Telegram doesn't do end-to-end crypto by default, and uses home-baked crypto which has many weaknesses[1]. I like it as a platform (for their Bot API, Channels

Telegram doesn't do end-to-end crypto by default, and uses home-baked crypto which has many weaknesses[1]. I like it as a platform (for their Bot API, Channels and Groups), but I don't like their security mentality. [1]: https://eprint.iacr.org/2015/1177.pdf https://eprint.iacr.org/2015/1177.pdf