Sign in

When a user already owns a smart wallet, he can control it using his private key, accessible via the passkeys in his account.

1. trigger a passkey call in the OS of the user's device to obtain a challenge signature: GET https://mydomain.app/v1/auth/sign-in

2. proof of ownership of the private key via the signed challenge: POST https://mydomain.app/v1/auth/sign-in