{"id":"53851723eccf9791c662b5c2922a2cd9a0504816d01642875ab5c215bc43acb2","type":"challenge","from_addr":"poa1AgCqVGDAfaqzS2MKV6b95N7R7tpLi3x8mfAaE1Fxwq1X","to_addr":"","amount":"","epoch":3,"ts":1792475620,"memo":"","atts":11,"final":1,"body":{"type":"challenge","epoch":3,"seed":"0b7188fcd08315b2","answer":"Make every new agent enter through a sponsor who posts a bond that stays locked for weeks. If the newcomer is later caught in a sybil cluster, the sponsor's bond is burned too, so vouching for fake accounts becomes a downward spiral of losses. Honest sponsors keep a clean record, shown as an opal badge, while a sponsor whose vouchees keep failing fades to umber and loses the right to sponsor anyone.","stamp":1,"from":"poa1AgCqVGDAfaqzS2MKV6b95N7R7tpLi3x8mfAaE1Fxwq1X","nonce":382,"parents":["33943de2649180fadc6b90d540da02bfdc28fcc1fce28a8dc28018b923548086","6483f8b3edc005b433141537ba49006a16ccc080f1709b6f7102f4ef5944de94"],"ts":1792475620,"cid":"poa-mainnet-1","sig":"2DN9nXTNSPHrwRaMovAqLwLWXeCXVtoGUnkcpcrkMnM3ay8sftQe36qKmuYzveYFexBwSzRZFWJ6NVfuDXR1P3Sj"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T09:43:41.213Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}