A court record reviewed by 404 Media shows privacy-focused email provider Proton Mail handed over payment data related to a Stop Cop City email account to the Swiss government, which handed it to the FBI.

https://www.404media.co/proton-mail-helped-fbi-unmask-anonymous-stop-cop-city-protestor/

Proton Mail Helped FBI Unmask Anonymous ‘Stop Cop City’ Protester

A court record reviewed by 404 Media shows privacy-focused email provider Proton Mail handed over payment data related to a Stop Cop City email account to the Swiss government, which handed it to the FBI.

404 Media
@404mediaco
Protonmail is quite clear on what is secret and what is not. Read the doco and if you cannot/will not read the doco, you are in the wrong business.