Korea Trade Information & Communication is providing various services to facilitate the use of electronic registration by financial institutions and to support computerization of registration work by legal representatives.This [Electronic Signature Bank K] application is operated so that KB Kookmin Bank customers who have access to [KB Star Banking] can proceed with the electronic signature required for real estate mortgage loans on their smartphone.How to use [Digital Signature Bank K]1. Pre-installation of KB Star Banking and Electronic Signature Bank K application2. In the [KB Star Banking] application, log in with a joint certificate (formerly certified certificate) and go to "Loan>Status>Collateral Loan Electronic Signature".3. [KB Star Banking] If you click the electronic signature in the mortgage electronic signature, this application is driven.4. After running this [Digital Signature Bank K] application, log in with a joint certificate registered with KB Kookmin Bank (formerly public certificate).5. If you check the registered documents (setting contract, power of attorney) and digitally sign a joint certificate (formerly public certificate), you can confirm the completion of the signature.6. After completing the digital signature, select [Return to KB Star Banking].7. [KB Star Banking] You can view the results of the electronic signature in the application.※ If the collateral provider is a corporation, you cannot use this application.[Digital Signature Bank] How to use-Phone number: 02-6000-2155-Hours of use: 09:00~18:00 on weekdays, closed on public holidays