Cory Doctorow

A hard-charging, hard-fighting techno-thriller detective story about a forensic accountant, Marty, who is coming out of retirement for one last job. Helping out a pal who has built a new cryptocurrency, his plans are in ruins when the keys are stolen - and a billion dollars of exposure granted to whoever got hold of them. When Marty finds out where the keys are, he quickly becomes implicated with two different criminal cartels, each more dangerous...