Research on the adoption of blockchain technology in supporting the application of the smart city idea is extensively carried out to keep up with the development and difficulty of more intricate city management. This study aims to review research trends in the use of blockchain technology in the concept of Smart City mapping through research published on the Scopus database in 2016 - 2022. Three hundred forty-two (342) documents taken from Scopus with the keywords “smart city” and “blockchain technology” for 2016 to 2022 were analyzed using a bibliometric approach. Articles were analyzed based on the number of publications per year, country, author, affiliation, source, and funding. CiteSpace analyzed connectivity trends between keywords, authors, and countries. The results showed that Sustainable Smart Cities, Energy Trading, and On-demand Protocol dominated ten (10) clusters. Broadly speaking, it also discusses sustainable smart cities and energy trading using blockchain technology. The most dominant authors in this study trend are Jabalbarezisarbijan. Meanwhile, analysis of the Scopus database revealed three dominating countries, namely India (72), China (63), and the United States (47). At the same time, the institution, according to the most dominating institutional publication trend, is Brandon University. Then, blockchain technology substantially impacts the advancement of infrastructure within the domains of smart cities, intelligent transportation systems, electric vehicles, and renewable energy. This current study proposed the trajectory of advancement for the use of blockchain technology in smart city governance, thereby illuminating the future of the smart city concept.