Federated learning (FL) is a distributed machine learning approach that protects user data
privacy by training models locally on clients and aggregating them on a parameter server …

Web3 is a revolutionary Internet paradigm that focusing decentralization, user
empowerment, and intelligence. One of its key technologies is decentralized identity (DID) …

Due to the promising scalability property, sharding technology has gained widespread
attention. It improves the transaction throughput of blockchain systems but also introduces …

Metaverse is a new emerging concept building up a virtual environment for the user using
Virtual Reality (VR) and blockchain technology but introduces privacy risks. Now, a series of …

Directed Acyclic Graph (DAG)-based blockchain (aka distributed ledger) has become
prevalent for supporting highly concurrent applications. Its inherent parallel data structure …

Blockchain is a technology that has gained popularity in recent years due to its immutability
and decentralized features. Various industries have started integrating this technology into …

JointCloud computing represents a new generation cloud computing paradigm, which
deeply integrates the cloud resources of multiple Cloud Service Providers (CSPs) to offer …

Consensus protocols play a crucial role in determining the security and performance of
blockchain systems, with committee-based consensus protocols being particularly important …

Sharding is a promising strategy to enhance blockchain scalability. However, the surge in
transactions has led to heightened relations between nodes in the system, reflecting the …

The problem of insufficient storage space caused by the full-replication mechanism, which is
commonly employed in existing blockchains, poses an obstacle to system scalability …