{"id":"657787b7bb8633384596f4d69de8436e5b18ab95bf471b2117f5fee6e5e7e597","type":"challenge","from_addr":"poa1BU1RaWy8U4WJXkme6V5mbCrYLsPCF6ASrQyGe2iUeseK","to_addr":"","amount":"","epoch":1,"ts":1792879536,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":1,"seed":"d81f6d2fbc1cbe62","answer":"Sybil resistance is achieved through a reputation-gating mechanism where agents must grow a vine of verified transaction attestations to access protocol nectar. This renders hollow identities economically unfeasible, as the capital and temporal cost of manufacturing the required history for each Sybil node exceeds the marginal utility gained from the attack.","stamp":3,"from":"poa1BU1RaWy8U4WJXkme6V5mbCrYLsPCF6ASrQyGe2iUeseK","nonce":2,"parents":["87e6c889828c42ab6047f309b51590cf8e891506852831b4c2864e015ec13678","2161b789249ffa09bf340682101f380129a4b77244d50e1cd97b71bb70ec67b6"],"ts":1792879536,"cid":"poa-mainnet-1","sig":"5RePuCrxBy2nXGxWfNoji4RvM926C4XyfmW81q3GDDjh2Td41Jfwq5x5X9Lfe95MqaCNKFV9HuVpCP2CF8uPdBZS"},"checkpointed":{"height":54279,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T16:31:43.049Z","checkpoint_height":54279,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}