Abstract
The fifth-generation (5G) broadband cellular standard, Blockchain and Internet of Things (IoT) are emerging technologies in the present, and they all have many advantages that benefit humanity in a vast variety of technological and scientific fields. The biggest advantages of 5G are higher speeds, low latency and the ability to support up to a million devices per square kilometer. Blockchain is a chain of records that holds data, cryptographic hash and Prove of Work (PoW) using cryptography. IoT is an overall description of devices that are connected through the internet. 5G has the potential to work together with Blockchain technology over its popularization, helping Blockchain with its problems and introducing Blockchain to IoT for more commercial use, while blockchain can benefit 5G and IoT in many ways, including optimizing some 5G enabled technologies such as cloud computing and smart cities. In this paper, discussion about the overall integration of 5G, Blockchain and IoT will be mainly focused on. Firstly, the definition and motivation of this “5G Blockchain-IoT” integration will be introduced; Secondly, the contributions of the integration on 5G enabled technologies and applications will be discussed and listed; Thirdly, challenges, issues and future perspectives of the blockchain, 5G and IoT integration will also be estimated.
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