This allows users to make an informed decision about the app's security. The program is transparent, allowing anyone to review and verify the source code, protocol, and API. The team is constantly collaborating with the community to enhance the security of their protocol and clients.

It utilizes the MTProto protocol, which is built on well-established algorithms to ensure security while maintaining high-speed delivery and reliability on weak connections. The app is considered to be more secure than mass market messaging apps like WhatsApp and Line. It offers features that are particularly useful for business users and small teams, such as large group capacity, usernames, desktop applications, and robust file sharing options. Telegram is the ideal messaging and calling app for anyone in need of speed and reliability. Additionally, we offer end-to-end encrypted voice and video calls, as well as voice chats in groups for thousands of participants. Essentially, The app is like a combination of SMS and email and can handle all of your personal or business messaging needs. You can message your phone contacts and find people by their usernames. With the app, you can send messages, photos, videos, and files of any type (such as documents, zip files, mp3s, etc.), as well as create groups for up to 200,000 people or channels for broadcasting to an unlimited audience. It has over 700 million monthly active users and is one of the top 10 most downloaded apps in the world. You can access Telegram on all of your devices simultaneously, and your messages will seamlessly sync across all of them. It's fast, easy to use, and completely free. Telegram is a messaging app that prioritizes speed and security.

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