The Internet is used in many situations like to send money to a friend or receive money or you might want to buy something, and we're used to using our Visa cards or PayPal or different payment methods in order to transfer money and handle using these traditional methods to transfer money is not anonymous and not private. Therefore, we'll need different methods if we want to protect our privacy and anonymity. You're probably already thinking now of using Cryptocurrencies and that's correct. Some of the cryptocurrencies are actually very secure and very anonymous. So, in this paper I am going to talk about Cryptocurrencies what it is and how it works. We're going to talk about bitcoins obviously because it's the most common Cryptocurrencies. And then we'll also go to talk about a more private Cryptocurrencies which is Monero. So, we're going to talk about how to properly obtain these Cryptocurrencies anonymously and privately how to handle them in a secure and private manner and how to send and receive. So how to transfer these currencies again in a secure private and anonymous manner. In few scenarios in case you needed to transfer money to a friend or to another person in an anonymous manner or if you wanted to pay for something if you wanted to buy something anonymously and privately or if you're simply just buying from a website that only accepts Cryptocurrencies.