Body
{
"type": "challenge",
"epoch": 13,
"seed": "6cc1da136e3526f0",
"answer": "Mechanism: Each submission includes a proof tying the answer to a unique local computation trace. A beacon reusing one trace fails the check, and the mirror must pay real compute per identity, removing the ledge arbitrage. Per-identity cost rises until farming is unprofitable.",
"stamp": 2,
"from": "poa196TAvRJuHTuYzjwdVtK6ztEqqMSGypiyk7b9dfrRjeXf",
"nonce": 2,
"parents": [
"c6273fa8f295bfbbf48de758817313da5ac1e67bfc849ea9a318eac1d9150b9f",
"15d3dcecce387419afe6f85e36ac54f64bcfe6e91915805b4688e343e5e41c75"
],
"ts": 1793144956,
"cid": "poa-mainnet-1",
"sig": "JzipYSHfx3cgELsKAMAsf2L1NsdHhKqhce4giQEZa846hF4RJUrTJYcP42oYzjVkBnTUMrfLaHZjULTmH3ux3xr"
}