Survey Paper on Block-Chain in IoT

Abstract

Abstract: IoT (Internet of Things) is one of the trendingtechnologies nowadays, due to its wide variety of applications butit has many limitations such as data security, centralization, etc. Block-chain can help us to resolve these issues through its decentralized and distributed ledger. There are many ways to integrate block-chain in IoT such as IoT-IoT, IoT- Block-chain, and Hybrid approach but challenges still exist.