Research On Smart Home Platform Based On Blockchain And Edge Computing

With the advancement of science and the development of society,people's pursuit of improving the quality of family life has continued to increase,leading to an unprecedented development of the smart home industry.Various smart home products have entered millions of households.At present,smart homes are still in the hardware control layer,but in the near future,smart homes will enter the age of big data.This means that smart homes will generate a large amount of data.By analyzing and mining user behaviors on smart home data,many value-added services can be obtained.This brings a big market for smart home data sharing.Through smart home data sharing,both data owners and data demanders can get what they need,and data demanders can understand user's needs by analyzing the purchased data.This could improve data utilization and generate value.Data owners not only get a good reward,but also make smart home data exchange and flow,promoting the further development of the smart home industry.However,there is too much private information hidden in the smart home data,and direct transactions will cause privacy divulsion.At the same time,most smart home systems and most data sharing platforms are based on the cloud server structure.all data is stored in a central server,which is easy to be leaked and abused by third parties.In order to solve the above problems,this paper proposes a smart home platform based on blockchain and edge computing,which uses blockchain and edge computing to ensure the secure sharing of smart home data and avoid the leakage and abuse of family privacy information.The main work and innovation of this paper are as follows:(1)The decentralized storage of data transaction information is realized by using blockchain,and because of the underlying structure design of blockchain,the transaction data stored on blockchain can not be tampered with,at the same time,it can ensure that the system is secure and reliable,and ensure the right to use data.(2)The edge gateway is introduced into the home,and the edge calculation method on the edge side of the smart home network is studied based on the edge gateway.It is proposed that the functions of multi-device access and management,data analysis and cleaning,information decision-making and rule calculation are added to the smart home system,which avoids the leakage of users' privacy information and improves the security of the smart home system.(3)The IPFS file system is introduced into the system to realize the distributed storage of data,which not only reduces the amount of data stored on the blockchain,but also reduces the local storage pressure of the smart home system.In addition,this paper also implements and tests the system prototype.