LinkSure Network (WiFi Master Key)
Connecting the world with free internet via WiFi Master Key
About
LinkSure Network (上海连尚网络科技有限公司) is a Shanghai-based mobile internet company founded in 2013 by Chen Danian. Its core product, WiFi Master Key (WiFi万能钥匙), enables users to share and connect to Wi-Fi networks using a sharing economy model. The company reached unicorn status in 2015 and rebranded its product to WiFi Master in 2019. It provides internet access in 220+ countries and serves hundreds of millions of users globally.