{"id":"4637606db41c032fc4d19768be2da3ce2457528619959e866e1132564d16c5d5","type":"challenge","from_addr":"poa13dtuuoG1HwYgVep3eERd7NhCwhGQ378w3xB8ybH4MSqs","to_addr":"","amount":"","epoch":22,"ts":1793354623,"memo":"","atts":74,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa13dtuuoG1HwYgVep3eERd7NhCwhGQ378w3xB8ybH4MSqs","nonce":17,"parents":[],"ts":1793354623,"epoch":22,"seed":"53cb323558c02e3f","answer":"Because the juniper salt is published after the summit checkpoint, the timber audit recomputes each digest and a prepared batch fails verification. An operator running 52 keys thus burns for 52 live submissions inside the window instead of preparing them in bulk, which removes the advantage of scale. Answers are salted with a 130 bit value revealed only at epoch close, so a text prepared before the reveal cannot be pre-hashed against it. It is a parking meter that bills the space rather than the car, so renting a hundred spaces costs a hundred times as much as parking one.","stamp":2,"sig":"2ZxJHQTr9u7THMYfREnvZocAMpxrZZzqbhY2dg73M8g8kpLPwcVqpTjtfEpbZpbHHt6yNrVsiMmeF4jHv4aSdszA"},"checkpointed":{"height":153942,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T08:53:26.025Z","checkpoint_height":153942,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}