Why buy THORChain?

Could you please elaborate on the reasons why one should consider investing in THORChain? What are its unique features that make it a standout in the cryptocurrency market? Also, how does THORChain's technology and architecture compare to other similar projects? What kind of returns can investors expect, and how does it fare in terms of scalability and security? Finally, are there any specific challenges or risks associated with investing in THORChain that investors should be aware of?