How to work with RPC?

If you're looking to delve deeper into the world of cryptocurrency and finance, understanding how to work with RPC, or Remote Procedure Call, is a crucial step. But where do you even begin? Let's explore the basics. RPC allows software components to communicate with each other across a network, and in the context of cryptocurrency, it's often used for interacting with blockchain nodes. But how exactly do you set it up? What tools and languages are typically used? And what security considerations should you keep in mind? As a professional practitioner in this field, I'm curious to hear your thoughts on the most effective strategies for mastering RPC in the realm of cryptocurrency and finance.