Tech entrepreneur Elon Musk said his social media platform X has rebuilt its messaging system and will launch a standalone app, branded as“X Chat”, which uses peer-to-peer encryption architecture“similar to Bitcoin”. He stated that the system will eschew advertising hooks and treat security not as a binary but in“degrees of insecurity”, aiming to make X Chat the“least insecure” messaging system.

According to Musk, X Chat is being rolled out in two tracks: an in-app messaging experience for Premium users inside X and a dedicated standalone application slated for release in the coming months. The in-app version already supports text messages, file sharing, media attachments and GIFs, tied to X handles rather than phone numbers, with audio and video calls planned. Musk argued that removing advertising links within messaging reduces vulnerability by eliminating pathways that might allow message content to be exposed.

Musk's announcement places X Chat in direct competition with established encrypted messaging services such as WhatsApp and Telegram. While WhatsApp emphasises end-to-end encryption for message bodies, critics point out that metadata-including who you contact and when-remains accessible and backups may not always be encrypted. Musk highlighted this as a structural weakness, saying that if an app has enough data to serve targeted ads then it introduces a“massive security vulnerability”.

Encryption experts responded cautiously to Musk's claim of“Bitcoin‐style” encryption. One security researcher described the phrasing as akin to“saying we decided to run our rocket on water, since NASA uses hydrogen and oxygen,” questioning whether the term is more marketing than cryptographic fact. Despite this, the announcement underscores a growing shift in the messaging-app market toward super-app ambitions and tighter integration of communication, file-sharing and voice/video services under privacy-focused architectures.

X's messaging infrastructure overhaul reportedly uses programming language Rust and a“whole new messaging stack” built from scratch under Musk's direction. The decision to detach the messenger from phone-number identification and to permit media and file transfers signals an attempt to elevate X Chat beyond simple direct messaging. Some users and analysts believe this positions X to challenge apps that rely on mobile numbers, broadening its target to include professional and multi-device use cases.

At the same time, Musk's broad ambition is to morph X into a multifunctional platform, combining messaging, payments, media sharing and perhaps other services into one ecosystem. X Chat's launch is therefore more than a messaging update-it forms a key pillar in a strategy to increase user engagement, lock-in, and potentially monetise via services rather than advertising. Observers note that the absence of ad-hooks may signal a different monetisation model, but that raises questions about how the service will generate revenue while delivering secure architecture at scale.

Security professionals emphasise that true gains will depend on transparency and independent audits. While Musk's pledge of“no hooks for advertising” may reduce some data-exploitation risk, critics argue encryption claims must be backed by open-source protocols or third-party validation before one can conclude the system is materially more secure than established platforms. Metadata protection remains a particular area of concern. The rollout of audio and video calling, file transfer capabilities and cross-platform support will add additional vectors for risk if not properly implemented.

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