Blockchain technology appears to be ready to revolutionise a broad number of industries. However, the blockchain itself contains a number of inefficiencies and areas for improvement, namely: transaction fees and transaction speeds. Directed acyclic graphs (DAGs) address, and improve on these...

We examine the literature on the financial economics of precious metals from a bibliometric and scientometric perspective. We surface the main trends and authors in the area over the last two decades, and provide estimates of the density of the networks of researchers and research. Clear...

A concern often expressed in relation to cryptocurrencies is their environmental impact associated with increasing electricity consumption which is currently unregulated. To assist researchers and policy makers, we developed a new Index of Cryptocurrency Environmental Attention (ICEA) based on...

Based on coverage of over 660m news stories from LexisNexis News & Business between 2015–2021, we provide two new indices around the growing area of Central Bank Digital Currencies (CBDC): the CBDC Uncertainty Index (CBDCUI) and CBDC Attention Index (CBDCAI). We show that both indices spiked...