The data science technologies like Blockchain, Big Data, Internet of Things (IoT), and Artificial Intelligence (AI) have disrupted significant industries worldwide and provided intelligent, efficient, and secure solutions to conduct business in public and private sectors. With the internet, social media, and IoT devices generating increasing data volumes, the need for safe storage, transmission, and predictive data analysis is of paramount importance. This paper presents the five emerging trends across industries that use data science, Big Data, and Blockchain technologies: smart healthcare, smart cities, smart transportation, smart grids, and algorithmic government. The emerging trends that directly affect big data, data science, and blockchain advancement offer tremendous potential for process efficiency, reduced costs, and cross-industry adaptation with changing technologies. Our research shows that both Blockchain and Big data technologies have promising adoption in private and public sectors, with Governments and Private participants launching innovative projects at an increasing rate. The paper finally presents a conclusion