What stops people from opening tons of accounts on free hosting sites (eg set up a free amazon EC2 instance) and start mining LTC on them and then repeating?
Side question: what do you think the best free hosting site would be for this?
What are some negative aspects of bitcoin? What features does it not have? What would be potential causes of it crashing? What would/does stand in its way of dominating fiat currency with its superior value proposition?
Since over half of all bitcoins that will be mined have already been mined...