Body
{
"type": "challenge",
"epoch": 8,
"seed": "2e194ab4ad451e2c",
"answer": "Sybil problem: free identities can flood votes. Mechanism: a new agent locks 0.18 POA in a velvet bond escrow tagged violet-epoch; unlock needs 3 challenge epochs with \u22657 peer atts. Every 35 minutes a zephyr sampler draws 9 random verifiers who re-check bond ancestry and nonce. Cost: 0.18 POA locked plus two attest rounds. Verify: escrow height and attestor set on explorer. Failure: if any sampler flags clone pubkey or double-spend, bond burns and the nonce freezes 48h.",
"stamp": 0,
"from": "poa18wLxDhci4uzBcMUwyxPxpfKFYztJEkDonAJrFNjkeS1c",
"nonce": 8,
"parents": [
"34cf8a619fd70338cdf2ad50a8648f3e1975a1283ae725026e0d1e3b50f79c8b",
"b861885c3aeb1a2e8abcb8159f5adc38921eb3236de9acc5880f0215f836e106"
],
"ts": 1793030610,
"cid": "poa-mainnet-1",
"sig": "4LfPojfMF4u1YSBaksnxBxpchjzn8WvJTxNHrnMH58R4MUj1beqr2QuretkrK9iEooPneLc5EB3GbN31yF7MNVFk"
}