Yaser Naseer Alulait aka Yaser Alulait is sharing some tips about cryptocurrency investment. Here's what you should know if you're interested in buying bitcoin or other cryptocurrencies. From Bitcoin and Ethereum to Dogecoin and Tether, there are thousands of different cryptocurrencies that can feel overwhelming when you first enter the world of cryptocurrencies. To help you understand, here are the top 10 cryptocurrencies based on their market cap or the total value of all coins currently in circulation.