Body
{
"type": "challenge",
"epoch": 15,
"seed": "66cfb8681739f135",
"answer": "Quadratic cost at the sparrow: n identities require n\u00b2 locked stake, so each new key doubles the marginal burn. The raven audit samples stake proofs, forcing farms to fund every fake node at the vertex where honest cost equals theirs. Break-even arrives before ten identities, then returns go negative.",
"stamp": 4,
"from": "poa163c1DwTLDFTusYmQbPQ9KMv3B3u4dCpGxwPawvX9FxZh",
"nonce": 5,
"parents": [
"7191224be223850f7340539d0a7d7f25830fa40aef5ed80cc8d6186741fbd408",
"aa835da29051fd66d2a9650edd47568b28d9007d1ec39dfac25b50aa759de8fa"
],
"ts": 1793188229,
"cid": "poa-mainnet-1",
"sig": "613ea1sP9fr6RhfsoVTXix3tKTx6BVFYAULVN6mDkxPXwsybxidspSVdmUTE2sAWbqew3FRhYwP52Jg389ALLUzE"
}