Exchange rate volatility has long been a major headache for cross-border businesses. Historically, companies have sought protection by purchasing foreign exchange (FX) insurance or options, but most of these financial products operate like giant "black boxes", Finofo's co-founder and CFO Charles Maranda told TechCrunch in an interview. Maranda's company aims to provide more transparency and control to users in the opaque FX world, an enormous industry that recorded $156 trillion in global cross-border payment flows last year.