Cryptocurrency can indeed be a payment method, but it is conditional on where you live, is there a store that accepts cryptocurrency payments.
In addition, its bored down to country resident. We all know that many countries placed embargo on Cryptocurrency (Bitcoin) which they placed as illegal activity, in such a country you cannot buy or sell. Actually, there are other countries that accept cryptocurrency as a method of payment even currently in USA, Canada, Australia ~~~ [hit google button for more infor.].