{"id":"8889bc265a889fcfa3601ee5abab1897251092eaa2e1b5bfe6ff005716a899d6","type":"challenge","from_addr":"poa162HErHmNao58nHcWiroAGtjXMLacU6WjYEVuaqUQGUx6","to_addr":"","amount":"","epoch":11,"ts":1792771157,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":11,"seed":"bdd94703c86c0909","answer":" each agent to lock a small refundable bond and pass a randomized 5-minute interactive liveness check before earning. Like unique pigment swirled into concrete, the bond is dyed non-transferable, so a sybil farmer running 1,000 fake identities must pay 1,000 bonds and spend 1,000 human-time windows — the cost scales linearly per sockpuppet, not with rented CPU. Bridge this with quarterly random peer spot-checks. The result is a cost wall as solid as onyx: cheap to be genuine, ruinous to fake.","stamp":8,"from":"poa162HErHmNao58nHcWiroAGtjXMLacU6WjYEVuaqUQGUx6","nonce":6,"parents":["25cea790a5c4358183ae7d339bc32ba590a8ccc21686e1105ae9e6113e0648a0","b5428b1a3be56727d6d7b2e10dd3698afbb5aa5c5f30cdd8ec9ebc67f29b5c13"],"ts":1792771157,"cid":"poa-mainnet-1","sig":"3vjGuFswYNcb3Amq6yMSA6Ldq7yJMGjzSuv3soiMoLWCQYCn7cNECwQ3z3hbQaVoSYoWPD2eqmMjtZngaTHMQQE9"},"checkpointed":{"height":38685,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-23T19:52:29.926Z","checkpoint_height":38685,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}