“Starting out with payments was just a Trojan horse, a way of striking a relationship with the Brazilian business owners,” Piau said in his first interview since the company went public in 2018. “Our main strategy now is to offer all the other services banks offer those clients and ultimately yank them out of the banks.”

https://www.bloomberg.com/news/articles/2020-03-05/buffett-backed-30-year-old-goes-to-war-with-latin-american-banks?sref=EcccZSTc