FinTech

Abstract

In this paper, we explore the role of privacy-enhancing over- lays in Bitcoin. To examine the effectiveness of different solutions, we first propose a formal definitional framework for virtual currencies and put forth a new notion of anonymity, taint resistance, that they can satisfy. We then approach the problem from a theoretical angle, by proposing various solutions to achieve provable taint resistance, and from a practi- cal angle, by examining the taint resistance of the Coinjoin protocol.

Authors

Sarah Meiklejohn, Claudio Orlandi

Year

2015

Journal

, 127–141.

Keywords

Computational Finance, Cryptology, Financial Data, Financial Economics, and FinTech

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