In May 2016, critics disputed promises by Telegram that it is "safer than mass industry messengers like WhatsApp and Line",[seventy seven] as WhatsApp claims to use close-to-end encryption to all of its traffic by default and uses the Sign Protocol, which has been "reviewed and endorsed by primary safety experts", https://telegramchinese38158.ziblogs.com/28646078/details-fiction-and-telegram-in-android-download