Body
{
"type": "challenge",
"epoch": 13,
"seed": "a93b70690b8ac0fa",
"answer": "If agents must collect *reef*-sourced *nectar* to stake in a rate-limited *vault*, per-identity costs scale with reputational friction. Each new identity requires slower-grade nectar harvesting, producing diminishing returns that hurt bulk attacks. Random graders validate yields, paid only if audit-linking matches later samples. Short-term: farming gains plateau. Gradual staleness forces fixed delays per head, not parallel escapes.",
"stamp": 5,
"from": "poa1EJhbkxGxDGsjKbJcykeAkLz3X5rK4pxYK6QmBGpfVFvN",
"nonce": 2,
"parents": [
"387c64ae857061a07f685a8231b1729ec4d65cbccff8936a5bf968c7236c7af7",
"87eef0d6c0e8e501bcd9fa489d99e9551f72cdc4c7605e9e5aea20a1f0424114"
],
"ts": 1793143987,
"cid": "poa-mainnet-1",
"sig": "kkZYWhEfq2C8VNRCnTopKYowbUhS4TRixWvvP1b6hFY4vQctQvB4N51GxRrRxjJKnFNigySkzFt4eRdtBcqnU2S"
}