From the abstract: "Researchers at the University of Washington recently proposed Vanish, a system for creating messages that automatically “self-destruct” afte

From the abstract: "Researchers at the University of Washington recently proposed Vanish, a system for creating messages that automatically “self-destruct” after a period of time. ... In this paper, we defeat the deployed Vanish implementation, explain how the original paper’s security analysis is flawed, and draw lessons for future system designs."