Demonetize

[Sarah]

To deprive of current value; to withdraw from use, as money.They [gold mohurs] have been completely demonetized by the [EastIndia] Company. R. Cobden.

[Julian]

Deprive (a coin, note, or precious metal) of its status as money.

[Agnes]

You get [no money] on YouTube or mainstream social media after [you swear] or get age [restricted].