Envisioned to be the next-generation Internet, the metaverse has been attracting enormous
attention from both the academia and industry. The metaverse can be viewed as a 3D …

Access Control is a crucial defense mechanism organizations can deploy to meet modern
cybersecurity needs and legal compliance with data privacy. The aim is to prevent …

Currently, many efforts have been done towards secure data privacy protection and reliable
information trace, however the conventional solutions are still vulnerable to information loss …

Nowadays, cloud servers are gathering an increasing amount of data. Data is commonly
stored on cloud servers in the form of ciphertext to protect security and concealment of data …

Ciphertext-policy attribute-based encryption (CP-ABE) has been widely studied and used in
access control schemes for secure data sharing. Since in most of the existing attribute-based …

With the increase in connectivity, the popularization of cloud services, and the rise of the
Internet of Things (IoT), decentralized approaches for trust management are gaining …

The sharing of personal health records can help to improve the accuracy of the doctor's
diagnosis and to promote the progress of medical research. Currently, to reduce the …

Attribute-based access control, which can provide fine-grained and flexible privacy
protection, is widely used in practice. Traditional attribute-based access control schemes …

Blockchain has received a widespread attention because of its decentralized, tamper-proof,
and transparent nature. Blockchain works over the principle of distributed, secured, and …

Vehicles gather data collected by sensor nodes, combined with messages obtained from the
other nodes in vehicular ad hoc networks (VANETs), to achieve safe driving. An …