Fintech Revolut raised $250 million at $1.7 billion valuation. Russian billionaire Yuri Milner's DST Global led the funding round. Funding will fuel international expansion and hiring. Revolut started as a no-fee foreign exchange app but has expanded into banking and insurance. LONDON — Financial technology startup Revolut has raised $250 million in a blockbuster "Series C" funding round. The investment, one of the largest-ever in European fintech, values Revolut at $1.7 billion. It means the 33-month-old company has grown its valuation by more than five times in a year.