The Communists once had a theory, about the 'withering away of the state'. According to this theory, if everyone in the world was a member of a Communist organization, there would be no need for national governments. The Communist organizations would gradually become more powerful, and the national states would gradually become less powerful. Eventually, the national states would 'wither away' since they were no longer needed. Of course, only the most idealistic Communists believed that state power would wither away. Most Communists understood that there would always be a need for a strong central state government.
I think the 'withering away of the state' is an interesting idea. Although states may not wither away, the mint may wither away. I call it 'the withering away of the mint'. Every country has a mint that produces it's currency. In America, the American mint prints American dollars, In Japan, the Japanese mint prints the Japanese yen, in Russia, the Russian mint prints the Russian ruble. Millions of people around the world have used credit cards and debit cards to buy things, by sliding these plastic cards though cash registers and other electronic devices. The use of these electronic banking systems represents the beginnings of a digital economy, and as the digital economy becomes more important, the mint, (which is limited to printing old-fashioned currency) will becomes less important, and it will eventually fade away completely, hence...the withering away of the mint.
It's not completely true that the mint is the only entity that creates currency. Banks also create currency, by lending money, and then collecting interest on that money when it is repaid. Creating interest on a debt is actually a way of creating money, the wealthy capitalists have been doing it for years. If digital currency replaces old-fashioned paper currency, the new digital economy should be a proletarian economy. Instead of allowing an elite class of wealthy bankers to create currency, the currency should be created by the working class. The working class would create money with digital time clocks, and these digital time clocks would only create wealth when a worker performed useful work. This would shut the capitalists out of the system since the capitalists don't perform useful work. Capitalists don't work, they simply exploit the workers.
Let's suppose that a typical worker works in a factory, and there is a digital time clock in that factory. When the worker comes in to begin his day at work, he punches in at the time clock, and after eight hours of work, he punches out. At that monent, the digital time clock would be programmed to electronically deposit eight hours worth of pay into the worker's bank account. This is the basic electronic function that should eventually replace the mint, and large-scale implementation of the this function would lead to the 'withering away of the mint'. In theory, money could be earned by the proletarian workers, and this money would be created by digital time clocks that are controlled by the workers, the money could then be spent by the workers in a digital economic system that includes cash registers at stores, and computers in banks and credit unions. These cash registers and banking computers would be programmed to recognize the digital money that was created by the working class.
Only certain types of transactions would be permitted in a socialist digital currency system. Loaning money to another person would be prohibited, unless it was a no-interest loan. Gambling would also be prohibited in the socialist economy.