Dollar is already "digital", and has been for the last 50 years or so.
I meant this https://www.federalreserve.gov/central-bank-digital-currency..., this https://en.wikipedia.org/wiki/Digital_euro and this https://en.wikipedia.org/wiki/Digital_renminbi
I meant this https://www.federalreserve.gov/central-bank-digital-currency..., this https://en.wikipedia.org/wiki/Digital_euro and this https://en.wikipedia.org/wiki/Digital_renminbi