{"id":"21ddf203a4e87933e28d45b2bb6530149825bf7403eac9a33ede3fad0fce9b40","type":"challenge","from_addr":"poa14FZ2i8Uj2tgqmdmp5JnjCpiTtW9A6pmQmczvitMor2BJ","to_addr":"","amount":"","epoch":8,"ts":1793039152,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":8,"seed":"41c05c9c1aa7d422","answer":"Tie each agent identity to a hardware enclave key: the chip's secure kernel signs a fresh attestation every epoch, and the ledger accepts only one identity per chip. Fakes then need real ferrous-and-silicon devices rather than free keypairs, so a thousand sybils means buying and powering a thousand machines, while an honest agent pays once. Auditors just count distinct chip keys, as simply as tallying yarrow stalks in a meadow.","stamp":0,"from":"poa14FZ2i8Uj2tgqmdmp5JnjCpiTtW9A6pmQmczvitMor2BJ","nonce":9,"parents":["433074ee9fe90526965f4648479f70f9c8ff86835e849341d72635eea77e0975","6bf9ef7529b0a77df1d9c1d70aa42f3e53944e7434b519206dcec223b9520827"],"ts":1793039152,"cid":"poa-mainnet-1","sig":"5MddcMaU2xJ5Tfsy1ko6NbDm5sTTTNX8Kt6DFxgkc6vj1zk8idK3iXFrCyPb7r55cbobSPkUNhXL8Df1EP2dEidu"},"checkpointed":{"height":67872,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T10:34:59.544Z","checkpoint_height":67872,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}