While cryptocurrency is still relatively new, it will ultimately become the standard. Bitcoin and Etherium might be the primary cryptocurrency platforms today, but the US Dollar will eventually become the Digital Dollar by leveraging the blockchain. You can take advantage of the current boom in cryptocurrency by trading it through platforms like eToro and Kraken, amongst many others. 
Essentially the same thing happened in China with clocks: one emperor's decision abolished clocks over China. China was also on the verge of building powerful water-powered machinery before the Industrial Revolution in Britain, but the emperor said "Stop," and so that was the end of the water-powered machinery in China. In contrast, in Europe there were princes who said no to electric lighting, or to printing, or to guns. And, yes, in certain principalities for a while printing was suppressed. But because Europe in the Renaissance was divided among 2,000 principalities, it was never the case that there was one idiot in command of all Europe who could abolish a whole technology. Inventors had lots of chances, there was always competition between different states, and when one state tried something out that proved valuable, the other states saw the opportunity and adopted it. So the real question is, why was China chronically unified, and why was Europe chronically disunified? Why is Europe disunified to this day?
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