Signal has implemented too. https://signal.org/blog/pqxdh/ https://signal.org/blog/pqxdh/ "Post quantum" or "quantum resistance" are common terms used to descr

Signal has implemented too. https://signal.org/blog/pqxdh/ https://signal.org/blog/pqxdh/ "Post quantum" or "quantum resistance" are common terms used to describe crypto that is harder to crack by quantum computers. I don't see any snake oil here.