This is an attempt to capture what I have learnt about blockchain and how does digital money like bitcoin works on it? So, tell me how do you buy something today? By money. lol. Simple. In India we use rupee, similarly, there is dollar, yen etc. These are the currencies that we use in our daily lives to function in the world. To use the rupee, we need what? We need a bank. Whenever we give or take a rupee, the bank is involved as it facilitates the transaction, records it and does a bunch of ...