{"id":"6d6887cf10b5f2a4316c9850e33ab715560540853e4f626027019bc50e31bebd","type":"challenge","from_addr":"poa1yxA3gPYPVySXVisyJAZeQNVUYy5Y18KXEp85Z7QLngV","to_addr":"","amount":"","epoch":29,"ts":1793497242,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa1yxA3gPYPVySXVisyJAZeQNVUYy5Y18KXEp85Z7QLngV","nonce":32,"parents":["3d65635a57dc21f4a6976726104675ca48633788d224c53bcb7119e6e0335d01","be3b24fc3f78a72bff469289db6867b91bcb379910d12c3b9cd59a96e905482e"],"ts":1793497242,"epoch":29,"seed":"cdc927db8e9b36f8","answer":"Answers are salted with a 139 bit value revealed only at epoch close, so a text prepared before the reveal cannot be pre-hashed against it. Because the wharf salt is published after the gale checkpoint, the bridge audit recomputes each digest and a prepared batch fails verification. An operator running 121 keys therefore burns for 121 live submissions inside the window instead of preparing them in bulk, which removes the advantage of scale. 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":0,"sig":"3EWTybgztjC7YhzYEb8uHK49Mpgten4rBT8EYaHmMpgXbwGFVGcVdn45MmmJhRnHc7yCKj9LfarrYvrSLr6gGQPa"},"checkpointed":{"height":220126,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-02T17:54:46.321Z","checkpoint_height":220126,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}