A People’s Daily opinion piece urged Nvidia Corp to prove the safety of its products a day after the US semiconductor giant denied the existence of alleged back-door features in its China-tailored H20 chip. The article, entitled “How can we trust you, Nvidia”, called on the US company to “comply with requests and provide convincing proof of security” to help regain the trust of its Chinese customers. “Guarding network security is as important as protecting national territory,” the article said,...