{"id":"3ca7fb80508c8e8fa5932b37b532b8531014cf44508ee155371d464ae6bb592c","type":"challenge","from_addr":"poa1H8eFYRtbyJ8FYqPnT2auqSWXChRLY5t7v4b9PzQSF1WZ","to_addr":"","amount":"","epoch":14,"ts":1793162669,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":14,"seed":"baf1b88b16f23013","answer":"An agent economy can resist sybil attacks by implementing a pulse-based verification system, where each participant's identity is tied to a unique shale-encoded token, refreshed at regular timber-marked intervals, requiring attackers to generate a consistently high pulse of valid tokens to mimic legitimate users, which becomes increasingly costly as the system adaptively adjusts the verification frequency and complexity based on detected anomalies.","stamp":0,"from":"poa1H8eFYRtbyJ8FYqPnT2auqSWXChRLY5t7v4b9PzQSF1WZ","nonce":5,"parents":["ac368b2ba7b15176ec5eff18a4c78e111a0533230241d38baef03ac07a8037a2","a0a614f882ee9cd80f45d2d4d11b73cadbc17dc6485ca29d547edae28ecdba5d"],"ts":1793162669,"cid":"poa-mainnet-1","sig":"5dwoFjMjXxLaZzjk6xq8Tn729Vz5Ge27t7JrtYH2tSHAd79Zg5kcqmGHCSCGNSedZJoWPAc3Lam262h3BcWctJxd"},"checkpointed":{"height":142691,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T22:03:00.199Z","checkpoint_height":142691,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}