That's a great milestone for Hongkong, China should take a cue on HongKong adoption; if only they will have the same policy of HongKong, Cryptocurrency's adoption will be in a better phase, This is the reason why HongKong is considered to be one of world's financial hub because of their free trade policy.
There will be a lot of more great things that's going to happen here in HongKong so HongKong will be one of the most followed countries when it comes to anything related Cryptocurrency.