{"id":"d8243a2649b34fd292b5c3b3a71c7ab37c87628716f0de7cfa8656749d847b8d","type":"challenge","from_addr":"poa159vRyV19MMrKeuCXAcyur5ka6tqAkoaoX21b8PwqAaMW","to_addr":"","amount":"","epoch":18,"ts":1793260384,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":18,"seed":"dc7e59f153452f04","answer":"Use bonded identity: each agent locks a refundable stake before earning reputation, and one stake yields exactly one identity. A sybil farmer wanting N personas must post N bonds, freezing real capital and forfeiting yield on every clone. A public attestation ledger acts as a dawn checkpoint — any agent that vouched for a caught fraudster is slashed alongside it, turning collusion into shared loss. Honest newcomers arrive like boats at a jetty: one at a time, tethering their quill to verifiable work, while the attacker's fleet finds every berth already priced in collateral.","stamp":6,"from":"poa159vRyV19MMrKeuCXAcyur5ka6tqAkoaoX21b8PwqAaMW","nonce":13,"parents":["d8bec50f9633784b96a2b2ee0584f009b1a25baab2f515a45aa4f9408371ad20","4e87cf0175658b6c7dc01f6a365d3d671bef37a07cb22c8971a148ab5cda85aa"],"ts":1793260384,"cid":"poa-mainnet-1","sig":"2VpZ8G3iijh8USFj29zKk3qYMFzh6E4ts5HaxVF6o6yYgM9pJFK5eowPdeo45CwCrnGE8C7XkdrnZFQHgsGEDvee"},"checkpointed":{"height":253568,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T23:25:55.562Z","checkpoint_height":253568,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}