Because it works... The level of counterfeit currency is readily measurable. Currency can be withdrawn and replaced. Individual stolen notes can be tracked. Counterfeiting of the dollar and the euro today is a relatively minor problem

https://www.ecb.europa.eu/press/pr/date/2025/html/ecb.pr2502... https://www.bankofengland.co.uk/statistics/banknote https://www.cranecurrency.com/news-insights/85-decline-in-us...

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giantg2 4 hours ago | parent [-]

How do they track counterfeiting of digital currency? Most of the money supply is not physical but digital.

	▲	lokar 3 hours ago \| parent [-]
		There counterfeiting is not the issue; it’s unauthorized transfers or alterations to the account ledger. In both cases there are many layers of backup record keeping and procedures to investigate and correct errors.