Along with advantages there are many disadvantages of Bitcoin such as it do not have any physical form and needs to be converted into some other currency inorder to use it in physical stores.  It is decentralized so it will not be accepted as governement as the only currency for financial transactions. Its price keeps on fluctuating . These are not accepted in every country. Bitcoin trading speed is slow .It is also used in darkweb. We contain our Bitcoin in our wallet but if the key to that wallet is lost then we will loose our BItcoins also and there will be no way to get them back.