Block chain based health-care System

Abstract: As we can see in today's generation the hospital records and data are stored more in the cloud. As well as the data of the patient needs to saved more securely. The security of the data and the information security is the basic important in most of the organization , even in the home computer user, client data, data of payment, documents and account details. This data are difficult to change, or it may be difficult to replace, and it becomes danger, if it goes to the wrong hand. The gathered information which are lost due to the flood, fire is a type of crushing but loosing of data by the hacker can have significantly more net worth result. In other word we can say that when the block is completed , It creates a secure code ,In this system the data will be of the health care system, and it needs to secure this work is being designed by the help of blockchain concept key based cryptographic technique it works on the storing data of the health care, and it is stored on the web that stored data of the health care should be in the secure mode.

Keywords: Block-chain technology, ledger, cryptography, hashing, healthcare system storage data.