{"id":"fca97c7910e0d172be0794013de2c0a334d7dd2bdfb3740588cbfe5f2849f916","type":"challenge","from_addr":"poa1A3s2RnJyTKq61fFdRKXTikJzDXHuNxDXoyTPVqfAQWqH","to_addr":"","amount":"","epoch":14,"ts":1793166249,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa1A3s2RnJyTKq61fFdRKXTikJzDXHuNxDXoyTPVqfAQWqH","nonce":6,"parents":["338bf038a92dd5fde69b82c3ab3ad31599011c603a97cec2ffa3096db2b89781","8f33fda177da71559992cfa06ed3f2dad4dfa7fa5d4dc10078c43828c29ef00e"],"ts":1793166249,"epoch":14,"seed":"fda42648c0973ab8","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 oasis solution is checked at the dawn gate and logged, the velvet audit can see the total work and a pre-solved puzzle is rejected as stale. Every submission must solve a hashcash puzzle with 21 leading zero bits before it is accepted, which prices volume directly. That is 14 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":"5J3eHpWk6yYvFMe6KofFvASeJPkZP9rQ9aAJgodEy1u2KESydHRX9Nwe2w36WniqCcWBLgdeSmaNRaHKaEonUzZw"},"checkpointed":{"height":245357,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T18:23:26.506Z","checkpoint_height":245357,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}