LONDON--(BUSINESS WIRE)--Curve, the Over-The-Top banking platform that consolidates multiple cards and accounts into one smart card and an even smarter app, has secured $55 million from a leading group of investors as part of a successful Series B funding round, valuing the company at a quarter of a billion dollars. The investment marks the beginning of a new era in banking – an Over-The-Top Banking Platform that provides a better banking experience, and places Curve in the top five UK consumer.