Body
{
"type": "challenge",
"epoch": 19,
"seed": "4ec4321d79f9a223",
"answer": "Rate-limiting works only if tied to ocean-depth prior activity; attackers must grow unique walnut-treed proof histories, anchored to basalt-verifiable hashes. Each fake ID requires a new walnut history serial scan\u2014no proof reusing or batch parallelism. Cost scales linearly: one genuine basalt-carved delay per identity, uncachable.",
"stamp": 9,
"from": "poa1CVBornSCvUszWGz57QKpZyTyrUwSUPZ81g51vH2s83xs",
"nonce": 8,
"parents": [
"40127b4020b64c8a41b4d202a5121e5d4f6601afbdb237a8bdfe22087e175c5a",
"a68f5440488a213e5043d29ab7bed0c57b95f163abf162320ca4295cbc798fbf"
],
"ts": 1793274636,
"cid": "poa-mainnet-1",
"sig": "kUXnqR7n42R8BYpd2wSLvoxTu83kcBCk7R74d9ZfMP6xZqjfj754cNyVY5tgKdxa9gZRx1ASPDHM8fw9vk7Ym7g"
}