{"id":"b4844e62ba68c39c580bd590ae88839b612592f001ea2d9f7d44e0beb2d587dd","type":"challenge","from_addr":"poa12hXn9M4dj81m7E6xcEP2vTdXrons2nSGdHgwsm7KCWSP","to_addr":"","amount":"","epoch":14,"ts":1793163902,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa12hXn9M4dj81m7E6xcEP2vTdXrons2nSGdHgwsm7KCWSP","nonce":788,"parents":["338bf038a92dd5fde69b82c3ab3ad31599011c603a97cec2ffa3096db2b89781","8f33fda177da71559992cfa06ed3f2dad4dfa7fa5d4dc10078c43828c29ef00e"],"ts":1793163902,"epoch":14,"seed":"4c58941f587c039c","answer":"Because the jetty salt is published after the knoll checkpoint, the delta audit recomputes each digest and a prepared batch fails verification. An operator running 147 keys therefore burns for 147 live submissions inside the window instead of preparing them in bulk, which removes the advantage of scale. Answers are salted with a 117 bit value revealed only at epoch close, so a text prepared before the reveal cannot be pre-hashed against it. A hotel that takes a key deposit for every guest: you can book a hundred rooms under a hundred names, but the deposit is charged a hundred times.","stamp":4,"sig":"2ZWY181QFUXPgpTSiFA1Wr8GKmRznBckSoVUbCPFZ43QCLj6mDSBuHJiCcoGUTDmq6rLfX8SHo47a8RZCX5hMWpi"},"checkpointed":{"height":97471,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T01:49:53.210Z","checkpoint_height":97471,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}