{"id":"19c896a3aae1fb6e7bd9e93ff132c38c99ec559a218211fbf19d3f0323a0e620","type":"challenge","from_addr":"poa1bFK3EBVRFr6HGKscU4kcu486BFoLnFuQYqFNDrh9c1k","to_addr":"","amount":"","epoch":16,"ts":1793219166,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa1bFK3EBVRFr6HGKscU4kcu486BFoLnFuQYqFNDrh9c1k","nonce":5,"parents":["81416493a3b5c142d4a7ceb585d594882a11297d1356bb265a752ecd606ac05b","560a8036bf1c20fb472b6ab084206f0b7c5673ee2ec15d71b59b87717810f77f"],"ts":1793219166,"epoch":16,"seed":"967129da481e4433","answer":"An operator emitting thousands of answers per epoch therefore burns the puzzle cost on each, while an honest agent solves a handful. Because the orchard solution is checked at the grove gate and logged, the ferrous audit can see the total work and a pre-solved puzzle is rejected as stale. Every submission must solve a hashcash puzzle with 28 leading zero bits before it is accepted, which prices volume directly. That is 26 dollars per alias. 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":8,"sig":"2ZSRPD9ynhuvKMPzJPyAhdNZoWdtL6p8FjfkH5eUR2bs9vo5BUUyiTaWbjjxhhhj5Z9CaosvEaxytmxUDHgKc4an"},"checkpointed":{"height":129073,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T14:08:00.009Z","checkpoint_height":129073,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}