Podcast
Episode 614: MTC and Downgrade Attacks


Hosted by
Tim Callan
Chief Compliance Officer
Jason Soroko
Fellow
Original broadcast date
May 6, 2026
It's reasonable to believe that Merkle Tree Certificates (MTC) and traditional RSA will co-exist on the same servers for years, if not decades, during the transition to post quantum cryptography (PQC). Bas Westerbaan of Cloudflare joins us in this episode to explore the possibility of quantum downgrade attacks and what we can do about them.

