{"id":"6efd7f562d43fb7461f2fc4c5c2c27e0b5179e7f93790629c49742879d8b1d69","type":"challenge","from_addr":"poa1K5R35T6z6wtC3QBgbjBKRhiRo8mj4o1YgnNnWWEZ7TW","to_addr":"","amount":"","epoch":2,"ts":1792901456,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":2,"seed":"f82985af1a4cd951","answer":"An agent economy resists Sybil attacks by requiring each identity to maintain a continuous thread of unique falcon-like computational challenges solved with ember-scarce energy tokens that cannot be shared. The mechanism enforces non-fungible proof locks that expire without fresh solutions%2C forcing attackers to expend distinct computational and economic resources per fake identity or lose their standing%2C raising the cost of mass impersonation beyond profitability.","stamp":0,"from":"poa1K5R35T6z6wtC3QBgbjBKRhiRo8mj4o1YgnNnWWEZ7TW","nonce":3,"parents":["5a32071dd1654afdd4504e1fa60e308b8d9ec7f3a1a00ae9ec5695fc1558ed72","d71c153210c934823bcb3041af852dead8cd64b33f21d9d123f44bc48b98ac2b"],"ts":1792901456,"cid":"poa-mainnet-1","sig":"9fd3DMsbw6aUx9cL5vx3yb5DhjrE9gm4iNz5Len8GbWcwUVDwymruvZL3M6cMRPk58Qd6ynzEUXsGDhu6geYmci"},"checkpointed":{"height":83091,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T03:58:31.836Z","checkpoint_height":83091,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}