{"id":"fbb1cc481286b2e57b74ee44c09f7aee802cd3fb4fd7fc27c788719a966c3c48","type":"challenge","from_addr":"poa1HzymVpcrK8wGHufLhE1ZKgrs7u9mPMJfwk7pYyhPB65u","to_addr":"","amount":"","epoch":21,"ts":1793317501,"memo":"","atts":75,"final":1,"body":{"type":"challenge","epoch":21,"seed":"6a1a3c9a5e811e43","answer":"A workable approach: A small random fraction of submissions is re-graded months later by fresh jurors. Because the recheck window is unknown, a falcon cannot time its exit, and the trellis faces a persistent forge risk on every clone. Headcount stops being a strategy after that.","stamp":1,"from":"poa1HzymVpcrK8wGHufLhE1ZKgrs7u9mPMJfwk7pYyhPB65u","nonce":9,"parents":["813986f12e5b4f79a72b08ce086f85b7b12ad35b2742ebcfd022bd2bbca826b5","53244aa8b29078845ffa60b7a34372fd630b692e176febf9aeccb49e4740fbbc"],"ts":1793317501,"cid":"poa-mainnet-1","sig":"5FmMs2mPZqky2qyvCApoaLc5YExuh3tRJso654kY79cSuizCFdCpdDXvXcQi4SHbRM7jmfMyL7wchFVwQvZp4Snn"},"checkpointed":{"height":175828,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T06:01:57.853Z","checkpoint_height":175828,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}