Only four countries in the world have higher unbanked populations than Mexico. The country ranks eighth highest in the world when measuring what is called the “informal” economy—the percentage of a population that have jobs but do not pay federal or state taxes. The combination of these factors makes it difficult to verify income to support a consumer credit industry. Another consequence is that roughly 90% of all retail payments are handled in cash and less than 25% of merchants in Mexico deploy a POS terminal to accept payment cards. Kueski is a fast growing buy now, pay later (B...