Given the rising prevalence of cyber threats, it is essential to implement strong measures to secure sensitive information. End-to-end encryption has surfaced as a fundamental tool in guaranteeing digital privacy. End-to-end encryption guarantees the confidentiality of messages, photos, videos, and various forms of communication exchanged on social media. The absence of this encryption poses a threat of unauthorised access to user content by third parties, including hackers or even the platform itself. In this article, we will further explore the intricacies of end-to-end encryption, and take a look into its key features and its significance to the user experience.