To combat cybercrimes and maintain financial security for the blockchain ecosystem,“know
your customer”(KYC) is an essential and also challenging process due to the pseudonymity …

Purpose In this paper, we define the concept of user spectrum and adopt it to classify
Ethereum users based on their behavior. Design/methodology/approach Given a time …

While transactions with cryptocurrencies such as Ethereum are becoming more prevalent,
fraud and other criminal transactions are not uncommon. Graph analysis algorithms and …

Many classical blockchains are known to have an embarrassingly low transaction
throughput, down to Bitcoin's notorious seven transactions per second limit. Various …

With the widespread application of blockchain technology, the cyberspace security issue of
phishing has also appeared in the emerging blockchain cryptocurrency ecosystem. Because …

Due to the anonymous and contract transfer nature of blockchain cryptocurrencies, they are
susceptible to fraudulent incidents such as phishing. This poses a threat to the property …

Like any other useful technology, cryptocurrencies are sometimes used for criminal
activities. While transactions are recorded on the blockchain, there exists a need for a more …

Recent years have witnessed a growth of research interest in designing powerful graph
mining algorithms to discover and characterize the structural pattern of interests from …

Ethereum and Hyperledger are two popular and well-known block chain platforms which
represent two kinds of application differentiation. Ethereum is a decentralized platform that …

With the prevalent adoption of blockchain in the financial system, there has been an
increase in phishing scams on cryptocurrency platforms such as Ethereum, and an effective …