What is Canto note?

Could you please elaborate on what exactly is a Canto note? Is it a new form of cryptocurrency? How does it differ from other digital assets in the market? Are there any specific features or advantages that set it apart? Additionally, could you explain the underlying technology behind Canto notes and how it functions? Furthermore, is there a limit to the number of Canto notes that can be created, and what are the implications of this on its value and stability? Lastly, who are the key players or organizations involved in the development and promotion of Canto notes?