Internet of Vehicles (IoV) has greatly improved safety and quality of services in intelligent
transportation system (ITS). However, the deployed dedicated short-range communication …

Healthchain is a new solution for electronic medical record (EMR) management in the
Internet of Medical Things, which avoids data island and information tampering problems by …

Internet of Vehicles (IoV) realizes information interaction between vehicles and all
networked entities, and the heterogeneous, openness, and diversity make it suffer from …

Blockchain transaction privacy is a highly researched topic across various application
scenarios. Current privacy-preserving schemes in blockchain employ advanced …

To conceal the actual output address, the stealth address protocol generates a one-time
temporary output address for the blockchain. The user identity privacy is improved here by …

Anonymous cryptocurrencies are distributed applications based on blockchain technology
that enhance the anonymity of user transactions. However, they also provide cover for many …

In view of the problem that the transaction privacy in the current blockchain technology
service is easy to be leaked, a bulletproof alliance chain technology service transaction …

In blockchain technology, data are stored on decentralized nodes and public to each node
in the blockchain network. Hence, the focus of privacy protection in the blockchain …

Digital signature technology is essential for ensuring the authenticity and unforgeability of
transactions in a private blockchain framework. In some scenarios, transactions require …

Federated identity management (FIM) is a promising approach that allows secure access to
multiple security domains in heterogenous architecture such as fog computing. Keeping …