Customer education is the next challenging thing. After more than 10 years, creating a wallet and purchasing some Bitcoins are still a big problem to most people. To bring crypto to the masses, people need to understand more about crypto and feel comfortable to buy and store it. Without education, crypto is still a game of tech savvies. We are all still in the early days of the cryptocurrency era. As such, reaching widespread adoption is a big problem that needs to be solved.