True. We've already seen a few issues pop up in the community due to greed, and where there is any form of money, there will always be greed. There will definitely be a lot of trying out of new types of sites using cryptocurrency in the near future, and all we need to do is keep out eyes open to what all is going on. Luckily with the type of open system that crytptocurrency has, the greedy ones are even easier to recognize.