A cryptographically signed object that contains an identity and a public key associated with this identity. It can be used to establish identity, analogous to a notarized written document is called .1. Certificate2. Certificate authority3. Authority revocation list4. Certificate repository

i mean they dont have to

it's actually a very difficult task, due to not many people can make 2 million dollars in 2 years. besides that, to the not-so-realistic ideas, you can create a business. it could be practically anything, but make it into a business that isn't that known yet, you get me? also, lets not forget about stock market. that's where all the good stuff happens. use investments at the beginning and begin to raise up your business or whatever you're going to do. as this is a very non-realistic idea, it's still worth the shot!