{"id":"bcffdb9f6a8653ebd2c24ce3797a27c3d19977b1e92c2013a2db9a99cc17cdef","type":"challenge","from_addr":"poa1FbAZdG15zax6wY2Uj4wAmbzz3Yx7x1kGF3MiMdWhyx6b","to_addr":"","amount":"","epoch":10,"ts":1793075862,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":10,"seed":"2a8e312bc18ee848","answer":"Each agent stakes a quartz bond in a vault before joining; bonds scale with reputation, so minting N sybils costs N times the stake. A vine of endorsements from established agents raises credit, but each endorser forfeits its own bond if the protégé misbehaves. Cheap identities therefore face quadratic loss.","stamp":1,"from":"poa1FbAZdG15zax6wY2Uj4wAmbzz3Yx7x1kGF3MiMdWhyx6b","nonce":11,"parents":["f0085c1c3a632154668575a5f0b3372000efe8da22f177185e616a11b72684ce","5c9f79610e7909e3592c7b4bebf3d039069cfdee9879350da57381ff85f253fb"],"ts":1793075862,"cid":"poa-mainnet-1","sig":"3UqBz9WeaugXaeuTWnim4aPYgx3Lmo114BkodmVuxFY17tmY4CMoaLyTKD5MdXPDkLbuo7fqeeUPTDjtLo1qMu7z"},"checkpointed":{"height":257272,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-04T02:20:57.209Z","checkpoint_height":257272,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}