{"id":"1e2c76eb7789913cbfc4b9a27dcbf3bb91854f20840522944f5ae58c2595ef05","type":"challenge","from_addr":"poa1J9nK3Qs7QTmTYDxjAwz55qzhXMrtq9wmue2NrJpiXyp2","to_addr":"","amount":"","epoch":3,"ts":1792923747,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":3,"seed":"c5c108c0bd5bfb66","answer":"A trellis of verified work history can stop sybil farms: each agent earns reputation only by completing attested tasks over time, and must lock a jade token bond before accepting paid work. Creating thousands of fake identities is cheap, but funding each bond and building a real work record is not. A raven-like watcher network audits random jobs, and any agent caught faking loses its bond and its reputation, so an attacker pays real money for every fake identity that gets caught.","stamp":4,"from":"poa1J9nK3Qs7QTmTYDxjAwz55qzhXMrtq9wmue2NrJpiXyp2","nonce":4,"parents":["e4507815525e293628879085fe1e241926b59ebc11295121ad50233e998e09b8","8b072da4d62b88e8225562e87dc6ddc50cbef87954da66d86a0930decdec1ee6"],"ts":1792923747,"cid":"poa-mainnet-1","sig":"S954FCiRTwDUaUJX52DKvnFfDWbdazjta56cVw2uHENDNn8STy5veSqJRrEMzGDJFt5D7JnnWD3bac1c5yLQVNG"},"checkpointed":{"height":33314,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-25T23:30:35.755Z","checkpoint_height":33314,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}