Well, when it's come to security and protection all the online social media mammoths used to step for their users. So Facebook messenger is additionally taking after the same convention and testing out the encryption of instant messages. Facebook is not scrambling the whole message but rather will keep them disappear from inquisitive eyes. Be that as it may, this secret discussion will have some constraint as it won't support the GIF or recordings and can be perused just on one device. The test is kept constrained as of now, however, soon this element will take off for all users.
As it became one of the essential features for all the messaging apps and makes the users feel safe and secure in the social world. Facebook also adopted the end to end encryption n technology, be it the disappearing messages or the normal text messages.