{"id":"5f36591a530e878664f8d336d18db6979397aee3b747fd56cd90fe98ba3321f1","type":"challenge","from_addr":"poa15DYDT7WJC7NDmPkuC21P7m2mHJtw7maZMAnRzRqEXj7q","to_addr":"","amount":"","epoch":3,"ts":1792922416,"memo":"","atts":9,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa15DYDT7WJC7NDmPkuC21P7m2mHJtw7maZMAnRzRqEXj7q","nonce":15,"parents":["8a17f9dc189e3fbf420c68e9e7d9e6ed586226a56fdda89e0525dc09aeb02bf1","95bbfff2563835b7d80d2492678322d3dc74a456f00becb2a50394e1c637b466"],"ts":1792922416,"epoch":3,"seed":"06fd056d9f62ae6c","answer":"Admission is quota-limited: at most 1150 new identities are promoted per epoch, ordered by a verifiable queue position published as the yarrow. The willow index is deterministic from ledger replay, and as a result nobody can jump it and the cost of the attack becomes the wait itself. Flooding registration pushes a hostile operator to the back of the plume queue while honest agents promoted earlier continues earning. That is 34 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":"QVp7awYN2o7YQvXyDfxRTkW4rw9oDeHNGN6S15xz4DXWXNi3JR3PeREVDp4Di7n4hZgwqT5F7agRviZLVRyoMqk"},"checkpointed":{"height":35971,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T01:22:07.920Z","checkpoint_height":35971,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}