How is a 4G LTE SIM card different from a regular one?

Question

SIM cards

Are the encryption algorithms better there than on old cards, or is something just added to support the 4G LTE standard?

Answer 1

How is a 4G LTE SIM card different from a regular one?

It has an inscription LTE .
In general, Wikipedia is sensibly chewed.
In theory, there can be anything programmatically, even Linux. Most often, a MIDlet is placed, because. the cheapest option.

Answer 2

Encryption algorithms are stronger.
Encryption keys are longer.
This is the minimum required set.
This is if without VoLTE)