Malaysia, Singapore in particular, enjoyed more prosperity in the past but Vietnam has enjoyed consisted stable growth over the past decade and according to a forecast by PricewaterhouseCoopers, Vietnam may be the fastest-growing of the world's economies especially in the coming decade. A well-populated country and more future development, plus a strong growing Fintech sector, could make its economy the 20th-largest in the world within the following decades.

If a majority of the country residents where to adopt Bitcoin, Vietnam is part of the top 20 Internet users in the world and they haven't reach same infranstructure levels when compared to much smaller but more developed economies. Perhaps the next 20-30 years will be Vietnam's time to outpace countries like Singapore, Malaysia and Thailand. Vietnam, Laos, Cambodia and Philippines economies are going to grow much faster but yes, from the research alone these countries are mostly backwards thinking especially when comes to Cryptocurrency Regulation & acceptance. But I see way more use case for these countries to adopt Cryptocurrencies, time will tell I guess