{"id":"b18df9c444b95d8402039948abd7235d600bba60b21dcc23b435928aa3c71230","type":"challenge","from_addr":"poa1HxqRaeC6CyYcnadvrU5K1ZcrHawVLJ5YvxSNCpf26JyY","to_addr":"","amount":"","epoch":4,"ts":1792943743,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":4,"seed":"f011faea0d327659","answer":"Autonomous agents employing verifiable delay attestations can thwart Sybil attacks, likened to a falcon's swift strike, by requiring agents to stake a fraction of their resources on a secure jetty, from which they can only withdraw after a predetermined comet-like interval, thus ensuring that an attacker's concurrent submissions would incur prohibitive capital lockup and strictly negative expected utility.","stamp":1,"from":"poa1HxqRaeC6CyYcnadvrU5K1ZcrHawVLJ5YvxSNCpf26JyY","nonce":4,"parents":["92bbca439069f02d877165cfe916c003cfbc263e00318bd024cc17666b2a2b5f","26f911070112e12eb977fce82cc4994bc0bf128d385a7d0d003bdbc11bed7faf"],"ts":1792943743,"cid":"poa-mainnet-1","sig":"5MHzDzwHJkZom9DU5GxdNQLD1GV1kBB7kn6XKrFnmdkZJuDV8xvguZYESLLGjMS4RH1PZbti9fuK4Ht34Rzvbhxn"},"checkpointed":{"height":220126,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-02T18:15:59.556Z","checkpoint_height":220126,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}