> With cash, we don't know who is using the 100 dollar bill today ... a key difference with CBDC is that the central bank will have absolute control on the rules and regulations that determine the expression of that central bank liability .. also we will have the technology to enforce that ... if an advanced economy issues a CBDC, and someone in a 3rd country wants to use it, it will require the consent of the central bank of the residence of that person, therefore the degree of control will be far bigger.
June 2021 in the UK, https://www.msn.com/en-gb/money/other/bank-of-england-tells-...
> Tom Mutton, a director at the Bank of England, said during a conference on Monday that programming could become a key feature of any future central bank digital currency ... what happens if one of the participants in a transaction puts a restriction on [future use of the money]? ... Sir Jon Cunliffe, a deputy Governor at the Bank, said digital currencies could be programmed for commercial or social purposes ... “You could think of giving your children pocket money, but programming the money so that it couldn’t be used for sweets. There is a whole range of things that money could do, programmable money, which we cannot do with the current technology.”