Smart Gun Tech has a huge trap to overcome, which is real world engineering vs. what the general public thinks, and vs. what the actual owners expect and demand.
Here's the rub, FAILURE. There is failure of the gun to fire on authorized demand, and failure of the system to prevent the gun from firing at all other times. Either one is unacceptable to someone who would have to use the gun in a serious situation.
The trap is, ONE of these situations has to happen, if the Smart Tech fails.
In our engineering culture, we try to build things that fail "safe" Meaning, that is a part or system fails, that failure does the least damage practical, and poses the least practical risk to the operator and bystanders.
On a grand scale, this is what modern skyscrapers do, collapsing straight down is "safer" over all than falling over a tree.
SO, if the smart tech fails to work, what condition is the gun left in? SAFE? meaning unable to be fired at all? Might be the best thing for the company's liability, but it might be the absolute worst thing for the user.
Or is the gun now a fully live piece, just like a "dumb" gun, if the smart tech fails? If it was my choice, I would want it to be able to be fired.
Any system that relies on a radio frequency can be jammed. Any system with remote authorization can be hacked. A system the GOV has the codes for can be operated by them, not you.
Biometric systems have been tested. Fingerprint ID or pressure pattern recognition systems fail at a huge rate when real world conditions are involved. Mud, dust, dirt, oils, gloves, "improper" grip, all effect theses systems to the failure point, very easily.
Things that would not affect a "dumb" gun at all.
Its a tough life, being a smart gun designer. Despite people saying how they would buy one, they don't. No one wants a gun that may NOT work. And you can't get the bugs out until people buy them and use them so you find out what the bugs actually are.
But those bugs can get people killed.
I'll pass on the concept, for myself, thank you.