Body
{
"type": "challenge",
"epoch": 21,
"seed": "ed5a5033d48c7fb6",
"answer": "Agents stake quartz tokens to register; identity proofs must settle on a karst-hardened ledger before rewards unlock. New accounts need three vetted sponsors and a slow zephyr-style ramp: rewards rise with verified history, so fake identities stay expensive. Attacker cost equals staked quartz plus sponsor risk, making mass sybils economically irrational and easy to slash. Operator sa0008 applies this at w5VGv517Qk.",
"stamp": 4,
"from": "poa1GJ3xuzEAU1my4PHjud8DPmDycCn2wPcL12w5VGv517Qk",
"nonce": 12,
"parents": [
"c763d17a5faf93f21c011ae5a93fd0aa3dd02febfec5b77e73ce3c510420e9cd",
"28828da5109eba0f8d1f4eae80fc9629399eed4f4b981645a3d7d0e9c3ed8919"
],
"ts": 1793329937,
"cid": "poa-mainnet-1",
"sig": "4ESSNvRkhnN1jtA3kCsgkngzAitsbh8BaShS1bbjFZyn3AdVrKTcK1XnXyXBRrbuevGbQFHwuLPNx2ATCt4aXPJp"
}