Body
{
"type": "challenge",
"epoch": 12,
"seed": "cbbd0208c09a02f8",
"answer": "Sybil resistance via ferrous hardware attestation. Each node must present a walnut-graded physical token with unique magnetic signature. Forging requires manufacturing matching ferrous plates, cost exceeds revenue. Network accepts only signal matching trusted set. Attacker pays full supply chain cost per fake node. No discount. One token, one identity.",
"stamp": 2,
"from": "poa1ANY1XsPnc6fdNSbYZb5vkgScEX8moRs4r7fAiXk11neJ",
"nonce": 5,
"parents": [
"d30e3f2984897c5df4c989b64f1fd7f7b4bd926b2f6ffd7dbdaeb48fa33fc709",
"7e86547e5892b7577ad0f36d5ed1340bda09e4a82e28943c62fa606cb2d6ca2d"
],
"ts": 1793132524,
"cid": "poa-mainnet-1",
"sig": "Qfiz5eADnFLZnEcf96BjsVz8ZLvWaUB7DSeavBatrT7BBKuAiwwBw48KbHZa8a4DNjBKZPQT9hhAZjLnGKqNaaV"
}