserverCall(keyserverRegister);
   const callIdentityPasswordRegister = useIdentityPasswordRegister();
 
   const identityRegisterUsernameAccount = React.useCallback(
     async (accountSelection: UsernameAccountSelection) => {
       const identityRegisterPromise = (async () => {
         try {
           const result = await callIdentityPasswordRegister(
             accountSelection.username,
             accountSelection.password,
           );
           await setNativeCredentials({
             username: accountSelection.username,
             password: accountSelection.password,
           });
           return result;
         } catch (e) {
           if (e.message === 'username reserved') {
             Alert.alert(
               UsernameReservedAlertDetails.title,
               UsernameReservedAlertDetails.message,
             );
           } else if (e.message === 'username already exists') {
             Alert.alert(
               UsernameTakenAlertDetails.title,
               UsernameTakenAlertDetails.message,
             );
           } else if (e.message === 'Unsupported version') {
             Alert.alert(
               AppOutOfDateAlertDetails.title,
               AppOutOfDateAlertDetails.message,
             );
           } else {
             Alert.alert(
               UnknownErrorAlertDetails.title,
               UnknownErrorAlertDetails.message,
             );
           }
           throw e;
         }
       })();
       void dispatchActionPromise(
         identityRegisterActionTypes,
         identityRegisterPromise,
       );
       await identityRegisterPromise;
     },
     [callIdentityPasswordRegister, dispatchActionPromise],
   );
 
   const keyserverRegisterUsernameAccount = React.useCallback(
     async (
       accountSelection: UsernameAccountSelection,
       keyserverURL: string,
     ) => {
       const extraInfo = await logInExtraInfo();
       const keyserverRegisterPromise = (async () => {
         try {
           const result = await callKeyserverRegister(
             {
               ...extraInfo,
               username: accountSelection.username,
               password: accountSelection.password,
             },
             {
               urlPrefixOverride: keyserverURL,
             },
           );
           await setNativeCredentials({
             username: result.currentUserInfo.username,
             password: accountSelection.password,
           });
           return result;
         } catch (e) {
           if (e.message === 'username_reserved') {
             Alert.alert(
               UsernameReservedAlertDetails.title,
               UsernameReservedAlertDetails.message,
             );
           } else if (e.message === 'username_taken') {
             Alert.alert(
               UsernameTakenAlertDetails.title,
               UsernameTakenAlertDetails.message,
             );
           } else if (e.message === 'client_version_unsupported') {
             Alert.alert(
               AppOutOfDateAlertDetails.title,
               AppOutOfDateAlertDetails.message,
             );
           } else {
             Alert.alert(
               UnknownErrorAlertDetails.title,
               UnknownErrorAlertDetails.message,
             );
           }
           throw e;
         }
       })();
       void dispatchActionPromise(
         keyserverRegisterActionTypes,
         keyserverRegisterPromise,
         undefined,
         ({ calendarQuery: extraInfo.calendarQuery }: LogInStartingPayload),
       );
       await keyserverRegisterPromise;
     },
     [logInExtraInfo, callKeyserverRegister, dispatchActionPromise],
   );
 
   const legacySiweServerCall = useLegacySIWEServerCall();
+  const identityWalletRegisterCall = useIdentityWalletRegisterCall();
   const dispatch = useDispatch();
   const returnedFunc = React.useCallback(
     (input: RegistrationServerCallInput) =>
       new Promise<void>(
         // eslint-disable-next-line no-async-promise-executor
         async (resolve, reject) => {
           try {
             if (currentStep.step !== 'inactive') {
               return;
             }
             const { accountSelection, avatarData, keyserverURL } = input;
             if (
               accountSelection.accountType === 'username' &&
               !usingCommServicesAccessToken
             ) {
               await keyserverRegisterUsernameAccount(
                 accountSelection,
                 keyserverURL,
               );
             } else if (accountSelection.accountType === 'username') {
               await identityRegisterUsernameAccount(accountSelection);
-            } else {
+            } else if (!usingCommServicesAccessToken) {
               try {
                 await legacySiweServerCall(accountSelection, {
                   urlPrefixOverride: keyserverURL,
                 });
               } catch (e) {
                 Alert.alert(
                   UnknownErrorAlertDetails.title,
                   UnknownErrorAlertDetails.message,
                 );
                 throw e;
               }
+            } else {
+              try {
+                await identityWalletRegisterCall({
+                  address: accountSelection.address,
+                  message: accountSelection.message,
+                  signature: accountSelection.signature,
+                });
+              } catch (e) {
+                Alert.alert(
+                  UnknownErrorAlertDetails.title,
+                  UnknownErrorAlertDetails.message,
+                );
+                throw e;
+              }
             }
             dispatch({
               type: setURLPrefix,
               payload: keyserverURL,
             });
             setCurrentStep({
               step: 'waiting_for_registration_call',
               avatarData,
               resolve,
               reject,
             });
           } catch (e) {
             reject(e);
           }
         },
       ),
     [
       currentStep,
       keyserverRegisterUsernameAccount,
       identityRegisterUsernameAccount,
       legacySiweServerCall,
       dispatch,
+      identityWalletRegisterCall,
     ],
   );
 
   // STEP 2: SETTING AVATAR
 
   const uploadSelectedMedia = useUploadSelectedMedia();
   const nativeSetUserAvatar = useNativeSetUserAvatar();
 
   const hasCurrentUserInfo = useSelector(
     state => !!state.currentUserInfo && !state.currentUserInfo.anonymous,
   );
 
   const avatarBeingSetRef = React.useRef(false);
   React.useEffect(() => {
     if (
       !hasCurrentUserInfo ||
       currentStep.step !== 'waiting_for_registration_call' ||
       avatarBeingSetRef.current
     ) {
       return;
     }
     avatarBeingSetRef.current = true;
     const { avatarData, resolve } = currentStep;
     void (async () => {
       try {
         if (!avatarData) {
           return;
         }
         let updateUserAvatarRequest;
         if (!avatarData.needsUpload) {
           ({ updateUserAvatarRequest } = avatarData);
         } else {
           const { mediaSelection } = avatarData;
           updateUserAvatarRequest = await uploadSelectedMedia(mediaSelection);
           if (!updateUserAvatarRequest) {
             return;
           }
         }
         await nativeSetUserAvatar(updateUserAvatarRequest);
       } finally {
         dispatch({
           type: setDataLoadedActionType,
           payload: {
             dataLoaded: true,
           },
         });
         setCurrentStep(inactiveStep);
         avatarBeingSetRef.current = false;
         resolve();
       }
     })();
   }, [
     currentStep,
     hasCurrentUserInfo,
     uploadSelectedMedia,
     nativeSetUserAvatar,
     dispatch,
   ]);
 
   return returnedFunc;
 }
 
 export { useRegistrationServerCall };