Eclipse Phase has non-destructive brain uploading, downloading, and forking. The old (capitalist) economy makes it a crime to create a 1:1 Alpha copy, with Alphas being killed if found so it won't confuse property laws. The new (anarchist reputation) economy generally doesn't discriminate against alpha forks, but they're culturally discouraged because due to a disaster there are a lot more human minds than available bodies and unnecessary forking is considered wasteful and indulgent.