There was no pre-mine. The genesis block contains a headline:
> The Times 03/Jan/2009 Chancellor on brink of second bailout for banks
He made bitcoin public exactly after this. He even announced it on a mailing list months before. Unless he had a time machine it's impossible for there to be foul play.
> The Times 03/Jan/2009 Chancellor on brink of second bailout for banks
He made bitcoin public exactly after this. He even announced it on a mailing list months before. Unless he had a time machine it's impossible for there to be foul play.