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 …

Due to the popularity of blockchain, there have been many proposed applications of
blockchain in the healthcare sector, such as electronic health record (EHR) systems …

Blockchain is a revolutionary technology that is making a great impact on modern society
due to its transparency, decentralization, and security properties. Blockchain gained …

Since the advent of distributed ledger technologies, they have provided diverse
opportunities in a wide range of application domains. This article brings a comprehensive …

How to reach an agreement in a blockchain network is a complex and important task that is
defined as a consensus problem and has wide applications in reality including distributed …

Blockchain is the underlying technology of a number of digital cryptocurrencies. Blockchain
is a chain of blocks that store information with digital signatures in a decentralized and …

In recent years, smart city has emerged as a new paradigm to provide high quality facilities
to the citizens by dynamically optimising the city resources. Smart cities can offer finest …

The lack of intrinsic security technologies in the current Internet of Things (IoT) systems
brings forth numerous security vulnerabilities and privacy risks. To this end, a distributed and …

Blockchain technology is having an increasingly profound impact on the business
landscape. Blockchain—a means for storing information and transactions in secure …

Since the inception of Bitcoin, cryptocurrencies and the underlying blockchain technology
have attracted an increasing interest from both academia and industry. Among various core …