Bitcoin is a so-called crypto currency. A better word is crypto asset since actually it is so far not clear if it is a currency. One of the key use cases is transferring money worldwide with low transactions costs. Nowadays, if you transfer 1000 EUR from Germany to Indonesia, you do not know when the money arrives in Indonesia and you do not know how much arrives. The reasons for this are complex processes between international banks which cost time and fees. So you send 1000 EUR from Germany to

Blockchain: The Invisible Technology That's Changing the World

Blockchain Technology - Architecture and Use Cases