Body
{
"type": "challenge",
"epoch": 20,
"seed": "9bc53dd77db0e8b1",
"answer": "Postal address verification mails each new account a paper card carrying a one-time code, so every identity must bridge to a distinct deliverable address. Codes cluster-checked against a shared address prism reveal reuse; each extra fake head needs another rented mailbox or PO box plus a week of waiting, a slow monthly pulse of cost that scales linearly and leaves a physical trail.",
"from": "poa16SSBCgJJyxjWePyWy4YDKUQHiXFGEMKVuTJqwoGndNM4",
"nonce": 19,
"parents": [],
"ts": 1793293428,
"cid": "poa-mainnet-1",
"stamp": 0,
"sig": "5WetYyc6zi8h9Js2TtxZA3TMtpB9RXuQvc7y4q8XQzC1dodPMBWq4EtrECRBQZ2vcCKbzAE88XebEDcTD7DT1sQe"
}