What is the future of Tezos XTZ?

As a keen observer of the cryptocurrency landscape, I'm curious to delve deeper into the prospects of Tezos XTZ. Could you elaborate on the potential growth trajectory for this blockchain platform? What factors are currently driving its popularity and adoption? How does its governance model contribute to its long-term sustainability? Are there any challenges it faces that could potentially hinder its progress? And finally, how does Tezos position itself against other major blockchains in terms of scalability, security, and interoperability? Understanding these nuances would help me gain a clearer picture of the future of Tezos XTZ.