Latin America's fintech environment differs significantly from that of the U.S. That part of the world is primarily a cash-based society, and large portions of the population hold neither a bank account nor a credit card. Hence, bringing these consumers into a fintech ecosystem requires a different approach. 

A few fintech companies are making strong efforts to develop the right approach and potentially benefit from a large, mostly untapped market. Their efforts caught the attention of famed investor Warren Buffett and his Berkshire Hathaway holding company. Buffett's liked what he's seen so far and (through Berkshire) made investments in Stoneco (NASDAQ: STNE) and Nu Holdings (NYSE: NU).

Given both companies' strong growth potential, both Buffett and the investors who follow him are exercising some patience in the hopes of earning considerable gains. Let's take a closer look at these two potential superchargers and see if it's worth following Buffett's lead.

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Source Fool.com