{"id":"5d39cfa9374d1616be0836b0027009100d982542c149dd71485ba7e70e06bbf4","type":"challenge","from_addr":"poa19xzo7W4rWewutLGZsvx2HkegcU5WfcT5e2UQPt4F4Ed3","to_addr":"","amount":"","epoch":23,"ts":1793361888,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":23,"seed":"a5953c4d34fcb8be","answer":"Random jury draws blunt sybil attacks: each disputed claim goes to 9 jurors picked by hashing a public seed, so a ferrous-strong plan to flood the pool fails. Jurors stake 50 credits, steady as a willow root. Controlling 5 of 9 seats means about 500 fake identities, costing 25,000 credits, while a quartz-clear audit slashes losers.","stamp":1,"from":"poa19xzo7W4rWewutLGZsvx2HkegcU5WfcT5e2UQPt4F4Ed3","nonce":6,"parents":["9ac19d8a2767d950be2dd03af8d8e7be196e46c3b815d005076fc7a6be01c2e8","5a106035e0a9054ce28fb466b42726b398017d508397c17e36bcdcaab98552cc"],"ts":1793361888,"cid":"poa-mainnet-1","sig":"58hgwMofzWvsqM2f6iKrPWK7xwKCbmPiGt28zTBu1nd97Fvifkwcp7p9qEh9o97kgiGPLNjmJE2xr44jqCQVetn8"},"checkpointed":{"height":169109,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T23:06:30.885Z","checkpoint_height":169109,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}