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Telegram

https://telegram.org/

Terms of Service & Privacy Policy

• https://core.telegram.org/api/terms-of-use
• There are no specific TOS:

•  "In

• case you want a real Terms of Use, complete with lawyer-speak and all — we don't have that yet, sorry. But we may be adding it in the future".
• Privacy: https://telegram.org/privacy
• API interface TOS: https://core.telegram.org/api/terms-of-use

Evaluation

 (

03

Feb 2017)

• End to End ecryption is possible
• Versatile; Group discussions,Bots, Channels, Multimedia, File Transfer to 1,5Gt
• Open (mainly) Source (at least APIs)
• Auditing possilbe for Third Party
• Good documentation (esp. for Security Features)
• Compatible with other messaging apps, for example Slack and Irc
• Account can be removed by user (all data will be removed)
• Unused account will be deleted after 6 months afer last login, all data will be removed
• Data is stored to Cloud
• Phone app is mandatory to install
• Encryption is not on by default
• Uses own encryption protocol MTProto Mobile Protocol https://core.telegram.org/mtproto/description (which is well descripted ) but only some of Telegam´s clients uses it

Login

• Logging is done by full (international) phone number and password while installing Telegam Client. Account is verified by SMS.

Support

• https://telegram.org/support
• https://telegram.org/faq
• No TOS no full support

Provider

• Telegram Org (Pavel and Nikolai Durov).

Revenue

• Pavel Durov is financing Telegram for ideological reasons.

Similar services

• Signal, WhatsApp