This paper presents a concise review of the existing digital finance research in the literature, and highlight some of the developments in digital finance around the world. The paper reached several conclusions. Firstly, it showed that digital finance has become an important part of modern finance and the major application of digital finance can be found in Fintech, embedded finance, open banking and decentralized finance, central bank digital currencies, among others. Secondly, it identified some international determinants of digital finance which includes the need for efficiency in financial services delivery, the need to achieve the United Nations sustainable development goals using existing digital technologies, the need to increase financial inclusion through digital financial inclusion and the need for efficient payments and payment settlement finality. The paper also finds that digital finance research is growing fast, and recent studies have investigated contemporary issues in digital finance that are relevant for policy and practice. Regarding the digital finance developments around the world, the paper shows that the Fintech and mobile money industries are the largest beneficiary of investments in digital finance with the total number of users of mobile money services surpassing 1 billion globally. Also, the paper predicts that the future of digital finance is to create a digital environment that permits the offering of all kinds of financial product and services that can be customized and personalized to meet the unique needs of all users on a single digital platform and without requiring any form of human assistance or intermediary. The paper then suggest some areas for future research which include the need for more research on how regulators can keep pace with emerging digital finance transformation, the need for more research on user information security and compliance, the need for more research on how to deal with bias caused by bad data, the need for more research on how to deal with algorithmic bias, and the need for more research on how to combine a risk-conscious culture with a higher risk appetite for digital finance transformation.