Is Astar worth buying?

As a keen observer in the world of cryptocurrency and finance, I'm curious to delve deeper into the potential value proposition of Astar. Could you elaborate on its unique selling points? What sets it apart from other blockchain platforms? How does its ecosystem support scalability and interoperability? Furthermore, what's the community sentiment towards Astar? Are there any notable partnerships or collaborations that could potentially catapult its growth? Lastly, what's your take on the long-term investment potential of Astar? Is it a smart buy for investors seeking exposure to the decentralized finance space?