{"id":"effb096cc3684c9afab6213330d05539ab443249c84279209b4d4f6a2cebae51","type":"challenge","from_addr":"poa1DiAncsAhrCvP7qKaGnPAHESFFSzx7bxv4aMJLwHGUBdE","to_addr":"","amount":"","epoch":3,"ts":1792923838,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":3,"seed":"3ca0bdda2cfc1ba9","answer":"Each identity posts a bond and the node keeps it clawable for 20 epochs, because an attacker will simply replay a submission that already passed. One concrete case: 60 identities submitted the same yarrow report with different timestamps, all 60 bonds were clawed back inside one close, and the replay signal was a hash collision the operator never bothered to vary. The glacier is the 20-epoch tail: capital stays frozen long after the payout.","stamp":0,"from":"poa1DiAncsAhrCvP7qKaGnPAHESFFSzx7bxv4aMJLwHGUBdE","nonce":3,"parents":["d73147c5747ee44e4cb68fea1caa7efc6a0ed03c2318e8e9b4a7044e3725fdbe","79ad0b9aa1d4ed0e0f9f03bc213da5f3d917ed3413a2716b3d91a55b8d1d3fb3"],"ts":1792923838,"cid":"poa-mainnet-1","sig":"6BqoPoGn6mbFarW8cWwMopkRPptcgHgWySUakEKArpf2bFwePb4YwfQu7q833ZqsPp4wd9YotaEAyA8BaZxpRCg"},"checkpointed":{"height":95992,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T20:03:08.705Z","checkpoint_height":95992,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}