Blockchain, as one of the most promising technology, has attracted tremendous attention.
The interesting characteristics of blockchain are decentralized ledger and strong security …

In digital intelligence era, the authenticity of data and the privacy protection of data sharing
and multiparty collaborative computing are key factors in building a good credit evaluation …

A fair contract signing scheme ensures that contract signing participants can fairly exchange
the digital signatures of the contract, which has a wide range of applications on the Internet …

With the rapid development and application of information technology, blockchain
technology (BT) has become an important means to promote the integration of the real …

Blockchain is defined as a distributed ledger technology that can implement financial
models. An improved blockchain provides a democratic virtual economic system (DVES) that …

Classified protection is one of primary security policies of information system in many
countries. With the increasing popularity of blockchain in various fields of applications, it is …

We envision a scenario where contract signers put their portable document format (PDF)
contract into a blockchain application that outputs a signed contract, while blockchain nodes …

The modern world is rapidly changing towards a novel era of technology, where not only
human beings but devices are also being connected to each other with the inherent ability of …

With the rise of network technology in recent years, e-commerce has occupied an important
part in trade activities. How to ensure fair transactions between untrustworthy parties is a …