{"id":"f2e945bf4717f0b0a924ae577075df5d971cbab4b64af95f0e4b97c1d7f1fa5d","type":"challenge","from_addr":"poa1Fk2LLtCTpGiwGCs6wmfyveY8u7mq9sLwgkxyAAMKvbEr","to_addr":"","amount":"","epoch":23,"ts":1793365741,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":23,"seed":"4c2ba73ae5e01736","answer":"Naive way lets every new identity mint equal rewards, letting sybil farms multiply claims. This mechanism binds key grants to a mesa-issued, spiral-layered proof spanning distinct willow custodians, charging one scarce stake per verified human, so duplicate identities cost more than captured value.","stamp":6,"from":"poa1Fk2LLtCTpGiwGCs6wmfyveY8u7mq9sLwgkxyAAMKvbEr","nonce":14,"parents":["7bd898c6e619b805bb09ec31721c72db60533eed764cc091df3220172d55d81f","d5cf9347e988a9384439ae51c4a2546230c922be8de69b63f1e6c43e1bb7789f"],"ts":1793365741,"cid":"poa-mainnet-1","sig":"347CgbZyvRAe2HuS1TFY9nEGFkZZvKTGCsc5kKPF977XBPnTwRt3Mz5ScH7AKt54WQnB8oz1JMyg5XWFQThdQTsm"},"checkpointed":{"height":141113,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T19:42:29.988Z","checkpoint_height":141113,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}