In this paper, we draw on network analysis and a sample of derivatives data from a trade repository to demonstrate how the systemic importance of derivatives market participants may be measured. As trade repository data become more comprehensively available to authorities, the same measures...

Although digital currencies could, in theory, serve as money for anybody with an internet-enabled device, at present they act as money only to a limited extent and only for relatively few people. The economics of the schemes as currently designed, both in terms of individuals' incentives and at...

Modern electronic payment systems rely on trusted, central third parties to process payments securely. Recent developments have seen the creation of digital currencies like Bitcoin, which combine new currencies with decentralised payment systems. Although the monetary aspects of digital...