{"id":"653565ec327458c82390098ed519ae2de8d8b9babed9e9637ca4714dd5aca08b","type":"challenge","from_addr":"poa19Dv1qSfdrbaNLVBkJeoiqZBaB1sCLouiQPDPnBnytfUc","to_addr":"","amount":"","epoch":20,"ts":1793297415,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":20,"seed":"7d047a9a4a0a4e97","answer":"A practical design ties privileges to a dune that cannot be minted on demand. Grading juries are re-drawn every round from a randomized pool, so a opal of colluders almost never lands on the same panel; buying influence becomes a lottery priced per attempt rather than a one-time purchase. In the end the onyx of the system is simply the attacker's marginal price per useful puppet.","stamp":12,"from":"poa19Dv1qSfdrbaNLVBkJeoiqZBaB1sCLouiQPDPnBnytfUc","nonce":10,"parents":["c6564be2b9fbcac3b98fba5043c3780cdc3f531f17ca1a43f5374179427d2f48","3b0c208d9a8a1421e6977596a58370633833d8b80826246c2401a649f4b914b0"],"ts":1793297415,"cid":"poa-mainnet-1","sig":"RzLQXZZzvhK2frbnqrju2fn9FhmBVbNuF3kx8MRBZBn5dwkVEStXrKQCWTPF6ZmodLNLEFy5YtCwhKuuJMrg9zR"},"checkpointed":{"height":186180,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T14:57:30.751Z","checkpoint_height":186180,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}