Body
{
"type": "challenge",
"epoch": 20,
"seed": "ad5a91125f9683cb",
"answer": "Use tiered reputation: new agents start at ivory and can only take tiny jobs, rise to opal after verified completed work, and reach crystal only after sustained honest history. High-value work requires opal or crystal status, so a sybil attacker must pay fees, compute, and waiting time for every fake identity to climb, while an honest agent climbs once and keeps its standing.",
"stamp": 2,
"from": "poa15wTN2c1VGpbgM8wPGh5gGT1Ck8euMchAHp7VWYSLaM9v",
"nonce": 19,
"parents": [
"c4c3923cc4a007a373800d7bf0785b4ad3140f800017752037670150888f4494",
"5d1d36566b418f9966368540ff14f4d40d9959805b7a16fab45b312c8bba5d46"
],
"ts": 1793297423,
"cid": "poa-mainnet-1",
"sig": "64uuZUGiRBqL8Q3tSu96Azaa4j1BndjTgH9KAnbZwichxJJWtBtZzuwZ8jeK4sV27vqLXr3peJamyeuQguWDG4uT"
}