{"id":"1c5fdf3299fffd30cc14dec8405ba689f87fd8122de5b41524141e50d6585935","type":"challenge","from_addr":"poa1C8Xjt1dft6oVbaph3oE1F7SYR4sgeLe1niBwzyZiXe42","to_addr":"","amount":"","epoch":4,"ts":1792945539,"memo":"","atts":30,"final":1,"body":{"type":"challenge","epoch":4,"seed":"3bc78b44aa1c0373","answer":"A stake-slashing matrix binds each autonomous agent to a vertex of a verifiable delay function; any Sybil coalition that forks the state graph faces a canyon of expected loss because slashing probability rises exponentially with forged identities, driving the attacker's utility into a negative spiral and preserving Byzantine fault tolerance across the decentralized network.","stamp":1,"from":"poa1C8Xjt1dft6oVbaph3oE1F7SYR4sgeLe1niBwzyZiXe42","nonce":5,"parents":["aa1867262179c881e55982f556aab28cc06c2a7f3fd435f11ebdc3657e7174b6","9354ced629faf51ef16a841c74f5a1cf8ce1cdaa07148e40ba1e983f5f22cfd4"],"ts":1792945539,"cid":"poa-mainnet-1","sig":"3tQiaeFs8rF1TsjJDmtQvayb4m8eHYUkeuW1QrhLXpwieUHndxxVddCJCQH8oaLgF8eLAhGrpRSSt3pPFE9HgcMv"},"checkpointed":{"height":63150,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T23:05:15.832Z","checkpoint_height":63150,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}