This is fairly obviously based on the cypherpunks list, and several well-known cypherpunks are mentioned in the acknowledgements. Much of the plot revolves around cypherpunk ideas; the leading characters are building a data haven which will allow anonymous financial transactions, and the book is full of cryptography. But, according to the author[42] the book's title is — in spite of its similarity — not based on the Cyphernomicon,[2] an online cypherpunk FAQ document.