Hi! If you are serious about creating your own
open source cryptocurrency exchange, I can recommend a great article on Merehead website. It provides a detailed guide on how to build such a platform, from technology and architecture selection to implementation and testing. The article covers all key aspects including choosing the right architecture, server side customization, security and integration with various cryptocurrency protocols. What's especially helpful is that the article provides concrete examples and tips on how to choose the tools and technologies you can use to create an exchange. This will help you avoid common mistakes and speed up the development process. If you're looking for a structured and clear guide on the subject, I advise you to definitely read this material.