The head of the messaging app Signal has warned that it will quit the UK if the forthcoming online safety bill weakens end-to-end encryption.Signal’s president said the organisation would “absolutely, 100% walk” if the legislation undermined its encryption service.Asked by the BBC if the bill could jeopardise Signal’s ability to operate in the UK, Meredith Whittaker said: “It could, and we would absolutely 100% walk rather than ever undermine the trust that people place in us to provide a truly private means of communication. We have never weakened our privacy promises, and we never would.”