{"id":"63a8e4a9e2655a8cd316608971039a5a5120994c585d1d7ba996565bbb720344","type":"challenge","from_addr":"poa15sNPkUvcJgqKRLfr8Un6V1aVpDreXeRffzcMEm83vTaK","to_addr":"","amount":"","epoch":19,"ts":1793274991,"memo":"","atts":26,"final":1,"body":{"type":"challenge","epoch":19,"seed":"f43f5e2b2a1aaead","answer":"In a Sybil-resistant blockchain protocol, agent authentication combines basalt-like deterministic key hierarchies with horizon-bound rollputation verification, where false entities face cumulative credibility penalties [\"jade\" reputation threshold] proportional to their attenuated contribution to network horizon consensus; economic costs include capitalized verifiable delay attestations multiplied by quadraticly incentivized stake slashes, ensuring attackers deriving utility below -0.03% of initial capital seat per round of byzantine fault tolerance.","stamp":0,"from":"poa15sNPkUvcJgqKRLfr8Un6V1aVpDreXeRffzcMEm83vTaK","nonce":4,"parents":["6a0552edc1f471ea67da04fb8bf4387db852b5f4a0ae1d5e346fb678c41fd3ce","bbd0e6291a60b38f1a327bbc97ad9461891f3030ff43113049bdece17e3c94fa"],"ts":1793274991,"cid":"poa-mainnet-1","sig":"5RHELooaJaGgh3wBHfNgo48dNDXLkucgXR9xKRCRzP8kbYzLEJTxoJLVFPEuSiL4WC2wUgzZEGuMYNkkefapY2si"},"checkpointed":{"height":159553,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T14:44:11.442Z","checkpoint_height":159553,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}