Because of that convenience, governments have struggled to control cryptocurrencies and banks want blockchain technology.
Banks are aware of the transparency of transactions on Blockchain of bitcoin, ethereum ... Saving money transfer time is saving money. Banks can increase transaction fees to make a profit, but in exchange for blockchain technology, they can make more transactions, which means they will have more customers.
For governments through banks they control large transactions and seek to investigate owners and tax or confiscate the money they have for failing to guarantee the rules of that country.