![]() ![]() Last but not least, Session offers a really beautiful dark mode for its users. Session also inherits the same disappearing messages and lock system from Signal. Session supports open (public) groups, but they are handled very differently (you can find more information about them on the Session FAQ). Session groups are always closed (private), fully end-to-end encrypted and support up to 100 members. You can restore a Session ID on the computer, but then the mobile app stops working (and vice versa).Īs Signal, Session allows you to send text and voice messages, photos, videos and files, in one-to-one or group chats. And Session does not provide a way to backup contacts and messages yet (not even locally, as Signal does).Īlso, Session does not offer voice nor video calls at the moment.īut all of that (backup, voice and video calls) are planned features for the future.ĭuring my tests, I found that the same Session account cannot be used on multiple devices, as it is possible with Telegram and Signal. Contacts and messages are stored only locally, so they cannot be retrieved once lost. Unfortunately, the recovery phrase is only for restoring the Session ID. You can write your recovery phrase on a piece of paper, then store it in a safe location that only you have access to. It is a mnemonic seed which can be used to restore your existing Session ID to a new device. You can generate as many Session IDs as you want this way.īut if you want to keep your Session ID, as Session doesn’t have a central server storing information about your identity, you are responsible for backing up your recovery phrase yourself. Remember to tell your contacts that your Session ID has changed. in the case where there are people sending you unwanted messages), just erase the app’s data and generate a new Session ID. In case you want to stop using your current Session ID (e.g. Please note that a disadvantage of the onion routing is that it may add a small delay to sending/receiving messages. That also ensures that a server which receives a message never knows the IP address of the sender. This way, no single node ever knows both the destination and origin of the message. Each node “unwraps” (decrypts) a layer of encryption. Onion networks encrypt messages with multiple layers of encryption, then send them through a number of nodes. An onion routing network is a network of nodes over which users can send anonymous encrypted messages. Session uses the Lokinet onion routing network to send messages securely and anonymously. At least in theory, anyone can run a service node and earn Oxen for that.ĭifferent from other more common messengers, such as WhatsApp, Signal or Telegram, which have centralised servers, Session servers are decentralized: they are the Lokinet’s service nodes. Besides Session for private messaging, this foundation is also responsible for Lokinet, a Tor-like decentralized onion routing network for private browsing, and Oxen, the cryptocurrency that economically incentivises the service nodes that make up the Lokinet. Session is a project of the Oxen Privacy Tech Foundation (OPTF, previously named Loki Foundation), an Australia-based not-for-profit organisation that supports the development of free and open-source software that protects privacy and security in the digital world. You can also copy and paste the Session ID of each other. To make things easier, Session provides a QR Code you can show each other to scan. Make sure you and your contact exchange Session IDs personally or using a secondary channel of communication both of you trust. One challenge with truly anonymous communication systems like Session is that you do need to verify the identity of the person you’re talking to. On Session, you add contacts via their Session ID. On WhatsApp, Signal or Telegram, you add contacts via their phone number. No need to pass your phone number on to others. It’s a large hexadecimal number that acts as an address people can use to contact you on Session. When you use Session for the first time, just choose to create an account and it will generate a random (unique) Session ID for you. The Session app does not collect or share your information. Session never knows who you are, who you’re talking to, or the contents of your messages. Just for you to have an idea of how it is serious, Session’s privacy policy starts like this: That means no data breaches, as there’s nothing to leak. Also, every message between Session users is end-to-end encrypted - a feature inherited from Signal. While Signal collects almost no user metadata, Session does not collect any user metadata at all. Different from other more common instant messengers, Session does not require any personal information, such as a phone number or email address, to register and start using its service. Session is a messaging app forked from Signal that takes privacy a step further. ![]()
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