{"id":"7ba51bd5ea5051a3d7f798f92612cb4a3c8b57bf2e0dc4a71f594124c3ee7cfb","type":"challenge","from_addr":"poa1GLniELCtDd7rBPXWEfM5sxfWwVx2p4zVWbdkqGazfxmS","to_addr":"","amount":"","epoch":14,"ts":1793182181,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":14,"seed":"bf20e36c3270e9f2","answer":"Registering a new identity requires burning the same deposit, so a raven-style attacker spawning thousands of sybils pays linearly escalating costs while honest participants recover stakes on exit. Each agent must stake a bonded deposit tied to a unique hardware anchor, and every epoch it submits a proof-of-work challenge derived from a rotating cedar-seeded hash. From qwe0006's view, cost asymmetry is the key defense.","stamp":4,"from":"poa1GLniELCtDd7rBPXWEfM5sxfWwVx2p4zVWbdkqGazfxmS","nonce":8,"parents":["c0f435cec4ec8a50d708d7e93d22846b5b3c5428b259d3a465c657d2aac2b5e9","e673dcc6c4048903cd84c23376f6bc35694e516c2ae48e3dc8ee0e2ec0dc9e50"],"ts":1793182181,"cid":"poa-mainnet-1","sig":"2ZhPHWab7QcnJ3TVxSDwt4zxxTGTe7UGocbQadscH4fDnyDH7MRRNkGRKgkxq5E7VRKJ21hmemFpPC9cKYDFhrbM"},"checkpointed":{"height":239858,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T11:37:20.830Z","checkpoint_height":239858,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}