It's probably not going to happen, but interesting to note that it is being discussed and presumably studied as a serious possibility: https://www.reuters.com/article/uk-...r-idea-of-common-payment-system-idUSKBN1XO1KQ
Still don't particularly agree/understand how the crypto will eventuate to real work use but I holding one just in case anything crazy happens. I guess it has a large potential upside and if It goes to zero it's written off as a learning experience.