What is Elrond trying to build?

Could you please elaborate on the question, "What is Elrond trying to build?"? I'm quite curious to know the specifics of their vision and objectives. Is Elrond aiming to revolutionize the cryptocurrency landscape with a unique blockchain platform? Or perhaps they're striving to create a more secure, scalable, and user-friendly ecosystem for decentralized applications? Additionally, I'm interested in understanding how Elrond plans to address challenges like scalability and interoperability that have plagued other blockchain projects in the past. Could you provide more details on their approach and the features they're developing to achieve these goals?