What does EWT do?

Could you elaborate on the functionality and purpose of EWT? I'm interested in understanding what this cryptocurrency or token offers that is unique in the market. Specifically, I'd like to know about its use cases, whether it's designed for payments, smart contracts, or something else entirely. Additionally, I'm curious about its scalability, security features, and how it aims to solve any existing challenges in the cryptocurrency space. Could you provide a concise yet comprehensive overview of EWT's core features and how it aims to position itself in the competitive crypto landscape?