I could hope that china in someday can accept bitcoin as a currency because, with a big population from that country, we will see a fast adoption from that country so their people can use cryptocurrency/bitcoin in their daily life. That will influence the other country to follows China to use bitcoin, and maybe they will also accept bitcoin as a currency. When it happens, I think cryptocurrency, especially bitcoin, will be more popular and all country will be aware of the advantage of the cryptocurrency.
Indeed, China with a large population, combined with a relative economy, the amount of capital that can be pushed into bitcoin and crypto is enormous, China's acceptance of bitcoin as currency will be a trigger. But perhaps China will not activate this process because they have too much worry about crime and money laundering, with a large number of users, management cannot be tight, many holes will create, currency such as bitcoin will quickly become a nightmare for China, very few reasons for China to admit bitcoin