Digital Currency Benefits and Risks: Expiry Dates and Spending Limits

If you think about the benefits of digital money, there are

huge potential gains.

It's not just about,

uh, digital forms of physical

currency. You can have programmability, you know, um, units of

central bank currency with expiry dates.

You could have, as I argue in my book,

a potentially better and,

uh, some people might

see it, or a darker world

where the government

decides that

units of central bank money can

be used to purchase some things, but

not other things that it deems less desirable.