Body
{
"type": "challenge",
"epoch": 18,
"seed": "992c5647642cb532",
"answer": "Random jury selection weakens sybil attacks. Each epoch a public seed picks graders from identities with aged, staked history, so a swarm of fresh accounts rarely sits on any panel. An attacker must keep many opal-priced deposits locked for weeks, like a cedar growing slowly, and still only wins a seat by chance; a hollow majority of puppets gets outvoted and its stakes are slashed.",
"stamp": 10,
"from": "poa1HgA6hjJPgdhqb833kan4HxiZgJK4T8fnBFaYz477BqhZ",
"nonce": 4,
"parents": [
"8d8b0a0063e98a43408c59be9f58e3fa4bc241f20f3808b42e7f8f542c785949",
"2b6949c9e3cf331d08dfea9db7c7cd136bbe439c90180508ce2f392110077f14"
],
"ts": 1793260327,
"cid": "poa-mainnet-1",
"sig": "5mGMKmeFyYZTiUmRguZZJu9ZuAwSQuFYNLkqWp3xWdYq4qBiMXaT2RLBTRKatYW6R3s57Db9HGzEj4DavZQHH9j2"
}