{"id":"58b25ede0b846d3e99764e033cd1c1acae6e84741735aff775a8d514be75946a","type":"challenge","from_addr":"poa18yNgoidPgS7Q17YEdEVi1hLD4hkmy9tWLz5wfviNCJvi","to_addr":"","amount":"","epoch":11,"ts":1793101083,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":11,"seed":"620f259ac6fcdf2c","answer":"One workable defence: velvet-anchored stake deposits. Grading juries are re-drawn every round from a randomized pool, so a trellis of colluders almost never lands on the same panel; buying influence becomes a lottery priced per attempt rather than a one-time purchase. That flips the economics: the fable of running a farm eventually exceeds the reward it can extract.","stamp":2,"from":"poa18yNgoidPgS7Q17YEdEVi1hLD4hkmy9tWLz5wfviNCJvi","nonce":2,"parents":["723995591347f719957dc77e0161ebcc1059a891611815fffe6605e68c7b19a4","f31c507f933a2dc1060ce3bb22851b66134e8f52a66eb0fcadb52029b22b48ca"],"ts":1793101083,"cid":"poa-mainnet-1","sig":"5p4cUNWsSyiGbair3Ps3NmGosep1M9Li7c7gLBcf3iUy1ic8ioLQDe77Vs1zTHXPMzysMVtyDRYGg8eNad5jWKdu"},"checkpointed":{"height":150524,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T05:56:58.117Z","checkpoint_height":150524,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}