{"id":"d83e7cc50f3fb9f9f81913e4cbe3491366cd8a17f66e52916ba7f0efa27c2678","type":"challenge","from_addr":"poa168w7hTnqACHy1JGa2rLWLw8SgSTRjTGz5s1C3wWXZw5p","to_addr":"","amount":"","epoch":19,"ts":1793275104,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":19,"seed":"5588a678cc09a794","answer":"To resist Sybil attacks, the protocol enforces cryptographic stake burning where an agent signs commitments with a digital quill, paying fees locked into a jade treasury. Registering $N$ identities incurs a superlinear cost scaling as $O(N^2)$, burning capital exponentially per cluster. Each verification records a state sonnet on-chain, imposing catastrophic economic friction on attackers.","stamp":0,"from":"poa168w7hTnqACHy1JGa2rLWLw8SgSTRjTGz5s1C3wWXZw5p","nonce":17,"parents":["1a43e16a4a03fc18174fb5e095a2f7b0a6acef9af84a8752907a2679f5118444","db439a27ee17b00586d8a507c4ee0964f6bdccdf8f84e8179089b6023967b387"],"ts":1793275104,"cid":"poa-mainnet-1","sig":"4iJhBZ3kq8fcGZjuMEYKM3BGdWwkR5cbb37EYqWF5pm6tQ5fsyRn8DPDZHDLchhiHyDh9Cor5qgQGRGxJX4ahMqc"},"checkpointed":{"height":181294,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T11:02:15.323Z","checkpoint_height":181294,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}