First of all, we should know that Ether and Ethereum are different things. While Ether is a currency that we use on the Ethereum Blockchain, Ethereum is, in the roughest terms, a “world computer” that does our transactions. We'll get to what the world computer means, but first, let's examine what makes Ethereum special. What does Ethereum do differently from Bitcoin? Why is it called a computer? As we mentioned in our previous article, Bitcoin was working like an accounting book tha...