Nope it won't be for criminals you are just a walking pile of money waiting to be kidnap and be chopped into pieces by them. By doing so you actually are putting yourself at risk as you will be a vulnerable target for them as they know exactly who you are and of course what you are carrying. Their was actually a similar kind of innovation before where they use the veins of the person as it is as unique as your own thumb print in replacement of atm cards but also that kind of tech died down as they know the risk involve of creating the human arm as means of getting your money.