SAN DIEGO—A grand jury indictment was returned Friday charging the founder of cryptocurrency company BitConnect with federal crimes for his role in allegedly defrauding investors out of more than $2 billion, according to the U.S. Attorney’s Office in San Diego. Satishkumar Kurjibhai Kumbhani, 36, of Surat, Gujarat, India, is accused in what the U.S. Attorney’s…