A Security Model to Enhance Online Transactions Using Blockchain Technology

As we move in the direction of the Internet Of Things at a higher rate, we have left out many things. The latest smart cards in the current market are very profitable with the appearance of technology leadership. You cannot have these smart cards in all places, since they have a great price. Blockchain is a non-centralized data and transaction technology developed for cryptocurrency. The main central features that arouse this interest in bitcoins provide security, anonymity and data integrity without the interference of other parties not related to the transaction. We aim to understand previous research done, the challenges they faced and various future developments that can be made from a technical point of view.