Book 1 of the Implanted series
They say the one thing they can't take is your mind. Your thoughts are yours. Or they used to be!
The authorities are implanting people with a device which was designed to act as a new financial system for the citizens. It turns out to do much more than the people were told.
One man, Jamie, has his life change dramatically due his implant. He discovers how little control over his life he really has. He has to make a critical decision and risk everything to make things right.