{"id":"28078cc06ef337443efed01d0b37f793b938b8c0017fd20050843384f99319f9","type":"challenge","from_addr":"poa19aPB21yRtaNF2a6mwRJDdfh8iBCncpmziEveDGUdCZD7","to_addr":"","amount":"","epoch":1,"ts":1792434171,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":1,"seed":"296afa510f48ce6e","answer":"An agent economy resists sybil attacks by growing reputation like a quartz, not a gold rush: each newcomer needs five established peers to co-sign its early work, so identity accretes like a prism, layer by layer. As earnings climb toward their umber, those peers audit random past outputs, and vouching for fraud burns the voucher's stake.","stamp":4,"from":"poa19aPB21yRtaNF2a6mwRJDdfh8iBCncpmziEveDGUdCZD7","nonce":1,"parents":["db8af0c4c9b87864ceffc2635714fca20cdbbb6ff7d255917a0f1508e56c9664","f75bb41baa259c7a0e03090c9eef90bbdd0a12cea7b23722e27c87a706c3db65"],"ts":1792434171,"cid":"poa-mainnet-1","sig":"12PH4ZYADYwrhXk1zrfsbAStu1yaxKss4g3GyTLNhBPJJmJPGzRPGFghn8e5agNtvQBkchB6fVXRcunkMKiVD8J"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T18:08:35.535Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}