공동인증서 발급·가져오기 - 공인인증서 금융인증서

국민복지알리미

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About this app

This is a certificate guide app that organizes everything in one place, from issuing joint certificates to importing them to mobile phones and PCs, financial certificates, and simplified authentication (private certificates).

If you have been confused about accredited certificates, joint certificates, financial certificates, and simplified authentication, check them easily with this single app.

✅ How to Issue a Joint Certificate

- Steps for issuing a Joint Certificate (formerly an Accredited Certificate) via bank apps or internet banking

- Differences and fees between Bank Transaction, Financial Investment, and General-purpose Joint Certificates

- Joint Certificate validity period, renewal, and reissuance methods

✅ Importing and Exporting Joint Certificates (Certificate Copy)

- How to import a Joint Certificate from a PC to a mobile phone

- How to export a Joint Certificate from a mobile phone to a PC

- This is the same function as the old 'Copy Accredited Certificate' feature

✅ Issuing a Financial Certificate

- Steps for issuing a Financial Certificate using a 6-digit numeric password

- Why no USB or copying is needed because it is stored in the cloud

- Validity period: 3 years, automatic renewal

✅ Simple Authentication (Private Certificate)

- What are Naver Certificate, Kakao Certificate, PASS, and Toss Certificate?

- Logging in to Government24 and Hometax using Simple Authentication

- Which certificate is best to use for year-end tax settlement?

✅ Frequently Asked Questions

- Are Accredited Certificates and Joint Certificates the same thing? - I forgot my joint certificate password

- Which certificate is the easiest for seniors?

We have organized the steps so that you can view the text clearly and follow along slowly.

This app was created using materials licensed under the Public Nuri Type 1 (attribution required, commercial use permitted, modification permitted) and is an application created by an individual. This app does not represent the government or any political institution.

[Disclaimer]

- This app does not represent the government or any government agency.

- This app was created by an individual to provide high-quality information and assumes no liability.

[Information Sources]

- Government24 Website (Joint Certificate Guide): https://www.gov.kr/nlogin/certInfo

- Korea Financial Payment Services YESKEY (Financial Certificate · Joint Certificate): https://www.yeskey.or.kr/

- National Tax Service Hometax: https://www.hometax.go.kr/

※ Note (Notice): In South Korea, official government websites use the domain ".go.kr, .kr", not ".gov".

What’s new

- 2026년 기준으로 공동인증서 발급, 가져오기·내보내기, 금융인증서, 간편인증 안내를 새로 정리했습니다
- 자주 묻는 질문 추가