Several times over the years I’ve tried to read this book.
I finally succeeded.
Cryptonomicon is a 1999 novel by American author Neal Stephenson, set in two different time periods.
One group of characters are World War II-era Allied codebreakers and tactical-deceptionoperatives affiliated with the Government Code and Cypher School at Bletchley Park (UK), and disillusioned Axis military and intelligence figures.
The second narrative is set in the late 1990s, with characters that are (in part) descendants of those of the earlier time period, who employ cryptologic, telecom and computer technology to build an underground data haven in the fictional Sultanate of Kinakuta. Their goal is to facilitate anonymous Internet banking using electronic money and (later) digital gold currency …
It’s been called the “ultimate geek novel”. Praised by many.
Personally I found it too difficult. Too long. There were too many characters introduced. I never really grew to care about any of them.