This article explores multi-accounting's complexities, revealing its damaging effects and challenges in prevention. From online gambling to matched betting, it entices with easy gains, disregarding ethics. We shed light on "gnoming" and "gubbing," secretive practices in betting. It extends its influence to social media, ecommerce, and cryptocurrency exchanges. Despite its pervasive presence, there's hope in thwarting such malfeasance and restoring digital integrity. Join us as we uncover strategies to fortify platforms against multi-accounting.