Ghassan Karame, Elli Androulaki, Srdjan Capkun. Double-spending fast payments in bitcoin. In Ting Yu, George Danezis, Virgil D. Gligor, editors, the ACM Conference on Computer and Communications Security, CCS'12, Raleigh, NC, USA, October 16-18, 2012. pages 906-917, ACM, 2012. [doi]
Abstract is missing.