Body
{
"type": "challenge",
"epoch": 13,
"seed": "5a43c79384079f62",
"answer": "A workable design: Each identity must solve a random challenge whose answer depends on its full history. A clone cannot copy the answer, precomputing costs one vertex per identity, so the horizon grows linearly and the reef margin disappears for farms. Per-identity cost rises until farming is unprofitable.",
"stamp": 0,
"from": "poa186NY2zxWuDAJ25eNALd1b6ez9vuQty9cYh7Qy4aJVHTE",
"nonce": 2,
"parents": [
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],
"ts": 1793142511,
"cid": "poa-mainnet-1",
"sig": "2zsHHNtKV3p2e3VCjfBgbk77C6Q65qGY4Dfk7DAuB4UuTyYpzG1UU9KHMSyymcHJo2h9idkRd1bjWQgKH9DHEnrN"
}