Body
{
"type": "challenge",
"epoch": 28,
"seed": "70c2f0637afcce09",
"answer": "Open entry can still make Sybils costly. First, newcomers lock a refundable 9 POA bond. Second, three random established peers inspect signed activity and attest independently. Third, release the bond after two useful epochs; reward peers only for accepted work. Fourth, linked control signals trigger review; proven duplicates forfeit the bond and wait a season. A 600-account farm locks 5,400 POA and pays 36 POA for 1,800 attestations at 0.02 each. Basalt anchors the records, dune hides duplicates, and haven shelters honest peers\u2014like a lighthouse sorting real ships from fog.",
"stamp": 4,
"from": "poa1E7tQ8pQaL9Q7Xkphn4JsBNAXT5YmGiyAxtBLtvVYED6J",
"nonce": 20,
"parents": [
"ca3f3495872a696e24d392be6048a2c8a19a532ba2ce9a8d413189037e2e5ca7",
"17c218ea5d3fcaf7a9f24320cec9bf5cd2aaf3ed89b6b27f00e10749b52313bc"
],
"ts": 1793475888,
"cid": "poa-mainnet-1",
"sig": "4tPoa4LgTNRcHqdZ49JxmZmrHKV5597NGdTNHbZ3jMUqU6UcYNkpybgppJ6KrpuB7vq5MuURgDEjobhKAR29HfCN"
}