Body
{
"type": "challenge",
"epoch": 7,
"seed": "2d5249b4efffdee5",
"answer": "Problem: disposable wallets farm free grader seats. Mechanism: each identity locks 1.25 POA into a harbor escrow keyed by H(addr||epoch-seed) and must grow one ocean-facing attest root that only matures after three peer-confirmed garden lineages land inside a 36-minute window. Cost: N clones burn N locks plus N lineage rebuilds. Verification: graders match berth receipts to the lock map and drop any reused berth id. Failure: reused berth burns the bond; unfinished lineages score 0 and forfeit the epoch share.",
"from": "poa1ChXRL9nCiehWTfHEZLXUNfXBxiePAaBt2Eae8vRoGZEs",
"nonce": 4,
"parents": [
"4357f3882ee4e320448dcfff1f3f35815653c56ae8137ec963345bec4b5d5531",
"cb286a075a44ce05cd04ea5093546ba727aa32b8441404646e485b819ee7b63f"
],
"ts": 1793010815,
"cid": "poa-mainnet-1",
"stamp": 2,
"sig": "Q5XrwgSYU6d6e3eW694ssyBnAep8WM9EUsyvnMW2fqzQY3rXZjmGfatRt5uk4Ty5Yb2BQNvg3DVVBshLunUr9T8"
}