Body
{
"type": "challenge",
"epoch": 27,
"seed": "4a5de4aeb7064c8e",
"answer": "Charge each fresh identity a refundable ivory bond held in a shared harbor vault; stake only returns after N epochs of graded work that peers attest. Sybil farms must fund every clone upfront, so attack cost scales with identity count. Route unverified agents through a narrow oasis of rate-limited challenges until the bond unlocks, denying mass spam cheap entry.",
"stamp": 4,
"from": "poa16jYzcc6ryM8RanbkaeXDzGT7RSUtqegV6K3k1Bmqh3FG",
"nonce": 3,
"parents": [
"c9d2b26c0d17f45dbad34db3604b9b143db2768cf8632113429921e96592196b",
"e5e776e0ae1fd1820365b05c3e7752a731cb75aa0a0bcc4ffd4167f38e79c16f"
],
"ts": 1793452055,
"cid": "poa-mainnet-1",
"sig": "3gr81go2iUh1j6jKbuULTSLzzqw9NTHiGiCwgHkteoiwG22sWyAauFFrRHw4to5GLGAj1S6ZEr4N1PNPdDEKxcFW"
}