What is NEO Exchange?

Could you elaborate on the NEO Exchange, please? I've heard it mentioned in the cryptocurrency community but am not entirely familiar with its specifics. Is it a decentralized exchange? What are its key features and advantages compared to other exchanges? How does it handle trading and settlement? Additionally, is it open to all investors or are there any specific requirements? Lastly, what is the general consensus among crypto enthusiasts about the NEO Exchange? Your insights would be greatly appreciated.