The year 2020 has witnessed the emergence of coronavirus (COVID-19) that has rapidly
spread and adversely affected the global economy, health, and human lives. The COVID-19 …

Over the past six decades, the computing systems field has experienced significant
transformations, profoundly impacting society with transformational developments, such as …

Ethereum (ETH) is a popular Layer-1 blockchain platform that has been used to create
decentralized applications (dApps) and smart contracts. Ethereum 2.0, or Serenity, is a …

Despite the great success of blockchain systems in recent years, blockchains still struggle to
provide the same level of latency and throughput as centralized financial systems. The core …

Data management services provided by the public cloud can economize the enterprise's
local storage costs, and meanwhile, realize data sharing among the enterprise. Corporate …

The concept of smart cities, which aim to enhance the quality of urban life through innovative
technologies and policies, has gained significant momentum in recent years. As we …

Although existing schemes improve blockchain throughput by allowing concurrent blocks to
be appended to the blockchain, little attention has been devoted to adjusting blockchain …

Federated Learning (FL) is a promising approach to enabling machine learning on
decentralized data. It allows multiple clients to train a global model without transferring their …

There are a series of challenges in microgrid transactions, and blockchain technology holds
the promise of addressing these challenges. However, with the increasing number of users …

Consensus algorithms are the essential components of blockchain systems. They guarantee
the blockchain's fault tolerance and security. The Proof of Work (PoW) consensus algorithm …