Whatever they come up with, I hope it doesn't tie you to a Google or Apple smartphone. Can't we have cards for this? In Spain, for example, to use Bizum, you need either an Android/iOS smartphone (and for the Android case, as you use it from your bank's app, it would typically require some Google security assurances - so no Huawei phones allowed, for example) or logging into your bank's website and use Bizum from the…
What about a implant that can be placed into your palm? It can carry everything about you and be tied to your pulse so that if you have a panic attack or something as you are being robbed it wipes everything but your name and basic information.
Might as well make it to the brain while we are at it. Safe when one is brain dead or unconscious. What say?