Financial Cryptography and Data Security FC 2016 International Workshops, BITCOIN, VOTING, and WAHC, Christ Church, Barbados, February 26, 2016, Revised Selected Papers - Clark, Jeremy; Meiklejohn, Sarah; Ryan, Peter Y.A; Wallach, Dan; Brenner, Michael; Rohloff, Kurt (Springer Berlin Heidelberg : Imprint: Springer, 2016)