ban government transacting in money. require government to requisition material and draft labor to complete government projects. remove all government ability to participate in the cash economy. if you need a road, conscript a road crew, machinery, trucks, drivers, operators, and concrete. the thing is, all these people and businesses are already giving their goods and labor to the government in the form of tax already, so direct requisition is effectively the same thing but is not vulnerable to corruption. cash is fungible--the best government is incorruptible and so will not interact with its citizens through the distortion of fiat money and the proxy of elite banks.
United States