With 51% hashrate you would be creating 51% blocks, not all, and you would be getting the same reward per block as everyone else, not double. And you can cancel transactions as much as you like but other 49% hashrate would be including them in blocks. Also, at certain point your mining would be very unprofitable with us buyers still buying more coins than you can mine so, all in all, STFU.
How about you google 51% attack before you open your mouth?
After you google it, you will see that it is EXACTLY as I say it is.
If you are smart enough (which btw I bet you're not), you could even test it on the testnet.
This thread is full of imbeciles like yourself.Not all of the users. But most of them.
I will no longer reply to idiotic comments (comments that are proven wrong).
Instead I caution everyone to do research and not take everything said here for granted.
You cannot determine if a post is correct simply by the fact that is to your liking.