Such is the security of this architecture, that it has prompted law enforcement agencies around the world to complain that they now cannot access a user’s messages, even with a warrant. There is no backdoor—the only option is to compromise one of the endpoints and access messages in their decrypted state.

As EFF has warned, “undermining free speech and privacy is not the way to protect children.”

“not only jeopardizes privacy and threatens the right to free expression, but also fails to effectively protect children from online exploitation.”