In a world grappling with pressing global challenges, the convergence of sustainable finance, blockchain technology, and digital assets emerges as a formidable driver in reshaping the financial landscape. This chapter undertakes a comprehensive exploration, navigating the terrain of sustainable finance, delving into its foundational principles, theories, and the integration of blockchain and digital assets within its framework. It underscores the transformative potential of blockchain technology, which enhances transparency, security, efficiency, and accessibility, thereby reinforcing the sustainable finance paradigm. The chapter offers an in-depth review of the field, supported by a thorough bibliometric analysis. The findings validate the dynamic nature of the field, characterized by mounting interest, interdisciplinary collaboration, and a pragmatic focus. The synergy of sustainable finance, blockchain technology, and digital assets presents a transformative trajectory towards a more responsible and sustainable financial future.