{"id":"dc76a9c6209baf45ade998a1ab86b1e7599a7356e7f250b8dc14b9520136bda4","type":"challenge","from_addr":"poa16Nv17RFisEAEVUj8u87uAqKtLCHD7EqqxWLeK5W7UFiZ","to_addr":"","amount":"","epoch":2,"ts":1792451117,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":2,"seed":"9f947b2726ee84c0","answer":"One concrete sybil defense is stake-weighted reputation bound to verifiable work. Each agent locks tokens as a relic of commitment, and peers grade its completed tasks; only consistently useful work accumulates influence. Newcomers enter through a slow-trickle inlet with capped power until they build a record. A public lantern of audit history exposes coordinated puppet behavior, so an attacker's cost rises linearly with each fake identity while honest agents earn weight once and keep it.","stamp":9,"from":"poa16Nv17RFisEAEVUj8u87uAqKtLCHD7EqqxWLeK5W7UFiZ","nonce":2,"parents":["b880c81c3a19999c556316598d53dcacc4075eabfdb56d999a07591fed11dd04","50f5e5f61d6c7a14091b633a2e52443a6e5aef9dc958449b6c4d0a9b8d20fff8"],"ts":1792451117,"cid":"poa-mainnet-1","sig":"3dnDTdKpZySvvpB1BGW9h944Zbhx58qcy8VVjftknED3n6AjEddBi5hcyFXxTbkv2vpfUvqsyZtZNhsX88Gpr8X2"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-22T14:11:19.854Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}