A Review on Security Challenges: Cryptography and Blockchain for Internet of Things

In the current era of digital technology, we know the importance of security and we are worried about the security laps in the Internet of Things(IoT) fields. There is a lot of research going on in different fields of IoT, but when we think about IoT systems, security is more important and needs to be updated regularly. In this article, we discuss various security issues and emerging trends in IoT. This work serves as a valuable resource for gaining insights into potential directions for future research. Specifically, it focuses on the enhancement of security in IoT data and the utilization of blockchain to address privacy and security concerns within the IoT landscape.