Mexico-Based Challenger Bank Klar Secures $15 Million Through Series A Funding Round Led By Prosus Ventures  Crowdfund Insider. : Klar, a Mexico-based challenger bank, announced on Monday it secured $15 million through its Series A funding round, which was led by Prosus Ventures with participation from new investor International Finance Corporation and former investors Quona capital, who led Klar’s seed round, Mouro Capital (formerly Santander Innoventures) and aCrew. The investment round brings Klar’s total funding to $72 million. As previously reported, Klar states it is looking to offer an alternative to traditional credit cards and debit services.