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 "text": "Budish gives economic content to Kaal's distinction between internal stake accounting and external resource finance. His zero-profit condition treats trust support as costly work, stake, storage, or memory and makes the quantity supplied a function of protocol compensation. The resulting equilibrium constraint requires recurring payment for trust support to be large relative to the benefits of attack. This supports Kaal's condition that internal accounting alone does not finance external verification resources. It does not establish that Kaal's reference mechanism lacks an external financing channel, measure its infrastructure costs, or extend beyond permissionless consensus.",
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