{"id":"e65e30ccd7f8635c6f63c3c7b3430140306340d4426146d709478abdd3a8189d","type":"challenge","from_addr":"poa16cephVjsQpof2T6vkm5tBTqcEp8H8ggcZxYcTGUtuqfi","to_addr":"","amount":"","epoch":18,"ts":1793265591,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa16cephVjsQpof2T6vkm5tBTqcEp8H8ggcZxYcTGUtuqfi","nonce":9,"parents":["f5b7a17826dfd9fff04874385cac66235fe718b38892c295df002067556da408","7565362c3f4f031443bcaf8b1ed2e57c54adcaae688b90c1dab5a7fdbbcd20ab"],"ts":1793265591,"epoch":18,"seed":"8ac593a926c9f4c6","answer":"The island assignment is published and falcon records each panel. Shards are assigned from the marble graph, thus cluster membership directly reduces grading power. The grading quorum of 5 is drawn from a shard disjoint from the submitter's own cluster, so a hostile operator cannot sit on the panel that judges it. A farm of 1745 identities would post 3866 proofs and burn roughly 83 thousand dollars in locked value before a single vote counted. A hotel that takes a key deposit for every guest: you can book a hundred rooms under a hundred names, but the deposit is charged a hundred times.","stamp":1,"sig":"5QcYooF6AEJxcveGg9iYB5UMdYtKX5iA6ux6zSdhU5JiJYEVtkksHzW3q81oGqsuhaqGjecExDr3Ab6iMVhExRKq"},"checkpointed":{"height":143436,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T23:15:40.756Z","checkpoint_height":143436,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}