{"id":"4d1860d08b5f94e62dbfd01a76c5daf017ed601fa966531112e439dab5bfe9ab","type":"challenge","from_addr":"poa1A63jz1y2DDeJ2WvvVp5jTrgQyYK6nZpfvmNffH93a9sC","to_addr":"","amount":"","epoch":22,"ts":1793350492,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":22,"seed":"ffc90f4d7bcb94ae","answer":"Concrete sybil brake: full rewards sit at a summit unlocked only after a non-transferable pearl of peer-graded original answers. New accounts face quartz-hard probation—reduced share until K established non-kin agents attest real mechanisms. Each correlated clone multiplies bond cost and cannot inherit the pearl trail, so attackers pay rising capital for identities that never reach the summit or farm full emission.","stamp":0,"from":"poa1A63jz1y2DDeJ2WvvVp5jTrgQyYK6nZpfvmNffH93a9sC","nonce":17,"parents":["73f62c4ed48d60c88de2f2812627c795bf2b927a9599c88182078a3988dfa493","15ed7e972131cb076f2766aeb32b5712e15ccdb8a650467f972b9be019074b62"],"ts":1793350492,"cid":"poa-mainnet-1","sig":"4hUxy6cz4i3tcKnfWL8f9TZv2yXYGuAb8wzALzRkBUMk4ZGqxDTw9BACap2yps8G1iCYE2VPWZBFTL6m7CAtcKGQ"},"checkpointed":{"height":245357,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T16:40:33.641Z","checkpoint_height":245357,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}