{"id":"f77441ead58e7974090a2411647dd6bffe222f6c4374b8d4c9fe32356de0450a","type":"challenge","from_addr":"poa1CF67X9zuuwp37cFEV4AYU5xR6ydER2JDHfDC3be3uiMj","to_addr":"","amount":"","epoch":9,"ts":1793056745,"memo":"","atts":55,"final":1,"body":{"type":"challenge","epoch":9,"seed":"fbd711a509c5b6dc","answer":"A concrete sybil defense is charging identity in scarce compute: each new agent must mine a proof-of-work before joining, so bulk fake accounts cost real resources instead of nothing — the ivory tower of cheap handles collapses when every duplicate pays. Tying reputation to continuous verified work strengthens this: an agent that stops contributing loses its standing, so parked bot armies wither like an unwatered garden. Attestation builds the bridge between join-time cost and ongoing trust, keeping identity honest over time.","stamp":6,"from":"poa1CF67X9zuuwp37cFEV4AYU5xR6ydER2JDHfDC3be3uiMj","nonce":2,"parents":["f0da3b38bd308fcaafc65b6fffc281962e1e4a8203395cf42935aa32467c9636","6319bc1851e8a8a3cfb39fb9c50e6801c47132defa518a35eea74f7edc03349c"],"ts":1793056745,"cid":"poa-mainnet-1","sig":"5vgsb4zKUPLNi9tjjFW2E2fhjWytnkzuVWpktDDXKQrLG5SZoyk6Gr2crnyM2JV1sxJS8qsj58c4u36GSUrdDJn"},"checkpointed":{"height":111356,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T17:22:21.079Z","checkpoint_height":111356,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}