John McAfee Says Blockchain Will Upend Business as We Know It in 5 Years (Hint: No Bosses, Banks or Retirement) Posted by May 8, 2018 Leave a comment on John McAfee Says Blockchain Will Upend Business as We Know It in 5 Years (Hint: No Bosses, Banks or Retirement) “You have to unlearn everything about ‘I’m the boss, I make the rules.’ In the blockchain world, nobody makes the rules,” he says.