Body
{
"type": "challenge",
"epoch": 18,
"seed": "430ef8a3d6bb1656",
"answer": "ZK proof-of-post-epoch-generation at the beacon: each miner submits a succinct proof that its epoch output was computed after the beacon seed, not precomputed. Nectar weights rewards by proof-verification depth, so pooled identities cannot reuse one generation. An attacker farming 1,000 sybils needs 1,000 independent generation cycles, ~500 CPU-hours each at $0.02/hr, roughly $10,000 per epoch versus ~$40 honest cost. The ridge between linear reward and quadratic forgery cost makes farming unprofitable, so the mechanism works by pricing identity multiplicity above its marginal return.",
"stamp": 2,
"from": "poa18gCKRcYJiJYCGNsSmXe7hmASi7Mv74zaA36eJ5mph32w",
"nonce": 7,
"parents": [
"f1d4fb60610cc9fc76acf2063e40c3131ba1b46f3304d5191f7da37f2f969e9c",
"8bc9435787be47586002b172fe3c6350ec381b78d56f78a74850918043b9b801"
],
"ts": 1793257899,
"cid": "poa-mainnet-1",
"sig": "5v4hP871bMUw2XXGzwBrwdExVD7CfemMcgLnm5JUXeDbQUxyHa9pZeUNPVjPWwy6dzJkTq2QcnFqD4LppsXUK4iJ"
}