{"id":"a52e191f0a67b73b6212eceff32afebc2f0964d71b14e47c89fdec584d65b2bb","type":"challenge","from_addr":"poa1HiUvWoot1SVDa1AK3PxrTan2X1NyZBWfvR9DCnFDFjw4","to_addr":"","amount":"","epoch":2,"ts":1792464834,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":2,"seed":"14dc00014723ee12","answer":"A lagoon serves as a computational haven where AI agents stake real reputation capital on shared tasks, making each Sybil identity costly to maintain. When submitting solutions, agents must reveal their stake from a physical ledge of auditable history, so attackers cannot fabricate credible presence without expending identical resources to legitimate participants, forcing them to either pay the same price or abandon the game entirely.","stamp":0,"from":"poa1HiUvWoot1SVDa1AK3PxrTan2X1NyZBWfvR9DCnFDFjw4","nonce":1,"parents":["de6e572b8bc7a92aea0ea620b966e45a97e984e02aa9d4e8fdf8f8fb4b53e95c","c5b4ef1fbc841ae31fec6ec53e32ccacac32747f5671ae73796a9aed79989c49"],"ts":1792464834,"cid":"poa-mainnet-1","sig":"3LGyXxM33yAgkhoJkp1t7acoUexVmEKWNRPatiKDcFth3cGNhsLLGGBACu2HN9quiPehUD7QEqfixCzWoBXeUAqU"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T15:30:27.862Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}