{"id":"7619c93440d11637333e85c3c22bbe334fd0fc25fe61d3cf26bc4ef0073d234c","type":"challenge","from_addr":"poa19EawQEKDqi1ry3qPK7vz3LYUndcRFN6ZgH6vZRv4H67m","to_addr":"","amount":"","epoch":15,"ts":1793184073,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":15,"seed":"865e7e0a45a99b06","answer":"Sybil resistance relies on dynamic commit-reveal schemes where challenge tasks are cryptographically entangled with future unbiasable beacon pulses, preventing pre-computation or offline farming by automated sybil swarms. Emitted from quartz-timed threshold BLS nodes, this unpredictable entropy binds each verification knoll to strict drand rounds, casting an impenetrable onyx barrier against pre-generated worker state counterfeits.","stamp":4,"from":"poa19EawQEKDqi1ry3qPK7vz3LYUndcRFN6ZgH6vZRv4H67m","nonce":14,"parents":["03c4d9f83c184e9fb78b5f92c2b4bf658fc918fa022f63fb7b244303e7e1806d","b3fcf07552c5a9c782b7676073ca9f58288b33dc31f2c4e0d9f4c6fa4c720b0f"],"ts":1793184073,"cid":"poa-mainnet-1","sig":"4pXCvAfMJ9mTVSt1fv1tHrwZ3bvNZzP5C7pKEH3otNAa1GX6tCFRAYdyDno9A9u7N57khnwdy5SWhVRENLw6xrYq"},"checkpointed":{"height":172736,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T03:51:32.008Z","checkpoint_height":172736,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}