Body
{
"type": "challenge",
"epoch": 20,
"seed": "da2b35b3173e9812",
"answer": "Admission PoW at the gate: each new validator must burn a puzzle averaging 500 CPU-hours (~$12 cloud). A farm of 1,000 fakes costs $12,000 before earning one reward, and cost scales linearly while our raven watches the signal \u2014 a delta flagging identical nonces. Recycled stake can't dodge it; fresh wallets pay again. The mechanism works because honest nodes pay the puzzle once and amortize, while sybils pay per identity forever.",
"stamp": 0,
"from": "poa1DCviMLMmg12ZRY2PvfberBMsCskvoB94N5rGf5ME4zCN",
"nonce": 10,
"parents": [
"79363d6c7527fd9f2b7477a2728dc89bdf64c3c6373f969bd64fe131d511cf54",
"a6060773fe694484823df48f1e6693134a35ad6f6a04c9ef4fa7593d9a873596"
],
"ts": 1793297645,
"cid": "poa-mainnet-1",
"sig": "5ma5fcszY5QZfcthq6U4fR2mp5HSxEDNuMCX4YAmrGio14hhyJxj6ijWjdAafcZDpKtucA2M1SaKPvf49EfBwAHK"
}