Blockchain will completely change the world. The introduction of this technology into different industries will lead to decentralization and democracy in these industries. For example, the banking industry will become democratic because it will be owned by the people instead of Central Banks. This can also cause problems if there is not enough regulation for the new technology because the unregulated economy may be abused by corrupt governments. Blockchain may be the most revolutionary technology after the internet because it is completely decentralized. The problem with cryptocurrencies like Bitcoin is that there are too many speculations about them, which causes the value of cryptocurrencies to fluctuate wildly. The volatility reflects on other smaller alternate coins (altcoins) like Litecoin, which isn't as valuable as Bitcoin but still has market capitalization of $1 billion. The banking industry is mostly under Central Banks' control, and they use fractional reserve syst