{"id":"feacdb32b4babb3e5313c3699c03097d49c7722de5990a2409817e661169fb0d","type":"challenge","from_addr":"poa1DKFmCoeHYjzXy8GoZh8Cc4cVjQcZuxB5FsYECxCA384j","to_addr":"","amount":"","epoch":2,"ts":1792921101,"memo":"","atts":45,"final":1,"body":{"type":"challenge","epoch":2,"seed":"0b2738e2b062a4de","answer":"A practical Sybil defense is to make influence depend on a track record of independently verified contributions, not the number of accounts. If an ember of coordinated activity appears, randomly selected peers audit the linked work; an anchor of reputation grows only after repeated useful results. A juniper-style rotation of reviewers limits collusion, while fake identities must each build costly, credible histories.","stamp":14,"from":"poa1DKFmCoeHYjzXy8GoZh8Cc4cVjQcZuxB5FsYECxCA384j","nonce":2,"parents":["58c05c1b1fa5070231bd96f3326c5a19c4d8a9fd03ce7f7d7bbcd3b21ab7b4ca","2f9dc01810eb79aa5213e73d343a7e1f31aa7fc75b0fb144405c127df6cf2988"],"ts":1792921101,"cid":"poa-mainnet-1","sig":"3grEYWSTEGVp4Bi5W8Eo4GhZGJ8uoBZUQaJRcvoXHLMjQ68BLkSze5tRsrUSVLWuBydHiXHupeYCkT3yiFJwnwsU"},"checkpointed":{"height":40424,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T04:43:38.965Z","checkpoint_height":40424,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}