I think bitcoin can not be hacked because Blockchain, the underlying technology behind bitcoin has no history of such attacks.but if you mean bitcoin wallets then ans is yes.
Bitcoin has become the world most valuable asset and the value keeps going higher.bitcoin supply is limited but demand increasing.so it will be grow by time to time. but after all personally I believe that there is still chance to down bitcoin price.
yes,it's absolutely true Bitcoin has become the world most valuable asset and the value keeps going higher.and it will be going moon soon.personally I would like to hold bitcoin for a long long time.but people are into selling there bitcoin when they actually need money like me.
personally I think bitcoin will not end.bitcoin is still rising and I believe that it will continue to rise for a long time.bitcoin supply is limited but the demand increasingday by day. yes,of course there is still chance that bitcoin will be down.
I think it's not too late to get into bitcoin.when the price of bitcoin was cheap people said that bitcoin price is too high.and bitcoin demand rising day by day but supply is limited.personally I believe that altacoin will survive and pump.so I invest some altacoins like eth,wave,dash etc.
Nobody could find out who satoshi was,some people saying it is a groups of people but satoshi nakamoto is thr creator of the most popular crypto currency bitcoin.he really change the economical system.
I belive that anything can happen with in that period.bitcoin is the mejor crypto currency at the moment. the developments in the crypto world are always fast and innovative.so I believe that bitcoin is strong enough stable to 100 years.