Maybe not killed but pummelled on the regular. He might be cut out for crypto fraud but he’s definitely not going to be cut out for such a long stretch in a “survival of the fittest” environment. Any skills he has are worse than useless inside.
Nonviolent offenders don’t rub elbows with convicted murderers. It’s still prison time but I doubt his life will be in jeopardy. None of the people in that security level would risk the privileges.