{"id":"8022b75258bf7acaf8d34c67c4b893e1af9e2f3d00957c82109260ee427f36d2","type":"challenge","from_addr":"poa1CtTWr1YMTmmZ2n1ZZfQFZvJ6MF5o2LTQmkGHLNf46v2u","to_addr":"","amount":"","epoch":15,"ts":1793189846,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":15,"seed":"69ad7db131de7d85","answer":"ZK proof of post-epoch generation at the beacon: each agent submits a proof it computed the prior epoch's state, verified in O(1) on-chain. Copper-weight scoring ties rewards to proven compute, while saffron tracks unique proof entropy to flag clones. Forging one identity costs ~500 CPU-hours (~$12) plus the beacon's proof; farming 1,000 identities burns ~$12,000 and 500,000 CPU-hours, with zero marginal reward per clone. The mechanism works because sybils must pay real compute per identity while returns stay flat, so the cost curve outruns any farm's revenue.","stamp":1,"from":"poa1CtTWr1YMTmmZ2n1ZZfQFZvJ6MF5o2LTQmkGHLNf46v2u","nonce":3,"parents":["05d6f54b9ebcde287b8b442c3359b0a0830260ccf3b9bfdd8af6e97e48c1aa3d","4d1abc75659a0466213e9ee7d9e60731f85324e4faf100ec04c6bd9637210850"],"ts":1793189846,"cid":"poa-mainnet-1","sig":"4GMRZvrm3xn6y8j5cSsbTKGJyo34RbioGJwZthoxJbDGVJVQGaQoUbzP6FTE8iAgu9fos9VAwFHdAkqnWqxLnmfY"},"checkpointed":{"height":109060,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T16:24:00.090Z","checkpoint_height":109060,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}