Illustration: Nick Barclay / The Verge

Meta is rolling out end-to-end encryption for one-on-one chats and calls on Messenger, finally fulfilling a promise that’s been in the works for quite awhile. When end-to-end encryption is on, only you and the person you send a message to in Messenger can see its contents, the company claims.

Encrypted chats were first introduced as an opt-in feature in Messenger in 2016, but after a long windup, end-to-end encrypted messages and calls for conversations between two people will now be the standard going forward.

“This has taken years to deliver because we’ve taken our time to get this right,” Loredana Crisan, VP of Messenger, said in a statement shared with The Verge. “Our engineers, cryptographers, designers, policy experts and product…

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