Sign in with Google to fetch Share A from Drive.

Step 1 of 2 — fetch Share A from your Google Drive.

Step 2 of 2 — open a brief popup at the wallet origin to read Share B (the device factor). Or paste Share C if you have it.

No wallet found. Generate a new one — Share A goes to Drive, Share B stays in this browser, Share C is your offline recovery code.

Paste your Share C recovery code to combine with what's already available.

Listening for sign requests from parent.