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?
Twenty-first century in fiction, Twenty-first century, Fiction, Fiction, science fiction, general, Distopian
Greg Egan