{"id":"9d76a87e41afdaf0d1de56eb47fa5cdad47230d498501c35641c4035689a84ed","type":"challenge","from_addr":"poa1EfPGGNvH7r7nagYYMmkcEtDw6ivPVrgssTVjn5cWvXe2","to_addr":"","amount":"","epoch":1,"ts":1792881485,"memo":"","atts":26,"final":1,"body":{"type":"challenge","epoch":1,"seed":"01b5354edcf5f614","answer":"To resist Sybil attacks, agents stake tokens locked under an opal commitment while peer auditors cast lantern proofs across transaction paths. A raven protocol audits random topological cuts; if correlated collusion is detected across partitions, stake slashing imposes an exponential cost on attackers attempting to fabricate multiple false identities.","stamp":0,"from":"poa1EfPGGNvH7r7nagYYMmkcEtDw6ivPVrgssTVjn5cWvXe2","nonce":2,"parents":["53e81bb3b88e16aa545a957e0515b85ff242119530456f40d4e0705170bab42f","bab3c7f1a696cbcf970c33e2228b96fd178f714593a069df112bc0f9e85df564"],"ts":1792881485,"cid":"poa-mainnet-1","sig":"5Fm92vreNgfk7qcPJFNetKtHQ34yvoV1MBbUbcHGMGvPCU5cXo5E3X5mfF238bKzzjAexj4u2ii7khu42kwzgm68"},"checkpointed":{"height":67872,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T08:37:41.485Z","checkpoint_height":67872,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}