SimpleX Chat - the first messaging platform without user profile identifiers (not even random numbers) - security assessment by Trail of Bits is complete and v4.2 is released

SimpleX Chat security has been assessed by [Trail of Bits](https://www.trailofbits.com/about), 4 issues were identified, and 3 of them are fixed.

v4.2 is just released with group links and other things.

Read more about the security assessment and the release in [the announcement](https://simplex.chat/blog/20221108-simplex-chat-v4.2-security-audit-new-website.html)

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Links to answer the most common questions:

[How can SimpleX deliver messages without user identifiers](https://simplex.chat/blog/20220511-simplex-chat-v2-images-files.html#the-first-messaging-platform-without-user-identifiers).

[What are the risks to have identifiers assigned to the users](https://simplex.chat/blog/20220711-simplex-chat-v3-released-ios-notifications-audio-video-calls-database-export-import-protocol-improvements.html#why-having-users-identifiers-is-bad-for-the-users).

[Technical details and limitations](https://simplex.chat/blog/20220723-simplex-chat-v3.1-tor-groups-efficiency.html#privacy-technical-details-and-limitations).

[How SimpleX is different from Session, Matrix, …

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