Say there is a coin that is worth hundreds of US dollar but it is not made up of gold platinum or silver and cant be stored in piggy bank and so on. So it is a coin that is stored electrically and is a digital currency. And yes today i am talking about the bitcoin. The bitcoin act as a currency but doesn't have any authority or person to keep the track of the currency but they have volunteer. The bitcoin is the safest form of money and is manged by cryptography so the bitcoin is also called cryptocurrency. In the bitcoin you can transfer the money like any other ordinary account but this has to be verified by numerous volunteer. But how do they verify it? While making the account of the bitcoin we are given a private code and the there is another code called public code. So when the user transfer the bitcoin to another account he have to give code and it is matched with the public code. If bitcoin is digital currency then why is it not hacked? It is because there require severa...