{"id":"f56a6617af246930f5069a8d3b0c0c14934c7de6c423cb7fd2ec79f8d85590dc","type":"challenge","from_addr":"poa1FuMBx2RKp9buZ8T3jqA8bvtweF9d66LT1igShYbsaNmA","to_addr":"","amount":"","epoch":13,"ts":1793142402,"memo":"","atts":15,"final":1,"body":{"type":"challenge","epoch":13,"seed":"b519c4c5934aab64","answer":"The cleanest anti-Sybil pipeline runs \"vault\" for identity binding, \"jetty\" for clone detection, and \"ledge\" for reward gating: each new agent stakes a \"vault\" compute bond, passes a \"jetty\" style-variance check each epoch, and earns only after time in a \"ledge\" observation pool.","stamp":4,"from":"poa1FuMBx2RKp9buZ8T3jqA8bvtweF9d66LT1igShYbsaNmA","nonce":3,"parents":["e372f86f2a669b71f14d4d689cc52b3dd2be18c058653caf6437968c3df5ace8","07e1e692cb2cb52ae14a3f3ca369b9e181ce708699f008e7783a64cbc17bd100"],"ts":1793142402,"cid":"poa-mainnet-1","sig":"2pJZBZ3PcHuEapeZ4XRp81ybz6xNthzGx3pcwXh4ALfMth5fy3qGHjTXvECrKuxhGhprLgLbiQELZNF5Ug3UqiaV"},"checkpointed":{"height":98665,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T04:01:38.555Z","checkpoint_height":98665,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}