The company already allows users to lock the app but not individual chats.
Additionally, it will prevent confidential and sensitive information from being leaked.
Besides the chats, it will also keep the users media files private.
However, there is a drawback to the Lock Chat feature in WhatsApp.
The upcoming new feature will be available for both individual and group chats.
Currently, it is unknown how this chat lock feature will be used.
source: www.techworm.net