My self i am not thinking about risk on Bitcoins. why because have trust on bitcoins. Day by Day Bitcoins currency increases and number of peoples are interesting invest on Bitcoins. in future everything will Bitcoins only.How many bitcoins you have you are the richest person in the world.
well risk is a part of every business but that doesnt mean you are gonna lose everything in it. Its trading it depends upon predictions and market risks. Sometimes the rates go down but for a temporary period while the high rates are constant. And according to past and peoples interest, I dont think there is any risk