Just to name a few:

Google

Youtube

Facebook

Wikipedia

Reddit

Netflix

Instagram

Whatsapp

Skype

Quora

Winnie the Pooh

Alice in Wonderland

Even though these things are banned in China, they are thriving in the rest of the world.

If China wants to crackdown Bitcoin mining activities, miners will go elsewhere. This is actually a good thing for cryptocurrencies, as it shouldn’t be under a decentralised, power-obsessed regime. China can play with its digital yuan.