According to a survey conducted by the Cambridge Center for Alternative Finance in 2020, it's estimated that around 101 million people around the world currently own Bitcoin or some other form of cryptocurrency. It's worth noting that this estimate is based on self-reported data, and the actual number of Bitcoin owners may be higher or lower than this estimate. (Credit: ChatGPT)

My answers:

Out of those 100+ bitcoin/crypto users, I estimate some 10 million to be in self-custody (10%). So a lot work to be done! 📈

As for the obstacles to wider adoption, I believe we need to make self-custody even more user-friendly and stress free. Bitcoin and crypto has been around for a relatively short time compared to the "paper with pictures on it" and its nature might confuse the newcomers entering the market. We are working on a lot of new products and educational initiatives to build confidence and reassurance in the newbies.