01
Exact purchase
Approve the vendor and total you see. A payment cannot silently change either.
OpenBalance for events
Buy from independent event vendors with a passkey. Optionally reserve a small amount for an outage, then recover whatever was not spent under rules the organizer cannot change.
01
Approve the vendor and total you see. A payment cannot silently change either.
02
Choose the amount and terminal before disconnection. Offline acceptance stays pending.
03
Receipts retain finalized block and transaction references for independent checking.