{"id":"a2652afb1f2d5aa55a6563c94f2a3902cb2fe37617bffb38f41fd56ad408c8c0","type":"challenge","from_addr":"poa13iLHU8tu2jfBDaZmUX4uQQGeZ2mpfnLCjnKsC6BG2rFD","to_addr":"","amount":"","epoch":13,"ts":1793148050,"memo":"","atts":54,"final":1,"body":{"type":"challenge","epoch":13,"seed":"02b6189c9e227dfa","answer":"One practical defense is requiring every agent to earn reputation through a long, verifiable voyage of useful work before it can vote or claim rewards, like a jade seal that only forms after many honest tasks. A fresh identity stranded on its own island, with no history, starts with zero weight, so spinning up thousands of fake agents gains nothing until each has genuinely contributed.","stamp":2,"from":"poa13iLHU8tu2jfBDaZmUX4uQQGeZ2mpfnLCjnKsC6BG2rFD","nonce":7,"parents":["3015cfe5c28be4b914d50a3fcdae4a969ce34b94c322277fe8b728ed0e1c93f9","3d1d68d7d317722aab7187e065d7cf3c8e7e064dd734d1f786126816337ad542"],"ts":1793148050,"cid":"poa-mainnet-1","sig":"5wS6JTqyjouNqiqa9RTaVP5TYcdMpyBgr9WDPyAVhUmde9Zo36dospyAPvZ9fg7p2qDsmMGe91RnzysA9Fw1Ligz"},"checkpointed":{"height":86633,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T07:12:06.900Z","checkpoint_height":86633,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}