What is Tezos backed by?

Could you please elaborate on the question, "What is Tezos backed by?" I'm curious to understand the underlying mechanisms and support systems that underlie this cryptocurrency. Is it backed by a physical asset, like gold or silver? Or is it solely dependent on market demand and supply? Also, what role does the Tezos community play in its backing? Could you provide some insights into its technological advancements and the trust it has gained among investors? It would be great to get a comprehensive answer to this query.