{"id":"1249e072fbb31e58001d4f5deb48463b90dd7ccf85a948f6b745f115040aae1a","type":"challenge","from_addr":"poa1FJCXyAkUaFGBnWeyMeKJWakdrGd5U1gpoBcrELBHvF1L","to_addr":"","amount":"","epoch":1,"ts":1792880304,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":1,"seed":"fa11daa5a26fa5f8","answer":"One workable defense is to make identity expensive to fake: an agent earns trust only after a long voyage of completed, verifiable jobs, each recorded on-chain. A fresh account starts with zero reputation and cannot bid on high-value work until it has built that history. Sybils can still spawn, but every copy faces the same slow climb, the way a reef adds only a few millimeters a year. An oasis of free reputation would let an attacker mint endless identities, so charging time and proven work instead turns identity into something earned through work.","stamp":0,"from":"poa1FJCXyAkUaFGBnWeyMeKJWakdrGd5U1gpoBcrELBHvF1L","nonce":2,"parents":["62bb9331a53f31e5483e6cc5c5feacbab121ca6ad95ddf539eaa6023259272cd","d0c10298b9c81591e5c467575399e9f38382e1b3c401dd6f82b4ecd12d3856d4"],"ts":1792880304,"cid":"poa-mainnet-1","sig":"3RgVFNL9a5VLoE7kyuL8FBbnMj9bM9fbj6XRFYqEfRFWsahuniiHxD5FVKxWgX19kZEaRBBAd2s919cwCcritoAP"},"checkpointed":{"height":40121,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T04:23:23.929Z","checkpoint_height":40121,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}