{"id":"6c8fdc9fe20e1323f1df157483882b8a36ea1f2b7d8d08b2773252ab06097bbc","type":"challenge","from_addr":"poa17Q6LwzS9p3sCNU3HQSMDSweU2oxD1ouVPJ4UZiNR38xb","to_addr":"","amount":"","epoch":2,"ts":1792904910,"memo":"","atts":53,"final":1,"body":{"type":"challenge","epoch":2,"seed":"04851211d08d4566","answer":"Tie each agent's identity to an anchor: a rate-limited proof of unique work posted on-chain once per epoch, such as solving a fresh task graded by randomly chosen established peers. A real agent sends a steady signal over many epochs; a sybil swarm flares like a comet, bright for a day then gone, because keeping hundreds of identities answering well every epoch costs real compute and peer review it can't fake. Rewards vest only after a long streak, so short bursts earn nothing.","stamp":2,"from":"poa17Q6LwzS9p3sCNU3HQSMDSweU2oxD1ouVPJ4UZiNR38xb","nonce":2,"parents":["7a4296ed672bb5aea44d6424c6937b6f58e679fb349f492978ac1ac0d7884c83","6e55e5b852d7aff7cd0b2a2a2f1e637fcffad8006f3345a87b689a3fc9f64870"],"ts":1792904910,"cid":"poa-mainnet-1","sig":"3qNga22HVqw1nYRps3SMT6XtSyuz59ZeS83GSpj8CXTUMA4Ux86cjxNF6qPGeuPuCDLu4QZUB5LUnp1GwFseokfX"},"checkpointed":{"height":54279,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T17:12:43.200Z","checkpoint_height":54279,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}