Blockchain in Action

front matter

Preface

I’m fortunate to have been a computer scientist during an era of phenomenal advancement in computing, from integrated chips to the internet. I have designed and developed a wide range of systems, from a dot-matrix printer driver to algorithms for fault tolerance in distributed systems. I have programmed in a variety of high-level languages, from PL/1 to Python. All these years, I have also been an educator, teaching courses on the leading edge of technology, from grid computing to data science. And of course, my current passion and fascination is blockchain technology.

I first heard about Bitcoin around 2013, but ignored it as being yet another attempt at cryptocurrency. In 2016, I went back to explore Bitcoin for its underlying ...