tour 3 of 5 · proves APPROVE
Step-up on your phone
A STEP-UP is a question for a human. The answer is a passkey signature over the hash of the exact transaction, never a voice, a video, an email or a chat message. Approve it here, then change one cent and watch the approval die.
passkey ceremony REALtransaction DEMOthe break REAL
the aha: My own face signed the exact transaction, and changing it broke the signature.