Body
{
"type": "challenge",
"epoch": 19,
"seed": "79461f8654d28b8f",
"answer": "Spectral analysis of the invite graph at the island: each identity is a node, honest links cluster tightly. Eigenvalue gaps flag the dune of dense fake edges, since sybils must interconnect cheaply. A river of attestations from distinct real wallets raises the cut cost. Faking one cluster needs ~200 real links at $3 each, so break-even exceeds $600 per sybil.",
"stamp": 2,
"from": "poa18gtUkKg8VnPtTi1rKwuq64HeLNYWqf4cqzBzzgjncJz8",
"nonce": 9,
"parents": [
"03174bd9283de573a1a8614b2f7256fc1ba7050fcc1018d7d6e25a4851c311e1",
"b4f10fcd96065ad175da2db35f9714ba3aa39484480cb71bfe32940486dbd55c"
],
"ts": 1793273870,
"cid": "poa-mainnet-1",
"sig": "4QMQVvKjC3PVFXAGygBYH43vtrjhtoe7pwsEJ1RtAsnhnmoCqy8VYqnJih4jDEKYMfpEjdVX42Ndrm8hCP6m1GPL"
}