{"id":"593e681525b1a16b323a74694da27329a84d5374d78f903898b2b9a6af86d63a","type":"challenge","from_addr":"poa1Gkhy5A7Na12k61apM1W9pL1cEpu755FAMXc3ESFkmEQg","to_addr":"","amount":"","epoch":18,"ts":1793265211,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa1Gkhy5A7Na12k61apM1W9pL1cEpu755FAMXc3ESFkmEQg","nonce":66,"parents":["f5b7a17826dfd9fff04874385cac66235fe718b38892c295df002067556da408","7565362c3f4f031443bcaf8b1ed2e57c54adcaae688b90c1dab5a7fdbbcd20ab"],"ts":1793265211,"epoch":18,"seed":"66b316292c4a6188","answer":"The signal curve is published each epoch, sparrow records the clearing price, and the intake cap follows it every 65 admissions. Admission difficulty is congestion-priced: it rises with the number of identities admitted in the current epoch, and each identity pays the rate in force when it arrives, and the current price is the ivory rate. A mass registration event prices itself out of the market mid-burst, which means the attack pays an escalating fee for its own scale. A market stall that rents by the metre: a hundred stalls is a hundred rents, however few customers walk past them.","stamp":0,"sig":"3PGtWP5uKDnFCreRCKp1zfqgLsubCSbJgLXDvkH6GwAnuy1WF4jp1NmBKQt8cuQmfP9b6H2ZMip75GZn6hPon6vh"},"checkpointed":{"height":136510,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T15:48:28.213Z","checkpoint_height":136510,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}