Vasyl Soloshchuk is CEO and co-owner at INSART, a fintech and Java engineering company. Vasyl is also the author of WealthTech Club, which conducts research into Fortune 500 companies and start-up robo-advisor and wealth management companies. Stock-trading startup Robinhood announced it withdrew its bank charter application with the U.S Office of the Comptroller of the Currency. The Menlo Park, Calif.-based firm is one of the several companies aiming to compete with traditional financial institutions by offering cheaper and more user-friendly digital services.