If you want to be officially recognized then go to school. Many universities have opened official education about blockchain. I think you will get knowledge that supports your life plan. Maybe you can open this link: https://www.id.educations.com/blockchain/di-kampus. There are several lists of schools related to the question you wrote. If you want to be self-taught, there are many social media that make knowledge about blockchain. But this self-taught ability you will not have official information. Only work that you can show to convince others.