WhatsApp recently introduced a feature called Chat Lock that allows users to keep certain conversations more private. With this tool, you can lock any conversation you want. The mentioned feature places your chats in a dedicated folder that will only be accessible through biometric sensors such as fingerprint and face recognition or password. This tool also hides notifications from locked chats.
Using WhatsApp Chat Lock seems easy. For this purpose, you need to tap on the desired chat name and select the Lock option. To access your locked conversations, you can use a password or a biometric scan such as a fingerprint. WhatsApp says this feature is very practical and useful for people who share their phone with family members.