mobile-internet
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LinkSure Network
LinkSure Network is the mobile-internet company behind WiFi Master Key (now WiFi Master, at wifi.com), a peer-to-peer app that lets people find and connect to shared Wi-Fi hotspots for free. Founded in 2013 in Shanghai by serial entrepreneur Chen Danian and later headquartered with an overseas base in Singapore, the app grew into one of the world's most-used utilities, reaching roughly 800-900 million users at its peak. LinkSure layers cloud security detection, encrypted tunnels and machine-learning risk scoring on top of the connection experience, and monetizes primarily through in-app advertising and content.
Lihua Zhu
Lihua Zhu is the CEO of WiFi Master Key at LinkSure Network, a Singapore-headquartered mobile internet company serving hundreds of millions of users globally with free, secure Wi-Fi connectivity. With a career spanning Princeton research labs, Microsoft engineering, Alibaba's DingTalk, and Momo Technology, Zhu brings a rare combination of deep academic research and large-scale operational execution to one of the world's most widely used connectivity apps.