Telegram adds self-destructing media, swanky CDN system

Bruno Cirelli
Luglio 24, 2017

The improvements in this version of Telegram don't stop there with large group chats (100K+ members) getting encrypted Content Distribution Network (CDN) to cache publicly available photos and videos.

With Telegram v4.2 update, the company says that users will be able to edit their photos quicker and in fewer steps than earlier. The new sticker keyboard can also be enlarged when needed.

You can now set a self-destruct timer for any photos and videos you share in private chats. The sender can pick and choose which pictures and videos need to be deleted after one viewing. Moving on to the disappearing media, the company said in its blog post, "If you set a timer, the countdown starts the moment your recipient opens the photo or video you sent".

In this update, you can also give people an idea about who you are before you begin chatting with an optional bio on your profile page too.

I think by now that all of you should know how much I like Telegram and respect it as a platform.

The 4.2 update also claims to have made a big bump up in terms of speed and performance as well as security.

Another innovation was the involvement of the CDN network (Content Delivery Network, content delivery network) for caching files transferred in public chat rooms and channels.

While these caching nodes are only used to temporarily store public media (image Telegram versions of superpopular YouTube hits), all data that goes through them is encrypted with a key unknown to the caching nodes.

All user data will pass through third party nodes, but will receive only packets of encrypted information, so they can not be viewed at the nodes, only by the senders and receivers.

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