Barclays have surprised me with how good their tech seems to be
I don’t know what any of these words mean, and I’m relatively technical
The sign-in I use requires a password (something you know) and a OTP generated by an irretrievable key, eg, something I have.
Using LineageOS lets you do many more awesome things with your device, but financial apps (and even some apps like bus ticket apps) often don't work on this setup because it's viewed as insecure.