China blocks encrypted messaging app Signal, Signal users in China reported issues sending or receiving messages, which went away when they used a virtual private network. Encrypted messaging app Signal blocked in China. Also services like Face-book, Google and Twitter have been blocked for years in China. Popular encrypted social media app Signal has become “unusable” for some in China, The Wall Street Journal reported Tuesday, suggesting that the app may have- been blocked in CHINA. Users in China said Tuesday that they could not get the app to connect without a virtual private network (VPN) service. Messages failed to send and calls did not goes on Tuesday The Chinese embassy in Washington, DC, pointed to comments Tuesday from Foreign Ministry spokesperson Zhao Lijian, who said he was not aware of Signal b...