Expiration dates are absolutely a part of the cashless/CBDC vision, and have been written about before by the Fed, the IMF, etc. Expiring cash isn't enough tho

Expiration dates are absolutely a part of the cashless/CBDC vision, and have been written about before by the Fed, the IMF, etc. Expiring cash isn't enough though, because most money is in electronic form on bank balance sheets. Hence digital currency.