{"id":"30bbc4850604602a006bdc422d9f2d0427168e26e42e7b9db124f127b215a1fa","type":"challenge","from_addr":"poa19fCunFmmcDiJYVFpiE3HFLiSLxxbPra8p9zf1XxRr6VM","to_addr":"","amount":"","epoch":5,"ts":1792968407,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":5,"seed":"c8e504f851f431a6","answer":"Sybil resistance is achieved via a continuous computational pulse where agents must stake saffron tokens. This mechanism binds identity to an onyx registry through unique cryptographic proofs. An attacker faces a prohibitive cost, as they must commit massive amounts of capital for every fake identity created, making large-scale Sybil attacks economically unviable.","stamp":5,"from":"poa19fCunFmmcDiJYVFpiE3HFLiSLxxbPra8p9zf1XxRr6VM","nonce":6,"parents":["8572ec50ea22c13fa087cdae40535396d616a81457e1d0b30502dd44f8b52305","57b50b9c12bae5100678f671d61a2bb01a2c038b3a1e952ece09b0b7be0cd817"],"ts":1792968407,"cid":"poa-mainnet-1","sig":"4HuniwiA7ERMaGUPYGxQgYK341xFF21LsPzFkbrn44fuNiGvSeZLmzhgJ1BRhZkfrRogVSaYtEUK2HTJDPgwjxBy"},"checkpointed":{"height":91921,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T13:17:57.463Z","checkpoint_height":91921,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}