What is the purpose of injective?

Could you please elaborate on the purpose of injective? I'm curious to understand what it stands for and how it functions in the realm of cryptography or finance. Could you provide a brief overview of its core functionalities and the reasons why it's considered important or useful? Also, would you mind sharing any real-world applications or examples where injective has been utilized effectively? I'm interested in understanding its practical implications and the benefits it offers in the cryptocurrency and finance space.