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The Mynatrust Electronic Signature App is a tool used in conjunction with the cloud-based electronic signature service separately provided by the Company. This service utilizes My Number Cards for user identity verification and electronic signatures.Users registered in advance on the cloud service side are eligible for use.The user clicks on the link in the received e-mail for identity verification, follows the instructions of this application that is automatically started, holds the My Number card over the smartphone, and enters the necessary information (password for assisting entry of information on the face of the card, etc.). increase.Acquire the face information of the My Number card and match it with the pre-registered personal information to authenticate the person.Electronic signatures are performed at web conferences or face-to-face conferences, but the acquired ticket information will be used when logging in to the conference.At the meeting, after viewing and confirming the electronic document to be signed, the two-dimensional barcode displayed on the PC screen is read with the camera function of the smartphone, and the electronic certificate for the signature of the My Number Card is issued while cooperating with the cloud service. to sign the document.When using this service, please prepare your My Number card and the password (PIN for electronic certificate for signature and PIN for supplementary input on the face of the card) that you set yourself at the reception desk of the municipality when you received the card.This application handles the face information stored in the IC chip of the My Number card and the electronic certificate for signature, but does not use the My Number.The cloud service that uses this application is gradually expanding its scope, including services for important matters in real estate transactions, sales contracts, and registration.[Main functions of the app]▼ Barcode reader and NFC reading function for identity verification・Click the link in the e-mail for identity verification sent to the user who has been registered in advance on the cloud service side, and follow the instructions of the automatically launched app, using the smartphones NFC reading function, Read the face information stored in the IC chip of the My Number card. When scanning, it is necessary to enter a password (4 digits) for assisting entry of information on the card, card expiration date, security code, and select the era notation of the date of birth.If the input items match those embedded in the IC card, basic information on the face of the card and the portrait image are read.・Pre-registration for using cloud services and logging in to the cloud service usage environment can be done easily and safely.▼ Barcode reader and NFC reading function for signing electronic documents・Read the two-dimensional barcode displayed by pressing the “signature” button of the electronic document displayed on the PC screen by the cloud service with the camera function according to the menu of this smartphone app, and use the NFC reading function of the smartphone to read Enter the IC card information of the My Number Card and the electronic certificate PIN for signature entered by the user. After confirming the validity of the entered data by referring to the public personal authentication service, you can easily and safely apply your electronic signature in the PC environment.▼Note・In the cloud-based electronic signature service separately provided by our company, only those who sign electronically with their My Number card will use this application.・The face information and electronic certificate for signature stored in the My Number Card will be saved on our server.(Our company is authorized by the Minister of Internal Affairs and Communications to verify and store the above certificates as a public personal authentication service provider.)[For use]・Limited to smartphones equipped with NFC that support My Number cards.* The models that can be read are the models listed in the list of NFC smartphones compatible with My Number cards on the public personal authentication service portal site.https://www2.jpki.go.jp/prepare/pdf/nfclist.pdf·Available for free.(Communication charges for downloading and using the app will be borne by the user.)