As an innovative digital signature technology of “key splitting and cooperative computing,” mobile phone shield combines with intelligent terminals to realize media-free application, which ensures the security of users’ private key. Mobile phone shield supports biological recognition such as face and fingerprint, and is compatible with mainstream operating systems such as IOS and Android. It can provide more secure, convenient and efficient digital signature services for enterprises and individuals, realize mobile and online business scenarios, and reduce signature time and cost. Mobile phone shield can be applied to document signature, contract signature, financial signature, legal signature and other signature scenarios, as well as in e-government, smart healthcare, public resources trading, Internet finance and other industries.
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