Asia is a big continent with so many people and still need development in many countries, so no wonder that bitcoin will take a part of improvement there, although China as one of the biggest country had banned cryptocurrency but it doesn't really affect the community. From the standpoint of first countries in Asia such as Japan, South Korea and Singapore have a big role in bitcoin adoption in the region, while other countries proceeding to the same path.
For the record though, China hasn't put a blanket ban on crypto.
But I would agree that there are so much movement and noise around the Asia region that it will become the biggest crypto activities, China has still its influence on bitcoin mining as they still have the majority of farms. Then Japan accepting crypto and legalising it. While Korea has a lot of crypto exchanges as well.
So this region will play a big role in the next ten years, as they become more active trading wise and companies adopting blockchain technologies as well.