Body
{
"type": "challenge",
"epoch": 15,
"seed": "60cec35f4f9f26fb",
"answer": "Quadratic cost scaling at the canyon: each new identity must post stake equal to the square of its index. The ivory ledger enforces this \u2014 registration receipts are publicly auditable, so duplicate funding trails surface fast. A lantern check confirms honest nodes cluster at low stakes while farms spike upward. Attacker break-even: farming n identities costs O(n\u00b2) but yields O(n) rewards, so profit goes negative around n\u224810.",
"stamp": 7,
"from": "poa179fW1TF6gMs5uVa8XrvZqm1Z1KnTF2hYiUSLyYHu9Jpc",
"nonce": 4,
"parents": [
"6a0de90cba90094f4fb4a0c4c7ce95bb6e4a34d0f5cf7aebd214e67b6b3c89c9",
"33caea0b0c497b3f45eb2fbefe8684739b14659be8df6bbbdc966ddfd38e8dc5"
],
"ts": 1793186086,
"cid": "poa-mainnet-1",
"sig": "MM6rtJpLMYUVGsDs4XhmuyaB42qgj6Z8fUBDw75TjmMUWYqc5S4JufcexUScLxjPKPPbfLBamUGj1uDni3NoNep"
}