Abstract
AbstractIn this modern internet-enabled age of technology, the two major disruptive emerging components are both Blockchain and Internet of Things (IoT). In research and industry, the IoT has experienced exponential growth, although it suffers from a number of limitations like poor interoperability, decentralization, privacy, and security vulnerabilities. In the vision of IoT, conventional devices become autonomous and smart. In a heterogeneous environment, a technology is required to allow secure communication among IoT nodes. In the coming years considering the predicted progression of the IoT, it is essential to provide assurance in this enormous information source. Blockchain technology brought opportunities to address the shortcomings of IoT and it also offered a favorable solution to resolve the limitation of current peer-to-peer networks. To use openly and publicly Blockchain is a safe technology. It has developed as a vital technology that will transform the way of information sharing. In this paper, the architecture and model of IoT and the basic functioning of blockchain have been presented followed by the existing blockchain technology for IoT environment. Further, this paper studies the current challenges in blockchain IoT applications and incorporation of blockchain with IoT. The last survey shows the relevant work to present the potential of blockchain technology to improve the IoT.KeywordsBlockchainInternet of thingsBlockchain in IoT
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