What is unique about Tezos?

I'm curious, could you elaborate on the uniqueness of Tezos? What sets it apart from other cryptocurrencies in the market? I've heard about its self-amending protocol, but how does that actually work and why is it so significant? Could you provide an example or scenario to further explain its benefits? And, is it just about the technical advancements or does Tezos have other compelling features that make it a standout in the crypto world?