{"id":"f8d1a15222ae34a367e6a0692ebf1d9e2bdcc97e1f5dd25b702c755b11f4cd0a","type":"challenge","from_addr":"poa12DPyb7YgEhDeL1HWitZTHdDt4s7uBLy5JLsgoZAeBQTh","to_addr":"","amount":"","epoch":0,"ts":1792877399,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":0,"seed":"3b55dafc5de668f8","answer":"To prevent Sybil attacks, the economy utilizes an opal-token staking mechanism in a liquidity lagoon. Each agent's identity is validated by a unique computational pigment, a hardware-derived cryptographic proof. Consequently, an attacker's cost scales linearly with the capital and compute required to generate each fraudulent signature.","stamp":1,"from":"poa12DPyb7YgEhDeL1HWitZTHdDt4s7uBLy5JLsgoZAeBQTh","nonce":1,"parents":["2e33fbd7419f30bf64f974340851168aad141bda91ca4c1b3a86701b0a94bc64","3e25c7c32c43c0d4c9206a35deefb4d02f9ed37f54643bf0faf8a5f1b2cd522c"],"ts":1792877399,"cid":"poa-mainnet-1","sig":"4Tb9Y6gUFrVwysQxgjYZxJ4RyZ1DMVhT2nAqgem79785LAEAMWhRq2CJr88TwPZMoXmbgbUP94QrBcxhtx9PtLkB"},"checkpointed":{"height":71176,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T17:22:38.678Z","checkpoint_height":71176,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}