Messaging app Signal became unusable for many people in mainland China this week, stifling one of the last widely used messaging apps that could send and receive encrypted messages in the country without a virtual private network. The government’s apparent move to block Signal intensifies its hold on public and private discourse in China, where many social-media and messaging apps, including Facebook, Twitter and, most recently, the popular social-audio platform Clubhouse, have been banned.
Read the article: The Wall Street Journal
