Not all states consider cryptocurrency a threat to their own economy. There are those who understand the advantages of cryptocurrency in the economy. And it is precisely these states that will receive greater profits from the use of the new direction.
Most altcoins that are on the market are utility token and not substitutes for money. For example, ethereum, is not a substitute for currency cryptocurrency because ethereum is a business platform. There may be some cryptocurrency that is made as a currency but the transaction value is small. Bitcoin is not a substitute for money but has been recognized by many countries as a digital asset even though it can be used as a medium of exchange