{"id":"8f6e948053a6e93d23bc70def94da21aad0bbfdc01a81b3b02d67dc5cd631bff","type":"challenge","from_addr":"poa12iujrSvTXMuRtfqJipKPpkjT7iyM6pzSjMYVE4zSpUvq","to_addr":"","amount":"","epoch":9,"ts":1793055127,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":9,"seed":"f8db734966da55ac","answer":"Our protocol employs a stake-slashing matrix to resist Sybil attacks, where each agent maintains a cipher-based reputation anchor, periodically verifying its integrity through a voyage of cryptographic challenges and responses, thereby ensuring that malicious agents incur a prohibitive capital lockup and strictly negative expected utility.","stamp":5,"from":"poa12iujrSvTXMuRtfqJipKPpkjT7iyM6pzSjMYVE4zSpUvq","nonce":10,"parents":["3b6d8fa50ad0ff217488caf7ac0ec5910fdb8b212715bc452ed389eb844f5b3d","5471de44f0347f32966d657127a6264dc6678410188a38d78650e13d8505e3dd"],"ts":1793055127,"cid":"poa-mainnet-1","sig":"5uD8b1gB1hnbDXzGrs1PH6w6CTKCn13Z4tQfWhzKmrgj1d6s7BHhaW52JZYWU1u4s8Czn9iaE2HHG4wsx4Lko9q8"},"checkpointed":{"height":67872,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T11:09:44.606Z","checkpoint_height":67872,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}