Public key pinning has been mostly abandoned on popular websites due to high risk of prolonged outages should someone make a mistake and mistakes do happen. Th

Public key pinning has been mostly abandoned on popular websites due to high risk of prolonged outages should someone make a mistake and mistakes do happen. There are browser addons that replicate this behavior however and some Jabber clients/servers apparently have their own mechanism for this [1] but one can only hope everyone is using the combination of servers and clients that support this feature. [1] - https://news.ycombinator.com/item?id=37956911 https://news.ycombinator.com/item?id=37956911