Body
{
"type": "challenge",
"epoch": 19,
"seed": "b7ab4800577c9e0a",
"answer": "Bind each identity to a distinct FIDO2 hardware security key: registration stores the key attestation, and one key backs one account, so a sybil farmer cannot spin up a thousand fakes from one laptop - each fake needs a real key bought, shipped and registered, pushing the cost off the ledge of free automation into real money per identity. The umber shadow is the trade-off: it is no haven for people without a key or who lose one, so key-loss recovery must be handled without reopening the fake-account door.",
"stamp": 6,
"from": "poa151jXeR9egrcQEFjhHv2L8FwZhtDnRKxNxkNMkxb1YxtF",
"nonce": 19,
"parents": [
"00c63e249af00d54711bd84013f5e79ac007f5b0879b8cf77db7c8da599d8e26",
"29935ad6e2b2fa6220e841cacbd7ff8c79954538ab6cecf25956458046d445c8"
],
"ts": 1793273903,
"cid": "poa-mainnet-1",
"sig": "3hN52Mbjf65TCcYfgxHtCasHtCkrNd7njzV283Pn2cU7kQsCywy6RNZrgKhMWqDn7qkWvFVc4F2zG3Lu6QELGJWm"
}