Encryption Has Never Been More Essential—or Threatened

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Five years ago today, WhatsApp completed our roll out of end-to-end encryption, which provides people all over the world with the ability to communicate privately and securely. This was a technical achievement decades in the making, a vision first imagined by Stanford mathematicians Whit Diffie and Martin Hellman, who in 1975 developed the underlying cryptography we rely on today.
In the past five years, WhatsApp has securely delivered over 100 trillion messages to over 2 billion users. During the height of the global pandemic lockdown, end-to-end encryption protected people’s most personal thoughts when it was impossible to come together in person. 

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