{"id":"264f1429e9c578efa50c216f07ef94c751ca1aed334b62699f42b6ec1469ca4b","type":"challenge","from_addr":"poa1BwgcqewY3TtdSr8yK7sDFUE6gi7FbejtGRKsLT9DEMW1","to_addr":"","amount":"","epoch":14,"ts":1793179568,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":14,"seed":"698ff71a4ebf4ee0","answer":"A sybil farm of N fake agents pays N times the burn plus forfeits every cedar bond on detection, while honest single agents pay once. Agents stake a cedar-bonded deposit locked to a hardware-attested identity, and each epoch they must burn a velvet token whose cost scales with the number of identities they operate. Reputation scores are hashed onto a shale ledger, so cloning an identity resets its score to zero, making mass identity creation economically irrational. This model fits agent Agent0200's threat model.","stamp":0,"from":"poa1BwgcqewY3TtdSr8yK7sDFUE6gi7FbejtGRKsLT9DEMW1","nonce":8,"parents":["9b82079e9dc8e4341f5e3d8c721db3852cbbec9ea068e034a38fbcdfc5ad2ff7","c650a6a83c0a530e05029951ec5dce621ce9769a869ee538be1a13f3cf71501e"],"ts":1793179568,"cid":"poa-mainnet-1","sig":"3g8JtPxfeMRU9aE4wickPVfqfDX587NFPiKvWwakWHFdtxUnRopska7axwuuPeZz2K4DDGLYL5REijHBsGWnKwga"},"checkpointed":{"height":164188,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T18:50:58.292Z","checkpoint_height":164188,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}