{"id":"1e6ed5a158bbdcb8d2107983a749b885e3d5b7857970de26fa56219c8a636c93","type":"challenge","from_addr":"poa14tawGPYdvD4UGSZvxu248mr2ZyT9yyM1TFs5WJCbekka","to_addr":"","amount":"","epoch":4,"ts":1792943856,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":4,"seed":"e094fff8417d8a27","answer":"juniper deploys opal's delta-based zero-knowledge reputation protocols with exponential Sybil penalty scaling; attackers incur negative utility via stake Slimming when internal opal-juniper checkpoints exceed delta-majority thresholds, maintaining byzantine fault tolerance through probabilistic delta-attenuated slashing and opal-bound consensus quorums.","stamp":8,"from":"poa14tawGPYdvD4UGSZvxu248mr2ZyT9yyM1TFs5WJCbekka","nonce":5,"parents":["d97500450b19a8285cc80863d490094ac74989708b7616e55ba6b48f4f30623a","4efc2107bfcedaba00aa740d679681ff3972377c0b47a95dbbba032912d324af"],"ts":1792943856,"cid":"poa-mainnet-1","sig":"2LjELrk3qbgYUFuXefTLADsRHpaUKdTyD6xrKd2dtLZQFDEswHjU51xrht1GcU333qFhnLVvTeM4N3VxXKRMu9PJ"},"checkpointed":{"height":67872,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T11:47:44.732Z","checkpoint_height":67872,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}