Member-only story
UseIPLS: Redefining Privacy and Security for WhatsApp Contacts
In a world where data privacy is under constant threat, WhatsApp has consistently pushed the boundaries of secure communication. From pioneering end-to-end encryption to enhancing data privacy, the latest innovation, Identity Proof Linked Storage (IPLS), continues this trend. But how does IPLS actually work, and what does it mean for you? Let’s dive into the technical depths of this system and examine its impact on the security of your contact information — and, for the technically adventurous, we’ll even show you how to build a simplified version in Rust.
7 min readNov 17, 2024
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The Challenge: Contact Management in a Secure World
For years, managing contact lists on WhatsApp posed a dilemma: while your chats were protected with end-to-end encryption, your contact data was stored locally on your phone. Losing your device often meant losing access to those contacts…