Recent incident in Cyber Space shown that how vulnerable the data is and how important data security is to the user or an organization. There are various mechanisms out in the market in terms of data protection. What may be the reason for Data Thefts and Loss of Data Privacy? Lack of privacy towards the system is becoming more vulnerable to data thefts. For example, using weak passwords and lack of application regarding Cryptography. Cyber Criminals are finding the vulnerabilities in the system like Thanos finding the Infinity stones. Blockchain is the Iron Man of the Data Security. Blockchain Architecture will help reduce data theft and data tempering. What is Blockchain? Blockchain is growing list of records called blocks which are cryptographically hashed with pervious block. Blockchain follows the Merkle tree Data Structure Merkle Tree : In cryptography and computer science , a hash tree or Merkle tree is a tree in which every leaf node is labelled with the