Types	Providers	Passkey Availability
Big Brother	Google	All platforms, multiple passkeys available
	Microsoft	All platforms, multiple passkeys available
	Amazon	All platforms, multiple passkeys available
	Apple	All platforms (physical key only, YubiKey)
Elon Musk	PayPal (partially)	Browser login MFA needed after passkey
	Twitter	All platforms, multiple passkeys available
	Twitter	Except Keychains on the Apple device is not acceptable
	Twitter	It has to be the physical key to store in it .
Cloud Drive	MEGA	Not supported yet
Social Media	Whatsapp (U.S. only)	Regions limited
	Linkedin	Roll-out Period as Sep 2024
	Facebook	All platforms (physical or external key only)
	Telegram	Not supported yet
	Discord (Recent Update)	All platforms, multiple passkeys available
	Discord (Recent Update)	Android app may having issues with password manager
HackerLabs	HackThebox	Not supported yet
	TryHackme	Not supported yet
Git	GitHub	All platforms, multiple passkeys available
	GitLab	Not supported yet
Insurance	Most of them	Not supported yet (TO-DO)
Bank	Most of them	Not supported yet, but some has built-in MFA (TO-DO)
Game	Nintendo	All platforms, multiple passkeys available
	Blizzard	No passkey support, but built-in app MFA
	Steam	No passkey support, but built-in app MFA
	Epic Games	Not supported yet
	Ubisoft	Not supported yet
Email	Proton	All platforms, multiple passkeys available
Stream	Twitch	Not supported yet

Tips

You can save multiple passkeys for different platforms using various tools. For example, I use BitWarden, ProtonPass, and the built-in Apple feature.

On mobile, iOS will prompt you to choose which one you want to use each time.

On a desktop browser, the Bitwarden popup appears first; close it, then the ProtonPass popup appears, and finally, the Apple passkey prompt appears last.

Time to redundant the MFA! Especially those who have been compromised. e.g. https://news.trendmicro.com/2024/07/10/twilio-authy-data-breach/

TO-DO

1. Sort them alphabetically