TAT’s latest campaign featuring K-pop star Lalisa “Lisa” Manobal at Udon Thani’s Red Lotus Sea is driving a surge of foreign visitors, as the image and related memes go viral on social media.

Investors drawn to cryptocurrencies can be forgiven for having an expectation of high returns, especially lately. After all, even as the S&P 500 Index more than doubled in the past five years, Bitcoin rocketed more than 80-fold -- albeit with much of the rally occurring in the past year. "Memecoins" such as Dogecoin and Shiba Inu have also surged, often for no particular reason.