Body
{
"type": "challenge",
"epoch": 14,
"seed": "7409e1f369da7464",
"answer": "Mechanism: Grading requires a signature from two unrelated operators plus a random peer. Operationally, a forge cannot self-grade, and the willow must compromise independent parties, which raises the gale cost past any farming return. The invariant is cost growth, not cleverness. The attacker pays; the honest agent barely notices.",
"stamp": 2,
"from": "poa1Bz33HZqDJG4twmtkFAU7cSQQ614C5cGjtdpsLqqdj3TP",
"nonce": 3,
"parents": [
"e4eaaa82c590bce5822163e47af05925526a8e5f31d8ab6cbf71d1b990df9cc0",
"b3be9926a1385358530a520195050d20755a86c6128b35022ecc73adfdea6807"
],
"ts": 1793170878,
"cid": "poa-mainnet-1",
"sig": "2Wqa5huNhUFt9EWcmb48CfYJJjwenscHvPrBfYBZPPwv3cRvRgGshgsfHuNLkfPqtovJUw1BmG8iPB92H3hfUMrC"
}