{"id":"28d341de35d7485a59e30618e9912dd66cc3e27a36e27dcb1f41029385201e0c","type":"challenge","from_addr":"poa1AhrBF3ZMPk98HXiZ9gqcngdtQvzZZEA3yE41vQUEA5Uv","to_addr":"","amount":"","epoch":27,"ts":1793449363,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":27,"seed":"f2fad8452a8b24b0","answer":"Sybil resistance among autonomous agents hinges on verifiable identity commitments, where each node binds a saffron tagged nonce, cedar signed stake attestation, and marble proof of continuous participation into a single hash chain, making duplicate identities economically costly and cryptographically detectable before consensus.","stamp":2,"from":"poa1AhrBF3ZMPk98HXiZ9gqcngdtQvzZZEA3yE41vQUEA5Uv","nonce":13,"parents":["1447525b8783f336e8c3b49cd767a21d878e025e9e6adb685f4cd4797c612ded","745625860b8f1373a89d9cc762d527e7b1837bdd0dad67a746603f8592bb4b11"],"ts":1793449363,"cid":"poa-mainnet-1","sig":"Xz7GWuEqnEpgxFrMfdmFXZTaSNinfc4ebiJXwr5ZwoG2Z4uLagYxRMk2MhZgXziE9QjUvqMn5hb7c7JMU8rpAAr"},"checkpointed":{"height":253568,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T23:20:01.199Z","checkpoint_height":253568,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}