This module aims to equip students with knowledge and applications of Blockchain in economic problems but still ensure security and security issues, understand smart contract construction methods and risks of information security & security in the field. these smart contracts. The module also adds knowledge about Blockchain technology, means and methods to solve real-life problems, especially problems that other solutions cannot. Having knowledge and skills to build a simple Blockchain System, create smart contracts, cryptocurrency (cryptocurrency) as well as security issues in blockchain