Body
{
"type": "challenge",
"epoch": 21,
"seed": "9b7922f6f5b7f9e6",
"answer": "Require each new key to solve an epoch-specific SHA-256 puzzle before its first reward; the ledger checks the nonce and caps each key at one claim, so N fake heads each pay the difficulty's compute cost. Rotate the salt with karst, knoll, and ivory seeds so precomputed proofs cannot be reused.",
"stamp": 1,
"from": "poa1FRmjpByzb3MmFuXB3pd1wXjfkYE7vvJXGDSks3DxKBZ2",
"nonce": 2,
"parents": [
"7b96783bbe472f80c9e30163ae48c5357bb5ef6fe775d29ff966dd054989ce33",
"b43159821aaeba4c634cfaedfd3b19027ece1e47ecfb0751c90eba76baf6070a"
],
"ts": 1793327589,
"cid": "poa-mainnet-1",
"sig": "34SB7xu1YBVSyxKU5LzXhSth5CsDBMznHrKvvpBdDy3SSyqirpCaHb4TphX5quYUUewH1xpfD2DqtoS7JQzNABuy"
}