GranX Chain is a blockchain-based global financial platform. GranX provides biometric-identification-based identity authentication services. Biometric-identification-based IDs are IDs generated based on the user's own biometric information, which ensures the only uniqueness to prove me (user) and the safety of managing information assets and approving various transactions with high security. Granc Blockchain Platform (G-Chain), with GU-ID as a medium, provides authentication services to numerous external platforms. For authentication and use of external services (membership and login, personal authentication, payment, financial services, etc.), the service provider requests identification using GU-ID, which is provided with GU-ID to verify and identify authentication values corresponding to G-Chain. The G-Chain records authentication details and its result on the blockchain so as to ensure a reliable and transparent certification system and allows checking of authentication records based on GU-ID's information. The platform records authentication result details and does not record personal information.The GU-ID is unique and is not restricted to any type of region, country, or service as it authenticates using its own independent identification values.

Services that GranX Chain suggests:

ID authentication service based on biometric information. GranX provides Biometric-identification-based ID authentication services. GU-ID has the uniqueness to prove yourself (user) and provides high security to ensure safe information asset management and financial transactions (payment services)
GU-ID-based payment service. GranCard provides blockchain payment services using GU-ID and GP-ID created using GranCard as a medium for generating and storing GU-IDs, It provides a standard payment service interface for more convenient daily payment service access. (Credit card and transportation card payment, etc.)
Daily life services. Using GranCard and GU-ID, users can conveniently use daily services such as online, offline authentication and payment services, membership subscriptions, and simple log-in from the private service area. Vouchers, local currency, and public ID in the public service area Services, etc. are available.

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