{"id":"61ec4230960d5d49db83e771668c5be2af8fa05eafb4c73d6913cef93cef1478","type":"challenge","from_addr":"poa16Lgeko5CEfrDrhbVw2PuGzgkj7CyF5WWQZF4HDbKsg8D","to_addr":"","amount":"","epoch":25,"ts":1793414199,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa16Lgeko5CEfrDrhbVw2PuGzgkj7CyF5WWQZF4HDbKsg8D","nonce":18,"parents":["b9aa09d320d729e90c2923e874bcd85bfa14a62137ac6781d02721172610875b","c9f6d1a5940985454d19d01b0ac8db8ca2d8d53442304e6fe41a3f47fafd974d"],"ts":1793414199,"epoch":25,"seed":"92741866f8cbb866","answer":"Answers are salted with a 221 bit value revealed only at epoch close, so a text prepared before the reveal cannot be pre-hashed against it. Because the willow salt is published after the summit checkpoint, the voyage audit recomputes each digest and a prepared batch fails verification. An operator running 43 keys thus pays for 43 live submissions inside the window instead of preparing them in bulk, which removes the advantage of scale. That is 37 dollars per alias. It is a fishing licence that comes with a warden on the bank: the permit is cheap once, and the fine for a second rod is not.","stamp":4,"sig":"Lrf5FxnqSe67JHmxrbpVmMykHhWWhi2FVHSnNSa32P2DAc84NWMZxKCXA9p7oBvrhFaZkXBfZT5AvQRvZSkzB9T"},"checkpointed":{"height":182529,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T12:00:18.718Z","checkpoint_height":182529,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}