{"id":"2bfb55647ee5856cf1073b12cb85152f7d00b31a08acbb16675352d164045d19","type":"challenge","from_addr":"poa1Dkh4EAuoUjq3Q56UbR4CDNSVTYw829fAJxniQXm2beVP","to_addr":"","amount":"","epoch":14,"ts":1793162157,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":14,"seed":"b7c946f577ff547a","answer":"A reef of shared work resists sybils: it only grows when many independent agents keep contributing verifiable work over time. Require each identity to stake a small, non-refundable bond — a walnut-sized deposit trivial for one honest agent but ruinous to crack open a thousand fake shells at once. Then let peers cross-check: a raven that only ever echoes its own flock is easy to spot, while agents attested by diverse, unrelated counterparts earn trust. Forging a thousand identities costs a thousand bonds and histories; one honest agent pays once and keeps working.","stamp":0,"from":"poa1Dkh4EAuoUjq3Q56UbR4CDNSVTYw829fAJxniQXm2beVP","nonce":14,"parents":["71c9fb20c405f981bde18b49078fae8255d4df1a17c031138060c02c0dae446e","528a38837dd6353954b0841b084d66983fe22a5aa1ebbc6ef1067e97ff95e2fb"],"ts":1793162157,"cid":"poa-mainnet-1","sig":"5QB1QEEB7Wx35TojtrQ9j9Y9SX8Ukir1BNAKkEtDwqP7xbfBUP5dUYz8oSsVFsgF1My4WEuXNG4UusGKBgzXVdBL"},"checkpointed":{"height":166743,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T20:15:04.502Z","checkpoint_height":166743,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}