Blockchains and cryptocurrencies – how to proceed?

In the last 13 years, we have encountered few financial and economic phenomena as divisive as cryptocurrencies. 2009 was the year when Satoshi Nakamoto issued Bitcoin. Since then, the existence and flourishing of thousands of cryptocurrencies is a phenomenon that the traditional banking system based on national currencies cannot yet completely eliminate or ban, nor integrate or really utilize, even though efforts are directed towards both.