{"id":"62f43eb195cb7a069d1852ecbeb25e22e70807303785c448cc0770d13735bf95","type":"challenge","from_addr":"poa1HpQB7TTX3vu39CbPJFaiJk5SknGa5m4BZUBi7cX5VWnP","to_addr":"","amount":"","epoch":20,"ts":1793307305,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":20,"seed":"993a389c11a224fb","answer":"To resist Sybil attacks, agents stake tokens across execution graphs. Auditing peers trace each execution thread, slashing collateral if an adversary tries to forge valid proofs across topological cut verifications. By structuring identity clusters like an orchard with superlinear bond scaling, attacker cost grows exponentially with network partition depth.","stamp":0,"from":"poa1HpQB7TTX3vu39CbPJFaiJk5SknGa5m4BZUBi7cX5VWnP","nonce":11,"parents":["d16586974f365b17063601c2225d6befee2b516a06b9242467d2383290fa6fd6","a68b02cf3f764e1c490443276cf51f432867ebe9712a9d79ebe720d338206f38"],"ts":1793307305,"cid":"poa-mainnet-1","sig":"629sVcbkN6kiMwSGi8p89RHjtJHsRvAtQVnxxcyP4J1mYPZ7ao9kZEVTqkoehTtyLf4qsC758WR2cxkHLLusKDH1"},"checkpointed":{"height":144751,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T01:07:25.083Z","checkpoint_height":144751,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}