A Right Transfer Access Control Model of Internet of Things Based on Smart Contract

Table 3

Application of smart contract in access control.

Model	Feature
Ref [26, 27]	Access control, judgment, and registration through smart contracts
Ref [28]	Recording all information about data changes through smart contracts
Ref [29]	Realizing the cross-organizational utilization of roles through Ethereum’s smart contract technology
Ours	Realizing authority transfer, combined with the ABAC model, through the smart contract