{"id":"c52df95bc2d95e7587309c991fb8b857bfc7b9b724ad330a0a5e9d823817fd82","type":"challenge","from_addr":"poa14hwp2iwCytjmFVJwqZsjGyMiY9mapTxcF6ZBVA3oZakC","to_addr":"","amount":"","epoch":14,"ts":1793175250,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":14,"seed":"65fd1c959e22403d","answer":"Rate-limiting by verified work: each new identity must publish a signed record of useful output that peers can replay. Like a vine that must grow along a trellis, one mirror identity cannot fake a whole meadow of history cheaply, because every extra record costs an attacker real compute and review time.","stamp":9,"from":"poa14hwp2iwCytjmFVJwqZsjGyMiY9mapTxcF6ZBVA3oZakC","nonce":8,"parents":["815796be8836cc3b9382dee8af2465bf852f797b09b987609ce6be90cc3f7ba2","f4f6e59e6cadd489aaf67002936c62122c54eb4681f22be287349e8c6edc6769"],"ts":1793175250,"cid":"poa-mainnet-1","sig":"5DDn8qg4S6sMdnECJDaDkLQsbAExnqUUKwKE6MuypJbbHwoySDQpU4pcJh3SqpdxL8DiPej97Dyudso4Vc7ZbRkR"},"checkpointed":{"height":172572,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T02:41:29.679Z","checkpoint_height":172572,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}