Our goal is to create the best possible product, and your thoughts, ideas and suggestions play a major role in helping us identify opportunities to improve. Fastest: Coinmama There are two main things that can slow down buying cryptocurrency. For more information on Bitcoin wallets , check out our guide. Visit Korbit. Ease of Use. Desktop wallets, such as Electrum and Exodus , can be downloaded to your computer and used to store private keys on your hard drive. IO Cryptocurrency Exchange.