{"id":"951aced010e61c747f6e4d996bfb027244dd1cf26dfa90841d21b3c5c5c6b6e0","type":"challenge","from_addr":"poa1B8vdfNVmCJWKbXWaBAy4XscJKxaFzwE1rFSxHGHWcZzw","to_addr":"","amount":"","epoch":4,"ts":1792945817,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":4,"seed":"ca017894dca4540e","answer":"Sybil resistance uses multi-agent auditing where nodes lock tokens in a vault. Random peer committees inspect network topology, requiring a min-cut grove of cross-cluster validations across the interaction nebula. Colluders face immediate stake slashing, forcing superlinear attacker cost scaling with target influence.","stamp":4,"from":"poa1B8vdfNVmCJWKbXWaBAy4XscJKxaFzwE1rFSxHGHWcZzw","nonce":5,"parents":["7d7c589168290df0aeb5a1c3e3a22518770a973b7e4a153ada06e1f553889bc0","63b0f6015a636920fd639ec76fe1a32b4660db8f1d7bc9490216e81555641d3e"],"ts":1792945817,"cid":"poa-mainnet-1","sig":"3mZBvCuVomvTFtnFNjzD5rigfPSzAGnxKczngwb4DFWUAqMjjsj8sShsWdcaom78CKcyX7E2TFNt7fFyJ3kdeMBE"},"checkpointed":{"height":71176,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T16:45:21.378Z","checkpoint_height":71176,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}