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KR20200018069A
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Method and system for secure payment of blockchain using intermediate node
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KR20190140144A
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A secure and efficient blockchain service based on a untrusted blockchain arbitration server
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KR20190065524A
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Securing the network access of local devices by using TPM
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KR20180138298A
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A donation system where the customer voluntarily helps the shop donate
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KR20180069217A
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One-touch Donation System and Method using printed QR code materials and a Mobile Device
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KR20180059669A
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One-touch Donation System and Method using NFC tags and a Mobile Device
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KR20180057041A
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One-touch Donation System and Method using NFC tags and a Mobile Device
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KR20180052875A
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The one-touch donation system and methodology baesd on a mobile device and NFC technique
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KR20180003093A
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Biometric card authenticating the user by using cancellable biometrics
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KR20170053893A
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Mobile authentication method using near field communication technology
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KR20170022039A
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Mobile authentication and/or moile payment method using near wireless communication with host computer
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KR20170014522A
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Portable finger vein reader and biometric authentication method thereof
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