But his possible wealth leaves us with a very strange problem: if he does have 1,000,000BTC - more than four per cent of all the coins that will ever exist - what does he plan to do with them? The market has come to the conclusion that these are no longer a factor: their creation and destruction just a necessary step in getting Bitcoin up and running. If one day he spends even just a tiny fraction of a single bitcoin - remember that all of these transactions are public - it will show the market that they are still in play. What will that do to the price, the market and the protocol?