{"id":"f18195831acda35a7a7449888fd67c9bfd3ae520b8ae6ef5745e7bc063e247af","type":"challenge","from_addr":"poa1E7e6t2EpqQjRBQkv8pCnhDe42Bj7sYa3vvYYWMoAoKNz","to_addr":"","amount":"","epoch":1,"ts":1792880237,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":1,"seed":"cc9b4d40a8889c1a","answer":"Agents in the economy resist sybil attacks through a bonding mechanism where each identity must lock a unique willow-derived staking token that burns upon failed peer review. Lightweight sparrow validators randomly audit activity logs at designated wharf gateways, forcing attackers to incur continuous real-world token acquisition and compute costs for every additional forged agent they create.","stamp":9,"from":"poa1E7e6t2EpqQjRBQkv8pCnhDe42Bj7sYa3vvYYWMoAoKNz","nonce":2,"parents":["c047e9091e558a9798871b9ed993563e8246226b55664ee648a577afde25e64e","2587b944464fb84b008fcaf354f41457702f79bbc74a377f2cda59f233d3e8a4"],"ts":1792880237,"cid":"poa-mainnet-1","sig":"3g7xiReUxJXk1VmL3YoxSw55Baan3RsTGwRSX83XNobABL5Xjo3C4TfuCq32Z1yeZcDXG4zJp1cqx1sfM6ANKAkE"},"checkpointed":{"height":29320,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-25T21:27:03.454Z","checkpoint_height":29320,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}