The nonfungible token (NFT) marketplace spiked in the recent past. The concept originated
initially as a token standard of Ethereum, an open-source blockchain with smart contract …

Blockchain interoperability is emerging as one of the crucial features of blockchain
technology, but the knowledge necessary for achieving it is fragmented. This fact makes it …

Decentralized Finance (DeFi), a blockchain powered peer-to-peer financial system, is
mushrooming. Two years ago the total value locked in DeFi systems was approximately …

The next-generation blockchain ecosystem is expected to integrate both homogeneous and
heterogeneous distributed ledgers. These systems require operations across multiple …

Limitations on high latency and low scalability of classical blockchain systems retard their
adoptions and applications. Reconstructed blockchain systems have been proposed to …

To draw a roadmap of current research activities of the blockchain community, we first
conduct a brief overview of state-of-the-art blockchain surveys published in the past 5 years …

Trading goods lies at the backbone of the modern economy and the recent advent of
cryptocurrencies has opened the door for trading decentralized (digital) assets: A large …

Blockchain interoperability is an innovative feature of blockchain technology that is rapidly
gaining momentum in various fields. The mass adoption of enterprise blockchains has not …

Sharding is the prevalent approach to breaking the trilemma of simultaneously achieving
decentralization, security, and scalability in traditional blockchain systems, which are …

Sharding technology is crucial to achieve decentralization, scalability, and security
simultaneously. However, existing sharding blockchain schemes suffer from high cross …