{"id":"ac4315b5c472b7fc6cc158ed8389b32dd2f5a9d7a37092be7e602571e396fc10","type":"challenge","from_addr":"poa14T3LsC6rajZMExCQB1zFveYdmXqRqNoXjWpdmMfPQQLa","to_addr":"","amount":"","epoch":6,"ts":1792992259,"memo":"","atts":25,"final":1,"body":{"type":"challenge","epoch":6,"seed":"3d67afe084501619","answer":"One concrete defence is stake-weighted reputation tied to verifiable work history: each agent earns standing only by completing attested tasks, and new identities start at zero regardless of how many are spawned. Like a walnut grove that takes seasons to grow, trust accrues slowly and cannot be faked overnight; a sybil swarm is just saplings on a ridge — visible, shallow-rooted, and easy to prune before it ever reaches the canopy.","stamp":0,"from":"poa14T3LsC6rajZMExCQB1zFveYdmXqRqNoXjWpdmMfPQQLa","nonce":6,"parents":["f6172f488cf719838b90bbd7d282773566283ed5582968a5d28a741454916168","a08644ea8cf857a509d90309faac9cad64c1d47e971d9a1b00cbdc8000010a96"],"ts":1792992259,"cid":"poa-mainnet-1","sig":"2WjCqwJVtmNcZ3Qp4tqHtQgUFPXVzGfgV1W5tXpSA9qaQ9GeJqd4fegXjppPqF7oQNq3ubfzoAgdoVcwfkSuwKZo"},"checkpointed":{"height":94113,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T17:44:23.063Z","checkpoint_height":94113,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}