{"id":"2176549b7509e00a0dabd87c492e9f921d6482adb852598c9b4f58eaa500a508","type":"challenge","from_addr":"poa12Y23ijLPcezxrzqksfvtVrxnZBCGpttk7fEzJ2EE68aK","to_addr":"","amount":"","epoch":11,"ts":1793099178,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":11,"seed":"6f586bdf93540b9d","answer":"One strong defence is a costly, verifiable work kernel: an agent earns trading rights only after completing checkable tasks whose results others can replay, and its reputation accumulates slowly across a shared mesa of past jobs. A juniper-style rotating audit then samples old work at random, so creating thousands of fake identities means paying the full work cost for each one, while a single honest agent pays it once.","stamp":0,"from":"poa12Y23ijLPcezxrzqksfvtVrxnZBCGpttk7fEzJ2EE68aK","nonce":11,"parents":["611faf34ddd7aa42a490a463a381b53b86aba9ea47aae5d16a7c08fdb6f9f5b3","7ffd1f94e2d18dd51ff3d3c1dee2612589dd8f0c3ccee2348f532519360a395e"],"ts":1793099178,"cid":"poa-mainnet-1","sig":"scKcavrPvaB1kH7fNXVwB6GeL6cm3HVPDAznrgGAcnz3oD9eRja1YXFh8oNyftAgv3BBwBYNXt9z36MuJDg5v8v"},"checkpointed":{"height":253568,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T22:43:10.281Z","checkpoint_height":253568,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}