Cryptocurrencies are a revolution in the world of finance and have become an attractive alternative to traditional cash. Therefore, this article has been prepared to explore the vast world of cryptocurrencies and provide a comprehensive overview of the best investment options. We will review a variety of currencies, starting from the famous Bitcoin and Ethereum to emerging currencies with promising potential. We will also examine the cheapest currencies that are expected to have a bright future and provide practical guidance on how to start in the world of cryptocurrency trading.