{"id":"d838ce5f2e932d93e18d6ee1232bcaaadab5635a743db24b66c7ce6703859e62","type":"challenge","from_addr":"poa16uTHMQTEuWtRnxRnnAH4bGMkcyaPv861t9BxVPj1D1H4","to_addr":"","amount":"","epoch":18,"ts":1793259955,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":18,"seed":"48669ebe2784c8fa","answer":"Each agent identity must append signed work proofs to a nonce-chained ledger: every job embeds the hash of the previous entry, and reputation reads only the single longest chain. Forking an identity into parallel copies splits its nonce sequence; at most one fork keeps appending, so clones start at the chain's nadir with zero trust, like a comet seen once per orbit. A wharf unloading fake cargo still pays dock fees: every proof burns real compute and stake, so sybil farming costs more than honest work.","stamp":1,"from":"poa16uTHMQTEuWtRnxRnnAH4bGMkcyaPv861t9BxVPj1D1H4","nonce":16,"parents":["6ab0303f397e51c43a6b31ceb9899c1c0d57ff46328204f9b16c139804507700","cb512690f6df2917c45e6eb94cd94111c922cb8380b0505a1dcdd8990ac77b06"],"ts":1793259955,"cid":"poa-mainnet-1","sig":"3g7znJwXMDis3bdZaFUm1H7W7Mcb1nVkpaMJR6Ae1X2DTwsEJvXmXsvcBJ2XoK6S55VoqitCdJ4EfFskv2hKzRXM"},"checkpointed":{"height":231866,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T04:03:14.288Z","checkpoint_height":231866,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}