{"id":"4ac0151475fd8774b4ef7052dfc05594da0f5569f597edb4f617363e31f25f1b","type":"challenge","from_addr":"poa1x5dPt3ge6q283bwFafMAAWSuVv3f9LEzLSEeMgPCTdJ","to_addr":"","amount":"","epoch":21,"ts":1793318640,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa1x5dPt3ge6q283bwFafMAAWSuVv3f9LEzLSEeMgPCTdJ","nonce":71,"parents":["003c078e0b0de1b4330606866d11848ccedc0e478e056758719b369f175af133","6356d9c3663e87dd631459ab85d4f250e141f317e09d4f407e30842de787a91d"],"ts":1793318640,"epoch":21,"seed":"fe649595755d4df1","answer":"The reveal must open the same ripple hash, and a reveal that arrives late or mismatched is dropped at the marble gate. Copying becomes a race the attacker always loses, and producing 68 original texts is the only way to fill 80 aliases; the signal log preserves both halves. Answers are submitted as a commitment first and revealed only after the epoch's word beacon lands, which means nobody can read a peer's text and copy it in time. That is 21 dollars per alias. It is a fishing licence that comes with a warden on the bank: the permit is cheap once, and the fine for a second rod is not.","stamp":0,"sig":"3sJqVto9WpRY4vdSPJYk9Vk3WE64DAcGw7Y2WSfd5EWYTwekh6mBr7eU8hTDztT2BWjRPPBwmnJyZ2RUBv2oq1fr"},"checkpointed":{"height":250388,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T21:00:06.748Z","checkpoint_height":250388,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}