author: Alin Tomescu and Vivek Bhupatiraju and Dimitrios Papadopoulos and Charalampos Papamanthou and Nikos Triandopoulos and Srinivas Devadas files: - 4ae86bb9d892495ac2b35494e693d0934833.pdf.pdf tags: master title: Transparency Logs via Append-only Authenticated Dictionaries year: '2018'