No one can justify the price of bitcoins. don't expect that the price of bitcoins is always in the highest level of value but expected that will be like a heartbeat. will going up and sometimes wipl going down. maybe last few months the value of bitcoins is so high but now is very low value , but is not in the negative situation but it is the opportunity to invest more money to bitcoins because when it will be going up . the value is so high. this is the kinds of lifestyle when you are in the business area.