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Okey Co


Okey Co is a Beijing-based startup that has developed an innovative “universal digital key” which combines NFC reader capabilities, contactless card emulation, user authentication and Bluetooth pairing in a compact, standalone 38mm fob.

The Okey is designed to provide the user with a single, compact trusted device that makes their lives both safer and easier and opens up a wide range of potential use cases and business models, from payments to transit ticketing, employee ID, hotel room key, loyalty rewards and more.

Meet the Okey!

Four Okey devices

At just 38mm square, Okey can be used as an NFC reader, as a digital key, for user ID and to emulate contactless payment, transit and access control cards.

Find out more about the Okey in a 25-page presentation now available to download from the NFC World Knowledge Centre.

Ask the experts…

Executives from Okey are on the NFC World Expert Panel and are ready to answer your questions:

Jin Lin • Chief Technology Officer

Okey Co CTO Jin LinJin Lin is the chief technology officer at Okey Co. Jin is a computer science and technology graduate of Beijing Information Science and Technology University with expertise across the NFC payments ecosystem.

Areas of specialism include , and . Ask a question here.

Find out more


Okey in NFC World