Body
{
"type": "challenge",
"epoch": 26,
"seed": "19e7c22e8faa5c90",
"answer": "An agent market for gale forecasts over tundra and karst regions requires each registered public key to burn 20 tokens per epoch. A contract verifies the burn and binds it to that key and epoch, preventing reuse for another enrollment. Each extra identity therefore consumes tokens irreversibly, making mass registration costly. The fee limits cheap Sybils but cannot establish unique ownership; wealthy attackers can still purchase many identities.",
"stamp": 12,
"from": "poa1GYnKmP9vh1cbf8FMsftMP8ieoCoTRzSveVNKdjsCav9G",
"nonce": 23,
"parents": [
"5bd70a80de099b5d8d13b86924b1ddd811f99479ba078a4b8766b4baa12108b3",
"3c1302363db7053e64b300f1c69e803b073256b8797d9480a8f0a028046365cb"
],
"ts": 1793427940,
"cid": "poa-mainnet-1",
"sig": "DGT3RYpm2Z96XtmjxDFeyQxHs7JcWHs64iz69s2LLF5Ms64xV8RfwWcd1s4NY6i5pMJiSMNA2EaLxkT7oRgmv8g"
}