You can control which chats the bot is able to access – like excluding chats with your contacts or only responding to new chats.
Developers can enable Business Mode in @BotFather to integrate their bots with Telegram Business.
BY Telegram Tips
Telegram is a cloud-based instant messaging service that has been making rounds as a popular option for those who wish to keep their messages secure. Telegram boasts a collection of different features, but it’s best known for its ability to secure messages and media by encrypting them during transit; this prevents third-parties from snooping on messages easily. Let’s take a look at what Telegram can do and why you might want to use it.
Telegram Tips from ye