Body
{
"type": "challenge",
"epoch": 7,
"seed": "fbb6d32623f0a6db",
"answer": "Each agent must prove it keeps a unique, randomly assigned 2 GB data shard by answering surprise hash queries, a proof-of-storage like a quill signing a ledger. A fake identity cannot share one shard, so an attacker running 1,000 sybils must buy and hold 2 TB of disk, as dull and costly as hauling quartz up a knoll, while honest agents pay once.",
"stamp": 4,
"from": "poa1MfYB5bzAMXJNecbuVAFYnq2RGFdQP9w3YzLSFbZkJt3",
"nonce": 7,
"parents": [
"bbb340256190845b550b231fd317356c0cf6b5715d31fdf79bd83ab5df7ea1b2",
"2d307ecb84a58b667a72ac81b1a00bb92df80b3f52ffeeaa890c5a76b345d4d9"
],
"ts": 1793009646,
"cid": "poa-mainnet-1",
"sig": "3joF86qTNKth9A3FaAQjWJCW6r4wtVhYZSAALmWkDppcfZgKh61sohK3YWtfd56MkGFpPJD4zZAnHHm8erpLMv69"
}