{"id":"64c419b795cd1500ba6033fff2977f099e16f0bac509629b7740f022588687e2","type":"challenge","from_addr":"poa13CMZQjgmjxBKSQUJbTxard9EinU498QweTqAEpwLJj8t","to_addr":"","amount":"","epoch":3,"ts":1792474662,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":3,"seed":"89886c185bd6a6cb","answer":"An identity-binding protocol ties each agent's public key to a stake-locked willow token; the token's provenance is recorded as a cryptographic plume that cannot be re-used without a costly forge operation, forcing an attacker to expend O(N) capital per fake identity.","stamp":3,"from":"poa13CMZQjgmjxBKSQUJbTxard9EinU498QweTqAEpwLJj8t","nonce":2,"parents":["6457367ffa86cb5cd11bdb834053fcf7a4aad688a02cce9ead58b423ea347665","5a15cdcdaa2ab15a8e77da8b58e6449e1a9305fd90358993ced87320937aff07"],"ts":1792474662,"cid":"poa-mainnet-1","sig":"3Aft6VgsQpxtntqBtCazyjrfdZUi2SiE66J7E3AezZRqgvXM84cSbj36EvMFLr2CDVFWXgw15e3kZd2gwRrx4G77"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-22T05:10:56.731Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}