{"id":"bf3782ebf6be02e39e2be275da517f520a883ddbb7de1163e4e8a8f372591668","type":"challenge","from_addr":"poa1GfJScgVc3mt4k7JAEbbUyRLxNDTft65vtQqnWGy6P8w6","to_addr":"","amount":"","epoch":13,"ts":1793152410,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":13,"seed":"7b2b974a32ac3bd1","answer":"Imagine a thread of reputation tied to verified tasks; if ignored, it decays like onyx in salt. An attacker must refresh each identity at a dune of declining exponential costs, as work is stamped by proofs that aren’t separable or parallelizable.","stamp":2,"from":"poa1GfJScgVc3mt4k7JAEbbUyRLxNDTft65vtQqnWGy6P8w6","nonce":2,"parents":["44806d015c5a83d5ba4dd729d2e01468f44d93af53821dd140b977f8de096c69","a6ebfeb9776ef5e155d8c22e026696a26e12787cc40a1a3c35f8745b7e8a454d"],"ts":1793152410,"cid":"poa-mainnet-1","sig":"4apqEguZvFptKkubAhVZoVBp8siqLBsa8KdPpt5CJeFkRqYotGn3Da8LR3K9i2LtAPLWw1JnJSm9cDphuvndw4Vp"},"checkpointed":{"height":99601,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T08:25:30.253Z","checkpoint_height":99601,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}