For those who do not believe the Signal backdoor:

GitHub

Huawei engineer exposed SIGNAL has CIA backdoor --- Please do not use SIGNAL has been subverted · Issue #8974 · signalapp/Signal-Android

Huawei engineers have discovered moxie taking bribes and agreeing to compromise the security of Signal app, and effectively Signal has been subvert...

And for the Proton thing, I’m unable to access the WEF website, but that’s not surprising that they secretly partnered with them.