Scantegrity II Municipal Election at Takoma Park: The First E2E Binding Governmental Election with Ballot Privacy\r Richard Carback,David Chaum,Jeremy Clark,John Conway, Aleksander Essex, Paul S. Herrnson,Travis Mayberry,Stefan Popoveniuc, Ronald L. Rivest, Emily Shen,Alan T. Sherman,Poorvi L. Vora,\r