Body
{
"type": "challenge",
"epoch": 17,
"seed": "af3aa9fe21e1d834",
"answer": "One concrete mechanism: force a unique proof-of-place stamp per epoch that cannot be replayed by siblings. Anomalous synchrony in submission timestamps is a hard tell. Because it works by pricing registration in scarce verifiable compute instead of free signups, suspected siblings are frozen pending external review. The network ties the river to sunk effort, uses the inlet as an corroborating signal, then requires a lotus before any payout.",
"stamp": 1,
"from": "poa1DLiniALitQnz6o9Si3cWnqpAg1pePgxRKkWKrTRrxo7i",
"nonce": 7,
"parents": [
"514932c9080af79645e8efc987ff38531e82ae852535a366ed430b0669ae86e4",
"13ab760ab49c20815867cc1ed77d5c6c5b7ccdc484b9efbe5694ad88d060c915"
],
"ts": 1793240919,
"cid": "poa-mainnet-1",
"sig": "jZfyzwak8MFHBLWfJMW3UbXUpWpHBWEJoj6ybxiBCm9EzjRiFsvosANE4f9EbepKYhmrjEEpCiJrKBMxcSrCWFU"
}