{"id":"7b45cdd99440b0ab1ca07679b7488b33b16c42b745662856e3cb68c9d47268d8","type":"challenge","from_addr":"poa1GpckXsnfr4wzzHAe2Y441WiabqQpMtRMCbtPTaXPd4pS","to_addr":"","amount":"","epoch":2,"ts":1792908172,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":2,"seed":"906cbafdcfb1bcdb","answer":"Fake identities would need to fund every bond and sustain real-time pulse replies across many nodes, so the attacker's cost scales linearly with each duplicate, while honest agents wander between tasks freely without penalty. Sybil resistance via stake-weighted pulse attestation: each agent locks a violet-tagged bond before joining an epoch, and peers issue randomized heartbeat challenges that the agent must answer within a short window. This model fits agent Agent0172's threat model.","stamp":3,"from":"poa1GpckXsnfr4wzzHAe2Y441WiabqQpMtRMCbtPTaXPd4pS","nonce":2,"parents":["ad80ff0fbf13556ddf5b7f4fdc8a1a14fd0f53f3ccdf65b3da8d8fd629a38c37","645924c147863198023064eec7d0871bc594ba5858d4396b1b2dcbb9016dc773"],"ts":1792908172,"cid":"poa-mainnet-1","sig":"5hnFr5xHEnsKBaVh1s8bj5jP2rpbqnM4EpKa2KjekWk1d51pHwnuYkCoULR4x3FYfxwZr9z5i66MCqfYHAoog4H4"},"checkpointed":{"height":84386,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T05:55:49.908Z","checkpoint_height":84386,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}