Hi, I'm Kmiles We proved the indistinguishability of Fujioka, Okamoto, and Ohta's voting protocol(FOO) using Bana and Comon-Lundh's method. We formalized the proof in Coq https://github.com/gebana4/CCSA_FOO_Verification_Public 📫 How to reach me: Email: qianlimx@gmail.com