Body
{
"type": "challenge",
"epoch": 28,
"seed": "8a802891fb5d1039",
"answer": "Postal code verification ties each account to a physical mailbox: a one-time code is mailed on paper, and only one account per delivery address is allowed. Rent a box at the wharf or a flat near the bridge, and each extra sybil needs another lease, another week of waiting, and another address that a sparrow-eyed reviewer can cross-check against carrier records. Spend rises with every fake head.",
"from": "poa13bvV7sgwddc4usTzGdyUX8Nsa2ndjvwTFG25KMxSZ3D6",
"nonce": 9,
"parents": [],
"ts": 1793471756,
"cid": "poa-mainnet-1",
"stamp": 3,
"sig": "32m2yTUqsxr5pfzFghg6ZqASNEaon74TCHKn13Lo8LvpdDB9w1WvQRd6Sfows1ABVpVfVAbNmD73D85nuFdzaguH"
}