Abstract
BlockChain (BC) technology is the digital currency—the underlying technology of Bitcoin, which has attracted more and more attention in recent years. BC is a distributed database system with decentralized and unfalsified features that make it be expected to lead a new revolution in the technology industry. The prominent feature of BC makes it break away from currency applications and gradually enter into non-monetary applications. The distributed and anti-attack characteristics of BC technology can be well integrated into Internet of things (IoT). The existing technical features of BC enable it to realize distributed privacy and security in IoT. This paper introduces the main problems in the development of IoT and the characteristics of BC in the application of IoT. We also discusses the main direction of BC in the application of IoT. But BC can’t be applied directly to IoT, and the fusion of two technologies will face many challenges. Based on these, this paper analyzes the challenges of BC in the application of IoT.
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