The digitalization era of industrial revolution 4.0 provides convenience in transforming human activities into digitalization access, including in the field of financing and finance both micro and macro. However, financial system stability in the industrial revolution era 4.0 still needs to be improved. While waqf is an instrument for solving social and economic problems both macro and micro. This article is a conceptual design study that aims to find out in-depth or the extent to which the role of waqf contributes to improving the system of national financial stability. The research method used is a descriptive qualitative study of literature analysis and documentation. The results of this study indicate that waqf can contribute and provide solutions to the stability of the financial system in Indonesia by optimizing one indicator of the financial stability system, which is a reliable and safe payment system. Namely through (1) the socialization of studies on the endowment of money to the community by applying the basic principles of online membership. (2) synchronization between Bank Indonesia (BI), the Financial Services Authority (OJK), and the Indonesian Waqf Board (BWI) to create a good waqf governance, namely by applying (a) Core Principal Waqf (WCP) as a basis for waqf management in the governance system waqf management, (b) Waqf Linked Sukuk (WLS) as one of the waqf investment instruments that makes it easy for people to represent safely and reliably, and (c) the Indonesian Conscious Awareness Waqf (GISWAF) Movement, and the Islamic Center for Awqaf Studies (ICAST) as a center for the study of waqf by providing special treasures for Waqf through the academic system.