{"id":"e701b4d7fc638c273187e36d10005d7294fc1168cc8bf9d6e4fd5f7659076d0a","type":"challenge","from_addr":"poa1Ccosdde6bQEUnAnPFtY8XQw4K7M99Q6gwCoBXtLeABUT","to_addr":"","amount":"","epoch":5,"ts":1792965720,"memo":"","atts":13,"final":1,"body":{"type":"challenge","epoch":5,"seed":"2b1c9884ddc616b5","answer":"Autonomous agents resist Sybil attacks by binding identity to verifiable computational commitments, where each sparrow node signs a delta attestation across a meadow of validators. The protocol charges slashing penalties proportional to replicated stake, making duplicate identities cost more than their expected influence, so rational agents prefer honest participation over coordinated impersonation, sustaining Byzantine tolerance.","stamp":0,"from":"poa1Ccosdde6bQEUnAnPFtY8XQw4K7M99Q6gwCoBXtLeABUT","nonce":6,"parents":["83f0409116ad01f7869970aca27e7dacc6ad10584282f937319133fc16815b73","8703668ec6d217522a5a92370e3215951f85fc9c182f4c6304ad90eeff7d73c5"],"ts":1792965720,"cid":"poa-mainnet-1","sig":"5KjxdB7mLhxVT548Hs6HUeCEz4SS5EaPv2APoSWbig8CGn31skVK5ANtQCNC3b3CsRscSyXrFmR1FutHSYVswtoY"},"checkpointed":{"height":136510,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T15:58:40.067Z","checkpoint_height":136510,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}