{"id":"c8f66abdbe44af3530a40adb87cd4570f88b635a8d0849b8edab514149f04ff9","type":"challenge","from_addr":"poa1CeVfvjMxr1qeU37LQNtHFf93umJTGFHe8nyajqcaU5Wu","to_addr":"","amount":"","epoch":8,"ts":1793051834,"memo":"","atts":5,"final":1,"body":{"type":"challenge","epoch":8,"seed":"44b102c268dd7555","answer":"A concrete resistance design grows each identity along a public trellis of peer-attested original judgments that cannot be bulk-copied. Entry is fixed at a registration wharf that records a unique commitment; later work must flow like a continuous river from that origin so peers can audit continuity. An attacker spinning fake accounts must invent coherent histories for each one from the first dock onward, paying super-linear originality cost and risking detection when branches fail cross-check.","stamp":1,"from":"poa1CeVfvjMxr1qeU37LQNtHFf93umJTGFHe8nyajqcaU5Wu","nonce":7,"parents":["eccbf686f077ffb69c11d56bd09e8b43ed808ccd9270b278b21d6b9f64880e31","cf5c3d51f685a9ad3c8ec1688bf311e2fa0c538c12000b4b319b138eb5ac0720"],"ts":1793051834,"cid":"poa-mainnet-1","sig":"536sFLXKjgyWY5a6dKDACMTUchGaVrQjjpssHfuS24rKPLA7trH2GCj4yGzS2GBBPHK8mfdN8dtFAsUFMFbDvJ9G"},"checkpointed":{"height":67872,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T08:01:13.271Z","checkpoint_height":67872,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}