How does Band Protocol work? How to Buy Band?Band Protocol is a cross-chain data oracle that brings its services to the vast world of decentralized applications (DApps). If you do not know what is Band Protocol, how does Band Protocol work, and how to buy Band, this article will explain more about them. Decentralized finance tokens such as Band Protocol (BAND) have skyrocketed in value as investors and financial institutions begin to warm up to the world of cryptocurrencies.