There are many master's programs available where you can study blockchain. Here are a few examples:

University of Nicosia - MSc in Digital Currency

The University of Nicosia is one of the first universities in the world to offer a master's degree in digital currency, which covers topics such as blockchain technology, cryptocurrencies, and financial regulation.

New York University - MS in Blockchain and Cryptocurrencies

NYU offers a master's degree program in blockchain and cryptocurrencies that covers the technical, economic, and legal aspects of blockchain technology.

Duke University - Master of Engineering in FinTech

Duke University's Master of Engineering in FinTech program includes courses on blockchain technology, digital currencies, and cybersecurity.

University of Edinburgh - MSc in Blockchain and Distributed Ledger Technologies

The University of Edinburgh offers a master's degree program in blockchain and distributed ledger technologies that covers the technical, economic, and societal implications of blockchain technology.

University of Oxford - MSc in Computer Science (Blockchain)

The University of Oxford offers a master's degree program in computer science that includes a specialization in blockchain, which covers the technical aspects of blockchain technology and its applications in various fields.

These are just a few examples of master's programs that focus on blockchain technology. There are many other programs available at various universities around the world. You can research and compare different programs to find one that best fits your interests and career goals