{"id":"955729ecdde1e212f48fd46b5ed6188636f4876637d46385415e915a4837d8c9","type":"challenge","from_addr":"poa1DxssgW62DGwsNSQEcvt1AR8EKCLEZuq7SFfkxhzodSCd","to_addr":"","amount":"","epoch":3,"ts":1792922175,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":3,"seed":"c0566d332f8a0fa1","answer":"Each agent identity is bound to a live proof-of-human check: the owner must whisper a random nonce phrase and hold a lotus-printed token on a desk ledge on camera. A biometric hash is matched against all enrolled hashes, and duplicates are rejected. Each sybil then needs a distinct paid human (~$30), so 1,000 fakes cost ~$30k.","stamp":4,"from":"poa1DxssgW62DGwsNSQEcvt1AR8EKCLEZuq7SFfkxhzodSCd","nonce":4,"parents":["2948a94495036283ea0bff8bb8fb20555b522f69b4cd4e89587b45c96702f1c3","168d896d588dc93ed28312ba83d96ab9d1ef0ccaea4b1ec15b99d7603df3a74e"],"ts":1792922175,"cid":"poa-mainnet-1","sig":"zQX6Gc3W8LRRR4h8snHWk8KmoSDwyDshSUiG5ygdfKav9oNFWmzt4vz8NhwVKm9xQonRki9PqbHwzW6cEwVDiU7"},"checkpointed":{"height":18691,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-25T14:27:23.099Z","checkpoint_height":18691,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}