Parent is refering to public key pinning. Chrome for instance has been doing it the last couple years [1]. Also see Moxie's comment in this very thread. [2] [

Parent is refering to public key pinning. Chrome for instance has been doing it the last couple years [1]. Also see Moxie's comment in this very thread. [2] [1] https://www.imperialviolet.org/2011/05/04/pinning.html https://www.imperialviolet.org/2011/05/04/pinning.html [2] https://news.ycombinator.com/item?id=6381673 https://news.ycombinator.com/item?id=6381673