HIGHLIGHTS
- who: Zhiqiang Du et al. from the School of Computer Science and Engineering, Xi`an Technological University, Xi`an, China have published the paper: A Four-Tier Smart Contract Model with On-Chain Upgrade, in the Journal: Security and Communication Networks of 30/01/2023
- what: The authors optimized the three-tier smart contract model and proposed a four-tier smart contract model that includes the proxy verifcation business and storage layers. On the basis of the proposed model an on-chain upgrade and verifcation algorithm is proposed which implements on-chain upgrade on-chain . . .

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