Facebook Messenger has started rolling out a new feature called “Secret conversations” that offers end-to-end encryption on  messages. These messages are will be end-to-end encrypted and which can only be accessed by the  person you are communicating with. Secret Conversations is built on Signal Protocol, a modern, open source, strong encryption protocol we developed for asynchronous messaging systems. While using secret conversations, You can even choose to set a timer to control the length of time each message you send remains visible within the Conversation. Whatsapp messenger, Which is also owned by Facebook  already offers End-to-end encryption of conversations since