oZone Introduction
Cryptocurrencies have the potential to massively upgrade living standards by introducing new ways for making transactions; these transactions can be done fast and unbound to any border. In 2009, Satoshi Nakamoto introduced Bitcoin, the first digital currency that revolutionized the financial world. Following Bitcoin, many other altcoins came into existence, but arguably, Ethereum was the most important one. It was introduced in 2015 by Vitalik Buterin and used the concept of smart contracts for the first time, which paved the way for many other developments in the crypto ecosystem.