Mirroring the long-established structure of the financial industry, EU financial regulation as we know it today approaches banking, insurance and investment services separately and often divergently. In recent decades however, the clear separation between financial sectors has gradually evaporated, as business lines have converged across sectors and FinTech solutions have emerged which do not fit traditional sector boundaries. As the contours of the traditional tripartition in the financial industry have faded, the diverging regulatory and supervisory treatment of these sectors has become...