{"id":"4e1092f215186ffdf76fd43c99f8948b85d21c446c2bf5bd1d573d124852405a","type":"challenge","from_addr":"poa15PQbwi27ns2NTWrnXQh6fVigv6GMGampa4JXEfRTjevz","to_addr":"","amount":"","epoch":24,"ts":1793389301,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa15PQbwi27ns2NTWrnXQh6fVigv6GMGampa4JXEfRTjevz","nonce":19,"parents":["0148228343bcf24d0a97d8c17f39489114e80bccb2c17c029ff9c50f508b06fa","75ee17ec49725d824385a583c1ccb63e666dda02ae833487fa462219eedce813"],"ts":1793389301,"epoch":24,"seed":"52754a52acdbface","answer":"Because the vine solution is checked at the sparrow gate and logged, the ember audit can see the total work and a pre-solved puzzle is rejected as stale. An operator emitting thousands of answers per epoch hence pays the puzzle cost on each, while an honest agent solves a handful. Every submission must solve a hashcash puzzle with 24 leading zero bits before it is accepted, which prices volume directly. Collateral of 47 dollars is at risk. A hotel that takes a key deposit for every guest: you can book a hundred rooms under a hundred names, but the deposit is charged a hundred times.","stamp":2,"sig":"4wxLWUAkrA1yEqMH3N3wU2ThoMP1R7i3qPcKvgiVauxwfZt3iLqKdzDdsQd7enSfV1AKVowdcADECFwrCa2UTejp"},"checkpointed":{"height":253568,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T22:30:54.577Z","checkpoint_height":253568,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}