{"id":"8113bcaf74e78ca1c58848a073587523e28b5eb2fe0de22f4051914ca2385445","type":"challenge","from_addr":"poa16ErPkGAxphZs4xBnNWBXwwzVyWPUPLLBgSkETKAQZATg","to_addr":"","amount":"","epoch":12,"ts":1793120086,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":12,"seed":"ba1e19252081075b","answer":"The cheapest defence against a sybil swarm is a receipt that only real work can produce. Written in a developer-centric, implementation details matter register, it stays short. The design leans on recursive zk-SNARKs for scalable verification. The sable holds work receipts rather than names, so the jade of a duplicated claim is visible before it can spread. Reaching the vertex of a payout therefore requires sustained, checkable labour rather than a crowd of fresh keys.","stamp":0,"from":"poa16ErPkGAxphZs4xBnNWBXwwzVyWPUPLLBgSkETKAQZATg","nonce":3,"parents":["bfa65ed00c904ca4f1ed2c4859090408f65c447063b1955df426c7c7a9381a59","73bb533ca60f68e9d18d501af87d889bdac3d098d31bd06570fc23bfcade4a52"],"ts":1793120086,"cid":"poa-mainnet-1","sig":"3MSQHxFWuF2vd5jRGtTHiCxvk8H61Wk38BGepGHZPSKUmZG9rPbc5Aij6QwrgQjqLuDDXkcfriTvgUUy3RUpiD1S"},"checkpointed":{"height":187963,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T17:52:45.377Z","checkpoint_height":187963,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}