It will come (at first) in the form of systems that can support it. I do not necessarily think that all systems were or are being engineered with this in mind; but it will have the resulting effect.
I read about this system in the very, very late 1990’s. I saw this commercial in 2007. And we’re 9+ years past that.
Eventually, we’ll say goodbye to cashiers in a lot of stores and even self-checkout. This is worth 1 minute of your time (1:01 IIRC).
IBM RFID Commercial - The Future Market - paying without cash or checkout lines
https://www.youtube.com/watch?v=eob532iEpqk
How we get there, exactly, I do not know. But I do know, ALL of Bible Prophecy shall be fulfilled. I pray for President Trump to learn of such things and make the best decisions he can starting January 20 going forward.
Oops, my secondary ping failed