Technical

No caller ID: Calls on Session

November 18, 2021

Voice and video calls have been Session’s most requested feature ever since we launched. Here's what to expect when voice calls are released on Session.

Session has features like automatically deleting messages and message time to live. Self-destructing messages help preserve your privacy when you're messaging.

Deleting messages and time-to-live: This message will self-destruct in…

September 06, 2021

Digital conversations are fundamentally different to real-world conversations. When you have a conversation over text, you’re creating a record. The record you create will persist long into the future, and it can quickly paint a high fidelity picture about your life.

Session code audit: Technical report published by Quarkslab

Session code audit: Technical report published by Quarkslab

April 29, 2021

A Session code audit for the Android, iOS, and Desktop versions of Session been completed by the cybersecurity research company Quarkslab.

Trust on first use: The Achilles heel of centralised messengers

Trust on first use: The Achilles heel of centralised messengers

April 07, 2021

When you first send a message on a new app, you’re trusting that service to send your message to the right person without compromising its integrity or privacy. How can we remove that trust?

Session Protocol: Technical implementation details

Session Protocol: Technical implementation details

December 15, 2020

Read up on the technical information behind the new Session Protocol, and our plans for rolling it out.

Verifying software downloads on Linux, Windows, and macOS

Verifying software downloads on Linux, Windows, and macOS

April 09, 2020

Don’t care what’s behind the scenes? Skip straight to software verification tutorials for macOS, Linux, and Windows. Back in the day, software used to arrive in the form of floppy discs, MiniDiscs, and CD-ROMs. But now, it’s all about the download. Everything is downloaded: the apps you use to keep in touch with your family, …

Sybil disobedience: How Session protects your anonymity using blockchain and crypto tech

Sybil disobedience: How Session protects your anonymity using blockchain and crypto tech

February 26, 2020

Session bucks the trend of blockchain vaporware with a real, usable product built on blockchain. Learn how blockchain and crypto power Session’s backend.

Community spirit: How to contribute to Session’s development

Community spirit: How to contribute to Session’s development

February 17, 2020

Session is open-source, and open-source software means community collaboration. Read about all the ways you can contribute to Session’s development.

Onion requests: Session’s new message routing solution

Onion requests: Session’s new message routing solution

January 30, 2020

Shortly after launch, Session will be moving to a new onion routing system called onion requests. Read up on the tech, and the reasons behind the change.

Dev Diary: Creating a decentralised friend request system

Dev Diary: Creating a decentralised friend request system

January 16, 2020

Session is designed to be privacy first — decentralised servers, no phone numbers, the whole lot — but that creates some problems. Here’s how we solved one of them — friend requests.

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