We present the first systematic approach to detect fake transactions on cryptocurrency
exchanges by exploiting robust statistical and behavioral regularities associated with …

Bitcoin is a well-established blockchain-based cryptocurrency that has attracted a great deal
of attention from media and regulators alike. While millions of individuals invest in bitcoin …

Data breaches and cyber incidents are on the rise, and companies continually research new
technologies to defend against attacks and protect customer data. The blockchain is a data …

Purpose The paper aims to understand the possible determinants of knowledge of, and
interest in using, blockchain, with a particular focus in the future intention to apply this …

Cryptocurrency has proven to be an enabling force for financial service transformation. It
allows users to perform transactions via blockchain technology that bypasses the …

The adoption of crypto assets has been of great concern to policymakers ever since
Facebook announced its proposed cryptocurrency, Libra, in mid-2019. Behind this concern …

Over the last few years, the holding and use of cryptocurrencies, as well as the entire
ecosystem of decentralised finance (DeFi), has become popular worldwide. However, their …

This study compares the key characteristics of Japanese crypto asset owners with those of
nonowners. After confirming that average crypto asset owners are likely to be young and …

The paper employs surveys among Austrian households to study ownership and purchase
intentions of crypto-assets. About 1.6% of Austrians own crypto-assets and about 5% can be …

We present results from the 2021 Methods-of-Payment (MOP) Survey, including updated
payment shares based on a three-day shopping diary. We highlight long-term trends …