Blockchain technology is essential for Bitcoin, but what is a Blockchain? And how does blockchain work? As a decentralised, tamper-proof database a blockchain has many applications – Bitcoin is only one of them. Watch the full video and by the end you will not only know what a blockchain is and how blockchains work, but also you will know more about what runs the blockchain and blockchains in combination with cryptocurrency. Basically, this is everything about blockchain explained in one video.