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Mastodon Eyes End-to-End Encryption for Private Chats
15 Apr
Summary
- Mastodon will implement end-to-end encryption for private messages.
- The feature is funded by a €614,000 grant from Germany's Sovereign Tech Fund.
- End-to-end encryption for messages is expected to be available by 2027.

Decentralized social media platform Mastodon has announced its intention to integrate end-to-end encryption (E2EE) for private messages, a move that promises to bolster user privacy. This initiative is being funded by a significant €614,000 grant from the Sovereign Tech Fund, a German government-backed program supporting open-source software.
The substantial funding will support several key projects for Mastodon, including the much-anticipated E2EE for private communications. Other funded initiatives include automated content detection to combat spam and the implementation of shared blocklists for server administrators. E2EE ensures that only the sender and recipient can access message content, shielding it from server providers and other third parties.
Mastodon plans to align its E2EE implementation with ongoing work by the Social Web Foundation on the ActivityPub standard, which is used by Mastodon and other Fediverse platforms. While the exact rollout is not expected until 2027, this development marks a significant step towards enhanced privacy for users of the platform.
The introduction of E2EE could increase Mastodon's appeal, though it may present challenges for server providers in moderating potentially illicit content.