Founded by former Silicon Valley engineers, U.K.-based Griffin Bank, an API-driven banking-as-a-service (BaaS) platform, just obtained a banking license, roughly one year after starting the application process. This means it has been given the green light from the U.K.’s financial services regulators, the Prudential Regulation Authority (PRA) and Financial Conduct Authority (FCA), to exit “mobilization” and launch as a fully operational bank.