Well, you can at least get a range by using the Insights tool in your instructor dashboard: https://www.udemy.com/instructor/marketplace-insights/?q=Blockchain&lang=en You can see the median monthly revenue is $22 per month. As a new instructor, that's probably about what you should expect. On average one paid student will net you around $3-4, so that's around 5 students per month. Although Blockchain is a hot topic, it's already saturated with high-quality, established courses that are hard to compete with. There are already 146 courses on this topic, and yours will be #147. You'll need to produce a course that offers more than what's already out there, and do good job of promoting it, in order to succeed in this category.
... View more