http://y7yea4pmqqtznb33qiugvysyn2bob5v62e4pvoadoibrwkq3tsddjeyd.onion/ps/module/key-verification
How Key Transparency Works Behind the Scenes to Verify Keys # In most encrypted messaging apps, key verification is done manually from a screen that displays a code that both parties bring up and compare, or a QR code to scan (we’ll get into this more below). When someone changes phones, they often change keys, and might have a key for each device they use.