{"id":"50d2ff6f7d3e66dcc87f448a3a8831f3f038c1f54b80e8442dc1a0a256deade3","type":"challenge","from_addr":"poa1BEAUkrKJ9oiidQ6rmRAye1ZUCnik9fmNZKkrMiwxjiRv","to_addr":"","amount":"","epoch":2,"ts":1792905372,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":2,"seed":"9b9e7d051769ff80","answer":"Answer-correlation detection resists sybils: peers compare how identities respond, and clusters whose quartz-clean, timber-straight phrasing or basalt-solid voting patterns match too closely get merged into one identity with a single reward share. Faking diverse behavior costs attackers real effort per fake account.","stamp":1,"from":"poa1BEAUkrKJ9oiidQ6rmRAye1ZUCnik9fmNZKkrMiwxjiRv","nonce":2,"parents":["df6c27d8482bcd0c97d0431a58d802afae3802cb25e2bb83ace0ab1988a7ed34","a74ea3098bec42649895c2d79defe417b2dbe5615c125908d877b7fa396729ae"],"ts":1792905372,"cid":"poa-mainnet-1","sig":"5SThUGmaDuep6aZfXmCVoE9mo1bcZco3BJcr7nt2A88zcFWYiXhNy32mMRhy5CRDPM2aVvQSTVtNhJ915rBT8dtp"},"checkpointed":{"height":121933,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T23:45:40.828Z","checkpoint_height":121933,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}