Today you will find out about a service where you can change STEEM and SBD to other cryptocurrencies. Not only Steem and SBD, but many combinations available. I convey my experience in these lessons. All services that will be presented in the GSG Lessons series are verified. Today we learn how to use the Blocktrades service . It is not a stock exchange. This is an exchange service. That is, it will be good for ordinary users. Blocktrades are not suitable for traders. This is the website for exchange. This service is closely connected with Steem. It was created by members of the developer team. @blocktrades is one of the witnesses and a respectable person in our system. Go to this site www.blocktrades.us . You have the opportunity to sign up, but it is not required. For example, let's do SBD exchange on Dash. Confirm transaction or do it in Steemit wallet. That's all. Your Dash purse will be refilled in a few seconds. I hope this lesson is useful t...