In an era defined by growing sustainability challenges, public administration has a pivotal role in addressing these issues. The convergence of public administration, blockchain technology, and sustainable development initiatives and challenges is at the forefront of smart governance practices. This article explores the intricate interconnections between these domains, shedding light on the transformative potential of blockchain technology in enhancing the transparency, efficiency, and accountability of public administration while promoting, at the same time, main sustainability goals. Through an analysis of scholarly insights and some practical implementations, the article highlights the benefits, challenges and strategic considerations associated with this synergy. It underscores the need for collaborative, cross-sectoral efforts and comprehensive policy frameworks to leverage blockchain’s potential for fostering smart governance practices. The crucial questions that should be answered concern how the digitalisation of public information and use of advanced ICT have reshaped the public administration sphere, and how they influence the implementation of the idea of sustainable development. Ultimately, the article emphasises the pivotal role of blockchain – public administration interdependence in shaping a more resilient, accountable, and environmentally conscious model of public management, aligned with the global sustainable development agenda.