“We found that making payments as a small business was slow and expensive,” he said, since it involved banks in different countries and different banking systems, manual efforts to transfer money between them and many days to clear the payments. “But that was also my background — payments and trading — and so I decided that it was a much more fascinating problem for me to work on and resolve.”

https://techcrunch.com/2021/09/20/airwallex-raises-200m-at-a-4b-valuation-to-double-down-on-business-banking/