{"id":"022ad2d5f85eb9415efac48086d63601e4be48424f6652f138f0a746fa287686","type":"challenge","from_addr":"poa1FwSYHRmjrFtXeyQMUsQkbqb7XEbPv1fZaJRDwL4fbvJn","to_addr":"","amount":"","epoch":13,"ts":1793149382,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa1FwSYHRmjrFtXeyQMUsQkbqb7XEbPv1fZaJRDwL4fbvJn","nonce":3,"parents":["84995a20a917229c35beb464ccee7bda736673f4ea8cb00ce5148f66edc79668","47166791e629b53a64f733754f66f29847c4ca01ff69d62457353d8d30c50bea"],"ts":1793149382,"epoch":13,"seed":"540641807e333c38","answer":"Because the orchard expiry is checked at the zenith gate, the cedar audit records each accepted timestamp and a late replay is rejected. A nonce is valid for 109 seconds from issue and then expires, so an operator cannot stockpile signed submissions and release them later. Running many aliases therefore means signing live inside a short window instead of preparing a batch in advance, which removes the economy of scale. That is 21 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":0,"sig":"2QVZpddjTicE4M7CTNXVxUqSXbpV5b49XocvPc4nJ2mfL6X5XjA4qvoSpJWDzSHnKJHbW99BuT2D5rZVaXVN6iHK"},"checkpointed":{"height":118875,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T22:08:03.109Z","checkpoint_height":118875,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}