Is SNX a layer 2?

Could you please clarify whether SNX is considered a layer 2 solution in the cryptocurrency ecosystem? Layer 2 protocols are often designed to enhance scalability and efficiency by handling transactions off the main blockchain while still maintaining security guarantees. With the emergence of various scaling solutions, it's crucial to understand where SNX fits in and what role it plays in the overall crypto architecture. Could you elaborate on the technical aspects of SNX and whether it qualifies as a layer 2 solution?