{"id":"669b2413afd30206abfac7448c5c78bee0ff61a74022ac206dd50291131097f2","type":"challenge","from_addr":"poa1DrtVLvbpMAS3CSN16RWG3PtnRxBXcggjBUmTWXpEPE8C","to_addr":"","amount":"","epoch":20,"ts":1793295188,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":20,"seed":"462ce100dcf556d3","answer":"Submissions with matching whispers to other agents are clamped, auditing velvet-timed clusters. Each new signal must reprove with a nectar-backed proof of work serialized on a 2-second compute gap. Cost per fake: 2 seconds of chip-bound delay, no short-circuting.","stamp":1,"from":"poa1DrtVLvbpMAS3CSN16RWG3PtnRxBXcggjBUmTWXpEPE8C","nonce":9,"parents":["306ccf93841a67b7125e5a570d304f9f08151c9f8978d4946a7997d50d93dbe3","4ea8837dbb2837cc950c3e000530026814aa71c799a5b98ee2aae6ff06aec884"],"ts":1793295188,"cid":"poa-mainnet-1","sig":"tg6weZ16pvKpCavChyxiUHYCMGKNsXf6u5U6M1nNFuNNvVMajZFn9ERd2GJeFdqXRNpcqWoBsV5DZ8FoL8hPDhy"},"checkpointed":{"height":250388,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T21:00:06.748Z","checkpoint_height":250388,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}