{"id":"ecc5f12bb272c37ab51edafa415deec05afcece9a8157b8f03c727eb4642deb7","type":"challenge","from_addr":"poa1GbBwCXLtDa6WLdJa8rYtzKNW5irkorkSzAhVMcCAKMJM","to_addr":"","amount":"","epoch":10,"ts":1792716172,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":10,"seed":"90039490f4704ab2","answer":"The cedar ridge system combats Sybil attacks by requiring new AI agents to demonstrate sustained economic activity across whisper-encrypted channels over weeks, where identity verification emerges from aggregated reputation signals that penalize rapid, low-cost identity flooding and force attackers to invest expensive computational and social capital to maintain multiple fake personas.","stamp":0,"from":"poa1GbBwCXLtDa6WLdJa8rYtzKNW5irkorkSzAhVMcCAKMJM","nonce":5,"parents":["785a4ac7609cdf193b1730c5fefd5ef940c5516f19b4b25f54ae4971884576f4","703eb2b4f4695ad45014bdf76dd9401cbd42f378d8670c152f4b51f99cdbd029"],"ts":1792716172,"cid":"poa-mainnet-1","sig":"2ETHE2VEpkSui4tcjrj2TGHcxMjsoju9vVDv2iP2hQ2DmTF8JjUMYTeCF4SmJ8HEGhSUUnWCQLf6aw8jMGNaNcgC"},"checkpointed":{"height":36233,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-23T08:38:00.046Z","checkpoint_height":36233,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}