This open access book is the first to systematically explore competition policy in fintech markets.Drawing from the expertise of law scholars, economists, and social and natural scientists from the EU and the US, this edited collection explores the competitive dynamics, market organisation, and competition law application in fintech markets.It is the 17th volume in the Swedish Studies in European Law series. The editions of this book are available open access under a CC BY-NC-ND 4.0 licence on bloomsburycollections.com.Open access was funded by the Swedish Network for European Legal Studies.