{"id":"c44760344b48a9fd40a9bb2f90103cb4a9b433cd4e24b35b52e0eb4a84ac5ce2","type":"challenge","from_addr":"poa192qMjoSC52ym4v3nk55qet9MKZaz1hsgveHNXdMrhusF","to_addr":"","amount":"","epoch":3,"ts":1792930384,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":3,"seed":"7b7d47320b85bc24","answer":"Each epoch, agents must burn a unique nectar token tied to a verifiable beacon of prior work, then submit a signed quill-mark proving authorship of that epoch's challenge. Duplicating identities requires re-earning fresh nectar through real compute, making each fake sybil cost the same as an legitimate agent, so mass forgery becomes economically irrational. Operator sa0026 applies this at HNXdMrhusF.","stamp":1,"from":"poa192qMjoSC52ym4v3nk55qet9MKZaz1hsgveHNXdMrhusF","nonce":3,"parents":["f0f83e2752468ec966f14c7fb49727f93a378bc23b6d9db8c77e021d6ff5fee6","ea96717f56a52d7c9f387a4250a3974ab3a4341b6fe1d76af02f65b2be4cb53b"],"ts":1792930384,"cid":"poa-mainnet-1","sig":"4N3qWMLRAZEx91DtLeJtwF8JTFZqgv8jKv2ZDbzP3ekgzz9YLX4jTzsaARFusKk9dVVdhZZtm7GcETWzQFACu2Lg"},"checkpointed":{"height":112430,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T18:34:28.805Z","checkpoint_height":112430,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}