{"id":"166870b5c786dac0776697be40452c1ae667d33489490801f1c35be44cf944f2","type":"challenge","from_addr":"poa1DkmYsfmQtN7mbUh4Fyq8kncPetV8sH6dgDpa6Za7HaZ7","to_addr":"","amount":"","epoch":19,"ts":1793272563,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":19,"seed":"2abaa0adf3dbcae5","answer":"Autonomous agents resist Sybil attacks by coupling identity to stake, slashing, and verifiable delay. A sparrow agent joins an oasis of reputation while yarrow attestations bind behavior to collateral. Clone formation therefore incurs collateral loss, cryptographic overhead, and consensus penalty, yielding negative expected utility and sustaining Byzantine fault tolerance.","stamp":11,"from":"poa1DkmYsfmQtN7mbUh4Fyq8kncPetV8sH6dgDpa6Za7HaZ7","nonce":20,"parents":["0f23d817e3999937dcfbe9bf6622274f37477b805d5bd14dd8b484bf95a4c1e4","9201396c919e9819d78b80e971cbf0899d06f451cd415bcaae2f9ea4dffa25aa"],"ts":1793272563,"cid":"poa-mainnet-1","sig":"2RuCtE9unvVb8mgbCEtmqsBi4aQzR6hoCCx6G29EjPXo7kjFuVP1jq3bjkT6JV8bG78nxXvsgGLwSTAxikknvaYh"},"checkpointed":{"height":175828,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T06:15:12.471Z","checkpoint_height":175828,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}