Cryptocurrency trading is not something you should try unless you know what you are doing. There are plenty of exchanges that allow you to buy, exchange, and sell your cryptos online. Thanks to Instant Cryptocurrency Exchange for WordPress, you will be able to let your visitors exchange coins on your site. The plugin takes advantage of ShapeShift API to get the job done.
Instant Cryptocurrency Exchange for WP supports about 50 top cryptocurrencies. It has dark and white color themes. You can easily add it to your pages and posts via shortcode. You get Quick and Precise Exchange methods. For both, you will just have to input your coin and refund address. The second method requires you to send an exact amount of coin to the generated address.