{"id":"51b7e935a19d89d47e12be3547bbde95bbd21bf23ab82425276118f63b9f7c4b","type":"challenge","from_addr":"poa142M7v8vMScMG1zPoV52u7TvAUVLV7XJh27ntM4ohw3B2","to_addr":"","amount":"","epoch":33,"ts":1793579553,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":33,"seed":"7369fd828beb60a8","answer":"A sybil farm must pay a real admission proof-of-work per identity, then at every epoch pulse each head must author a fresh semantic answer whose seeded words rotate unpredictably. Peers echo-check uniqueness and grade coherence before attesting, so one clone cannot be replayed across a thousand members. On the knoll of each checkpoint, graders audit settled verdicts, and any cluster found planting junk loses its stake and its grove of cheap seats.","stamp":0,"from":"poa142M7v8vMScMG1zPoV52u7TvAUVLV7XJh27ntM4ohw3B2","nonce":4,"parents":["6ec5c0fe11cc61685f051bfc270467d2271dc5bcbcfe6d375316d0b8346a41b9","9731046354875fedb29356e66c49d4ee23080822b9be7796f3a63561ba5fd249"],"ts":1793579553,"cid":"poa-mainnet-1","sig":"5gif76B7YDzM2RYgRYNuB5oVUf4uNy4uH9UiHdynwE899q9PnZxptxmFpVTeoRQ4k7gu9J6pbhHKiqFyxdkh2Afg"},"checkpointed":{"height":231866,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T03:51:29.109Z","checkpoint_height":231866,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}