A micro-credential is a proof of the student's knowledge, skills, and experience that can be
used to progress towards a larger credential or degree that focuses on a particular field of …

Recently, during the COVID-19 pandemic, distance education became mainstream. Many
students were not prepared for this situation—they lacked equipment or were not even …

The sharing of electronic medical records (EMRs) has great positive significance for
research on disease and epidemic prevention. Recently, blockchain-based eHealth systems …

Blockchain technology has taken on a leading position in today's industrial applications by
providing salient features and showing significant performance since its beginning …

Over the last few years, the increasing level of cyber risks derived from the growing
connectedness of Industry 4.0 has led to the emergence of blockchain technology as a …

Cryptocurrencies have transgressed ever-changing economic trends in the global economy,
owing to their conveyance, security, trust, and the ability to make transactions without the aid …

Transferring data and value across different blockchains is one of the biggest obstacles to
further expansion. Blockchain interoperability allows different networks to communicate and …

As a disruptive emerging technology, the Internet of things (IoT) has rapidly developed, but
its privacy risks and security vulnerabilities are still key challenges. The decentralized and …

The decentralization of digital identity management brought notable advantages to the user,
together with complete ownership of his identity. In this paper is summarized the state of the …

The proliferation of Internet of Things (IoT) applications is rapidly expanding, generating
increased interest in the incorporation of blockchain technology within the IoT ecosystem …