The Signal app, which encrypts conversations, is no longer available in mainland China from March 15.
Encrypted messaging app Signal appears to be blocked in China – cnbc.com
The messaging app, however, still worked when used with a VPN. A VPN or virtual private network allows users to protect privacy and circumvent internet restrictions by connecting to servers around the world. Signal being blocked in China highlights the increasing internet censorship in the world’s second-largest economy.
Link: Encrypted messaging app Signal appears to be blocked in China
via www.cnbc.com
