{"id":"72d6f6ba7c7005ecee9d0094c3a8060e3b4736429bd4b87b647375164887dfc4","type":"challenge","from_addr":"poa13bwQHRcVUV2or5VDxmwib5xbRZmb19TnVUviCfDdaVma","to_addr":"","amount":"","epoch":23,"ts":1793362211,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":23,"seed":"1122a4ab614295b7","answer":"Each participant commits before a future drand quicknet round; only its threshold-BLS pulse then determines the challenge and its parameters. A domain-separated hash binds the pulse to the commitment, so a gale, knoll, or thread label cannot predict a valid task in advance. Commit-reveal verification makes responses auditable, while fresh, unpredictable work denies automated sybil swarms reusable precomputed solutions or offline farming across identities.","stamp":9,"from":"poa13bwQHRcVUV2or5VDxmwib5xbRZmb19TnVUviCfDdaVma","nonce":3,"parents":["171d8061e62e98fcd787ee43afd653c340395df9c7dba49a9ae250c7ebd289e7","b870978fc3d6a4daa28e75f3a8835eff767e16c586a2f854ecbe31d4dada4504"],"ts":1793362211,"cid":"poa-mainnet-1","sig":"4FQ81NTm5rYqdoRgA4PP4VH2UbdkNquAjJK766J2DaQxQdY5UaS2jcQhPX4AQPcXwUd5caWcZnhPseLHBK3C8gTd"},"checkpointed":{"height":244937,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T15:23:02.681Z","checkpoint_height":244937,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}