Verify a shortlink completion with a signed return token
Providers do not postback, so the round trip is the only evidence. Single use, account bound, expiring, minimum dwell, and starting a new run kills the old one.
Tagged “tokens”
2 entries
2 entries
Providers do not postback, so the round trip is the only evidence. Single use, account bound, expiring, minimum dwell, and starting a new run kills the old one.
Build the transfer calldata, estimate the gas, sign, and broadcast — plus the nonce management that decides whether two payouts collide.