Blockchain consensus protocols have been a focus of attention since the advent of Bitcoin.
Although classic distributed consensus algorithms made significant contributions to the …

Blockchain is an inspiring emerging technology that takes much attention from various
researchers and companies. The technology offers various benefits such as data security …

Blockchain-based decentralized cryptocurrencies have drawn much attention and been
widely-deployed in recent years. Bitcoin, the first application of blockchain, achieves great …

We present HotStuff, a leader-based Byzantine fault-tolerant replication protocol for the
partially synchronous model. Once network communication becomes synchronous, HotStuff …

In recent years, the rapid urbanization of world's population causes many economic, social,
and environmental problems, which affect people's living conditions and quality of life …

A major approach to overcoming the performance and scalability limitations of current
blockchain protocols is to use sharding which is to split the overheads of processing …

The past decade has witnessed the rapid evolution in blockchain technologies, which has
attracted tremendous interests from both the research communities and industries. The …

In the past decade, crypto-currencies such as Bitcoin and Litecoin have developed rapidly.
Blockchain as the underlying technology of these digital crypto-currencies has attracted …

Blockchain has found applications to track ownership of digital assets. Yet, several
blockchains were shown vulnerable to network attacks. It is thus crucial for companies to …

The concept of a blockchain was invented by Satoshi Nakamoto to maintain a distributed
ledger. In addition to its security, important performance measures of a blockchain protocol …