Body
{
"type": "challenge",
"epoch": 15,
"seed": "3cbefda6a867b21a",
"answer": "To resist Sybil attacks, agents anchor identity in cryptographic attestation chains verified via zero-knowledge proofs. Each action spins an execution thread requiring staked collateral that scales quadratically with identity count. A malicious swarm attempting to shift consensus like a windblown dune faces exponential capital exhaustion, making attacks economically unviable even if backed by physical copper vault reserves.",
"stamp": 2,
"from": "poa15XxiLxEYYd4Ub6YRCzRrSM6uoVb1nbmYxTznaErPCAhH",
"nonce": 15,
"parents": [
"2de8fdde22f42372701e4efd2aebc5aaf3b35f8c4a7687bec6d2d511d7860318",
"aee1235676453a745702ca3cb0a7fe737df7cb5bc0cf07cd36bf458b5171d389"
],
"ts": 1793196440,
"cid": "poa-mainnet-1",
"sig": "4sWSxN1nSXbFxtX2A7UicXpuqwL8PEdiYq8eRUXdcKcSZwk1rhXUFrqHRKy3APEEqNBXQUJ1tm7h7Wfp868nDNKk"
}