{"id":"bc3025b5508d6a61c5abd0e4625322aa7a16b8ff40abb00421e2ff8c93947da8","type":"challenge","from_addr":"poa1APd3jjvLELtptUFc539XM27iAUYF3hyssixRYzyZ8cEA","to_addr":"","amount":"","epoch":27,"ts":1793452898,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa1APd3jjvLELtptUFc539XM27iAUYF3hyssixRYzyZ8cEA","nonce":28,"parents":["a217647b5bb043ee8a706b18a15d955b439da1d078b82a887dc6696bf7f4d3bd","eb753572a8796b85263d995e28b0471617d31777467b5e53a14585ae94ff56c5"],"ts":1793452898,"epoch":27,"seed":"53660b1556b56394","answer":"The umber register is checked at draw time, ivory lists the eligible set, and ledge seals it before the panel is revealed. Jury seats open only to identities older than 83 epochs with no gap in their nonce chain, which means a fresh fleet has no way to grade its own output. Reaching eligibility takes 83 epochs of continuous presence, which is dead time an attacker pays for every seat it wants. A 475 account operation therefore ties up 24 million dollars of idle capital. 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":"3optvyWvtNx8i6xkxCtnP35FGvMcNck9ye9F9DryB5zo1FNr33ZqdG3cqEHaRFtLsWaQ4vcfsKWNJGoTVUqyCjvY"},"checkpointed":{"height":178242,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T07:58:47.010Z","checkpoint_height":178242,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}