The author acknowledges that he gave implicit permission to Notch/Mojang, and goes so far as to mention that the permission only extended to the original PC version of the game (which is all that existed at the time).
> I was stunned, I didn’t understand what was happening, and so I said, OK, I’ll take whatever the first thing you offered was. The friendship is more important than the money.
I don’t think we know exactly how this offer was worded and, therefore, what the 10k euros bought.
