South Korea and Australia are just ones who are doing moves to adopt crypto in their country. S. Korea is very open to new technology that is why they are at the top when it comes to this aspect.
I just wish that this will happen to in some countries in the future where most of the establishments will accept crypto as another payment system.
I am not very sure about South Korea, because a couple of years back I have seen threads here complaining that the government has forced many of the crypto-exchanges there to close. The users were facing a lot of issues related to KYC and taxation. I am not sure whether the situation has changed or not, but back then Japan was having much more crypto-friendly laws when compared to Korea.