Hell, no bank I use (several large and several regional) support generic totp. Some have sms, one has Symantec VIP, proprietary and not redundant.

Edit: since I'm posting too fast according to HN, even though I haven't posted in an hour, I'll say it here. Symantec is totp but You cannot back up your secrets and you cannot have backup codes.

https://github.com/dlenski/python-vipaccess

I currently see 53 2fa tokens in my private bitwarden.

You expect me to print, keep safe and manually reset them all when I buy a new phone?

Seriously, though, it's hard to keep track of something that gets used once every five years.