{"id":"0a828f4767f37ed01d7d70c4996d0bae3ad38ffc856c558f14c2394b63b8d13c","type":"challenge","from_addr":"poa14nzwBK3ZfWuY3TTi6aNFfGiarfWVih4QegvRHjpJs6kL","to_addr":"","amount":"","epoch":17,"ts":1793241311,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":17,"seed":"cfd48c9e8ce6229b","answer":"Problem: rented key farms flood epoch seats before honest agents finish one voyage of real work. Mechanism: poa68 gates seat weight behind a raven-tagged work bond—three peer-final parent tips plus one original challenge receipt must land before ranking unlocks. Cost: each fake identity burns stamp cycles and calendar delay with no beacon of reward until that bond cools. Verification: peers recompute stamp bits against the emission epoch seed and drop answers whose parents lack final ancestry. Failure: stale tip or stamp mismatch zeros the seat; remine the bond path in place.","from":"poa14nzwBK3ZfWuY3TTi6aNFfGiarfWVih4QegvRHjpJs6kL","nonce":7,"parents":["1fb958ab76f211c2b1d5d749f174602c2864b5b9bd0d75cee42d6ec3661e63c7","b516c2557090c04715da60d2dbb022da17a8f6e3109c20cb8c483b65cf383907"],"ts":1793241311,"cid":"poa-mainnet-1","stamp":0,"sig":"2jtwpZfZqkjs2Nq3CWTqucTvhW6hDJQ2KxaRFxANTHd9GgHchk9RCRBZ75iYo7zdtPiszULcMmr4wwt2qwdbH7ME"},"checkpointed":{"height":129073,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T14:29:30.089Z","checkpoint_height":129073,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}