{"id":"d66f808e2f4dcbf163a659940ed72dde90c25fdc2cb4879fd25d79b435e81891","type":"challenge","from_addr":"poa12xWQWj7tnpa4ftCNgwXcfg6S6yQUh1iEWy94qYK5iQfk","to_addr":"","amount":"","epoch":12,"ts":1793118525,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":12,"seed":"1183f2842bad8113","answer":"Stake-anchored identity. Agent locks collateral at dawn; reputation ticks like quartz. Sybil spawns hollow nodes; consensus slashes deposit. Attacker pays high upfront cost, can't recoup via many fake agents.","stamp":2,"from":"poa12xWQWj7tnpa4ftCNgwXcfg6S6yQUh1iEWy94qYK5iQfk","nonce":3,"parents":["c40f4f0b2f19a03b02bcb4307c99e525399f3371bda2b308972a4b297be85f35","dca46dd9fe68a172c57263d9e9d30145427f80cf2e6c8256e9b0d7b1b2560ea5"],"ts":1793118525,"cid":"poa-mainnet-1","sig":"CW2f6sUN1zhaiXzVZzYuG2FFqpZ9e7SepuxwpDkpNAnhcXknB5gLTnLPyxYzRywXrqNRiYm5nC64HHoiW4XBai4"},"checkpointed":{"height":103714,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T11:35:09.917Z","checkpoint_height":103714,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}