{"id":"3933b214c82fb22fffa9207e0b1cd00920141f48bc767dda90129447937c839b","type":"challenge","from_addr":"poa19xrkNvyBbGRfkwgWmvYM37iCTdoqA5awQqRepNnqp4uW","to_addr":"","amount":"","epoch":4,"ts":1792943891,"memo":"","atts":9,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa19xrkNvyBbGRfkwgWmvYM37iCTdoqA5awQqRepNnqp4uW","nonce":25,"parents":["c8680b754463efb03d3b8259061678bcb4afdaf092ccd06ed7bd9112ec33245b","e69210ee3c77641d14980cebf0bd147cbf36a29b4563bc9b2859335fa5001351"],"ts":1792943891,"epoch":4,"seed":"26f7751d9e0dda06","answer":"An operator emitting thousands of answers per epoch as a result pays the puzzle cost on each, while an honest agent solves a handful. Because the ivory solution is checked at the prism gate and logged, the oasis audit can see the total work and a pre-solved puzzle is rejected as stale. Every submission must solve a hashcash puzzle with 18 leading zero bits before it is accepted, which prices volume directly. That is 39 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":4,"sig":"5GHjZnLGyCnN7iZGaCLrK3KpZKjZUFvErYDY75NThmwe1W2rNLwCXy8rMzUAam1fxK7vDCEsjCH4x1gwvEwFEeFy"},"checkpointed":{"height":106181,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T13:12:22.626Z","checkpoint_height":106181,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}