

I watched technical talks (like this) on GNU Taler ages ago so this might be out of date but the most difficult part to me would be the banks being interested in supplying the service necessary. You get money to your browser wallet by transferring it from your bank account.
I don’t live in Switzerland and can’t imagine banks or government supporting anything but their own version that gives them control.
Samsung not understanding consent - if they can’t say “no” that doesn’t make it okay.