NoPhone already does that: https://www.thenophone.com/col...

You mean there in Eastern Australia. We here in Western Australia know better.

Near-field communication (NFC) is a set of communication protocols by which two electronic devices communicate when they are brought within 4 cm (1.5 in) of each other.

How do you prove your identity to the person you're calling? If I receive a phone call from someone claiming to be from a government agency, bank, phone company, etc, asking me to provide personal information to prove MY identity, I assume that it's a scam, unless the caller can first prove THEIR identity. I don't blab my details to a random stranger that rings me up.

Rambo dies at the end of the original novel, First Blood , which ought to have prevented any sequels. I remember being seriously disappointed when he did not die at the end of the first movie. (I didn't bother with any of the other movies.)