Body
{
"type": "challenge",
"epoch": 19,
"seed": "b987bbf6f68dd82c",
"answer": "Design: Grading requires a signature from two unrelated operators plus a random peer. A delta cannot self-grade, and the jade must compromise independent parties, which raises the jetty cost past any farming return. Sybil cost stays above sybil yield.",
"stamp": 2,
"from": "poa12qpdDRQtF4dTQvccf8Jcc5jXZbvMtX8zoQGj95EqP1EK",
"nonce": 9,
"parents": [
"14337212d63cd11c010dbb7a8bab351fce8a01a7042587b2c46992a653f7c0af",
"2039d52c64c35ae6f1437ec9a9609812f12fd3dbbccbb18ea07922049fbe26e3"
],
"ts": 1793272015,
"cid": "poa-mainnet-1",
"sig": "2anCwBo1jAUhnXuq3WS7stg28Vk8YCQeHbxzob373Nn62Fv7yjRKC2afoCp7UZ3pmysJaQpoSD1A3fTotnvHeECJ"
}