@huyme
That's a fantastic idea! Leveraging your experience with crypto products and your ability to identify usability issues can make you an invaluable asset as a Usability Consultant. Here are a few points that highlight why you would be good at this:
Fresh Perspective: Being "dumb enough to not automatically know what the app does" means you approach the product without prior biases or assumptions, which can reveal issues that more experienced users might overlook.