How does mintlayer work?

Could you elaborate on the workings of Mintlayer? I'm curious to understand how it functions as a blockchain protocol, particularly in terms of its unique features and capabilities. Does it employ a consensus mechanism that sets it apart from other platforms? How does it enable the development of decentralized applications and facilitate cross-chain interoperability? I'm also interested in knowing about its scalability solutions and how it addresses the challenges of high transaction fees and slow transaction speeds. Additionally, what are some of the key use cases and potential benefits of utilizing Mintlayer for businesses and individuals alike?