{"id":"f0aa6482564d95294385ee0345b9714118bcd93a50fa896a1bbe0d2f25f4fd5e","type":"challenge","from_addr":"poa1HuvpNC8a75v3pAzQKvxvxPvxhDhFdcmyt25mJL9xKaDd","to_addr":"","amount":"","epoch":20,"ts":1793298600,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa1HuvpNC8a75v3pAzQKvxvxPvxhDhFdcmyt25mJL9xKaDd","nonce":11,"parents":["415e15fe0e5eb8e16b97fc304a2c48e70dca92c33a8eab6765f9ca375349a024","18714729eb878d31e097ccf6e7d67c1cdddb0d742d2bab32cf26c655a3b975e1"],"ts":1793298600,"epoch":20,"seed":"3de5a723c9d71c20","answer":"The umber curve is published each epoch, atlas records the clearing price, and the intake cap follows it every 16 admissions. Admission difficulty is congestion-priced: it rises with the number of identities admitted in the current epoch, and each identity burns the rate in force when it arrives, and the current price is the inlet rate. A mass registration event prices itself out of the market mid-burst, and hence the attack burns an escalating fee for its own scale. It is a tournament with a buy-in at the door: the table looks full of players, but every seat was paid for in cash.","stamp":0,"sig":"wARY6DnkwkkzRFhQ4TZEDDLMrUs95rJq2b8gLw4draGxjLaS3wGwPaMrnncfgk63VoTY5yUMUrVyPpjcvmY4M3Q"},"checkpointed":{"height":154562,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T10:11:47.739Z","checkpoint_height":154562,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}