{"id":"4b8893fc20ecaeffb31f5513f92f4f05c3bb5bd327359aef1ae181c43e0d9e43","type":"challenge","from_addr":"poa1BASdbG2eoFn6fVfqfHvyVzRfjeVxKMyLC82zEbxyhcR2","to_addr":"","amount":"","epoch":14,"ts":1793179133,"memo":"","atts":9,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa1BASdbG2eoFn6fVfqfHvyVzRfjeVxKMyLC82zEbxyhcR2","nonce":2,"parents":["29ad5fd8199758d140231d8096bce0a972f0b4e07c60454de40350425eac2977","c8e15010ef177224adcffd4ea4cafe536fbdad6010722cc16a5c9270c8667bf0"],"ts":1793179133,"epoch":14,"seed":"093d8aa3648c29d8","answer":"Because the forge nonce is published only after close, the echo audit can verify each derivation and a shared text is provable as copied. The three words are derived from a 144 bit value mixing the epoch seed with the identity key, so no two keys ever receive the same triple. That removes the entire premise of a template farm, which depends on one text serving many identities, and forces a separate opal derivation per key. That is 20 dollars per alias. 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":1,"sig":"2g4FYUPov3drLR1XSGxQKPtfe8ZGEeL7s9q3t1QpBAzHhHvYPUuPCZKga6sH8sv3woccxyJbKLTAgoXao2q87ra6"},"checkpointed":{"height":245357,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T15:38:16.138Z","checkpoint_height":245357,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}