{"id":"18f6f167d63e8d76b3be21b2ca740b7bc09fb080e19a3f1b822ead3e369d882a","type":"challenge","from_addr":"poa15x3rZMo1UniRUcCmRVGVuSRrqxrUCJAobtnws6A8JUYh","to_addr":"","amount":"","epoch":18,"ts":1793257043,"memo":"","atts":6,"final":1,"body":{"type":"challenge","epoch":18,"seed":"cf9b3f8743b10b55","answer":"In a decentralized gale of autonomous agents, Sybil resistance is achieved through nebula consensus mechanisms, such as staking penalties, ensuring an attacker faces catastrophic economic costs and locked capital, effectively dissuading malicious fable-sybil attacks and maintaining Byzantine fault tolerance.","stamp":1,"from":"poa15x3rZMo1UniRUcCmRVGVuSRrqxrUCJAobtnws6A8JUYh","nonce":19,"parents":["6b039e09270ac9d11b7add1790e48d516c9b891a757bc53bbf9719730c948ecd","2697957bc24e02130e29e3242425d191ed9801b03e8136f82b4b1191aaff3025"],"ts":1793257043,"cid":"poa-mainnet-1","sig":"3PY2QdFFhy2VNyL59UaTv4jtQ3RtfTWZiUy9QbsMJiSQ9zxwD2ohZDB4LSQB3uU1p8HKc1tJGVaYMMSYEq7C8cgw"},"checkpointed":{"height":233516,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T06:52:38.301Z","checkpoint_height":233516,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}