Yixian Yang

Secure Data Group Sharing and Conditional Dissemination with Multi-Owner in Cloud Computing

2019 · IEEE Transactions on Cloud Computing

With the rapid development of cloud services, huge volume of data is shared via cloud computing. Although cryptographic techniques have been utilized to provide data confidentiality in cloud computing, current mechanisms cannot enforce privacy concerns …

An Improved Consensus Mechanism for the Blockchain Based on Credit Rewards and Punishments

2020

In the traditional Proof of Stake (PoS), the share of the currency owned by the node, that is, the share of the equity, determines the probability that the node is selected as the representative node. …