How can you lock a chat on WhatsApp?

On Android and iPhone, you can turn on the chat lock feature to password protect your most personal chats. In order to read or send messages, you’ll need to unlock your chats using device authentication, such as your phone passcode, Face ID or fingerprint. These chats will be kept separate from your other chats in a Locked chats fold

WhatsApp rolled out the new Chat Lock feature for everyone and it is now visible on a user’s profile section. The new update lets anyone put a lock to specific WhatsApp chats, which no one will be able to check out. This feature would be helpful in times when you need to hand over the device to a stranger for some work and you don’t want that person to read your personal chats.

The new WhatsApp Chat Lock option also automatically hides the contents of the chat in notifications too, which means that your privacy is protected. The platform notifies about the new messages from locked chats by just saying you have a new message from a chat. But, when you open the app, you don’t see the new message because it is hidden in the Locked folder. Hence, your privacy is protected.