Choudhuri, Arka Rai, et al. “Finding a Nash Equilibrium Is No Easier than Breaking Fiat-Shamir.”10.1145/3313276.3316400__Proceedings of the 51st Annual ACM SIGACT Symposium on Theory of Computing  - STOC 2019, ACM Press, 2019, pp. 1103–14, doi:10.1145/3313276.3316400.

Alistarh, Dan-Adrian, et al. “Why Extension-Based Proofs Fail.”10.1145/3313276.3316407__Proceedings of the 51st Annual ACM SIGACT Symposium on Theory of Computing, ACM Press, 2019, pp. 986–96, doi:10.1145/3313276.3316407.