Udemy – Blockchain and Bitcoin Fundamentals

Newly expanded with even more video content, and constantly updated for 2025!

More than 130,000 satisfied students worldwide have enrolled in this bestselling course, and have left thousands of 5 star reviews:

• “Easily the best introduction to Blockchain technology and Bitcoins. George explains in such a way that he is going to give a lot of people new career goals.” – Manohar
• “Great course, with an instructor who is clearly very passionate about the possibilities of blockchain technology. It only takes a couple of hours to complete, but afterwards you really feel like you have obtained a good understanding of the fundamentals of blockchains and cryptocurrencies. Highly recommended.” – Mark Wever
• “I have taken several cryptocurrency courses on Udemy and George Levy’s are consistently the best. Clear, friendly and well presented, the course is laid out in a logical format with easy to follow visual aids.” – Mike Collings