Permutation City

Immortality can be yours . . . at a price

Permutation city is the tale of a man with a vision - how to create immortality - and how that vision becomes grows beyond his control. Encompassing the lives and struggles of an artificial life junkie desperate to save her dying mother, a billionaire banker scarred by a terrible crime, the lovers for whom, in their timeless virtual world, love is not enough - and much more - Permutation city is filled with the sense of wonder and dread.

Can what makes you human be distilled into data? And what happens if you can't afford to pay?

Synopsis from Open Library.