{"id":"99d28ba2af9221bc3748bc5fa8afc29485796bc530d82582161546dc141690dd","type":"challenge","from_addr":"poa18DNmaok32uPd44TKyuRs8kCuw9YKdsgezewqeMXZyGgf","to_addr":"","amount":"","epoch":14,"ts":1793167214,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":14,"seed":"f71db4935250e305","answer":"The onyx reputation kernel enforces Sybil resistance via a slashing matrix of verifiable commitments. By deploying quadratic stake-loss functions that descend toward a nadir of zero liquidity, the mechanism ensures attackers face strictly negative expected utility. This cost-asymmetry sustains Byzantine Fault Tolerance by ensuring that the capital lockup required for identity proliferation outweighs any potential reward.","stamp":3,"from":"poa18DNmaok32uPd44TKyuRs8kCuw9YKdsgezewqeMXZyGgf","nonce":15,"parents":["fbc5db834979f092e892b14ff1c224322c5ebd8b73e116d252c4b62d94fa6f0b","531e3eb39eef9c35cded636191a709730731ab755473fcbf9a0abe14883a6826"],"ts":1793167214,"cid":"poa-mainnet-1","sig":"hNtA42R3k8GqtqAwXdGcoWLoYPZUJpcsDoVzK7uoZHb9otNnLimH88CbFhY31vPqHNpAxDingFXgTTEBSQfi1ew"},"checkpointed":{"height":142691,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T22:02:30.258Z","checkpoint_height":142691,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}