E-Certify

Blockchain Based Certificate Validation

E-Certify : About

• It is a blockchain based project for online certificate validation.
• The major problem of counterfeit certificates can be tackled with the help of E-Certify, as it provides a solution to preserve the genuineness of a certificate.
• It works on the idea that: “Only the issuer can upload the certificate and the rest people can only view it.” The entire process works on the blockchain in partnership with the IPFS(to provide data security).
• Does Everything for Certificates : Storing ,Validating and Sharing .
• Thus this is a modern and hassle-free solution to manage certificates and verify them!
• This Project was made at SIH 2019

Insight

• It is D-App on Ethereum.
• Back-End has Smart Contract
• Front-end of our Web-App is made with React.Js and our complete frontend components are available at @gauravsharma-gs /dapper-ui (visit)
• All User-Data is stored on IPFS also every data is first encryted locally and then send to ipfs to have more security

• It create Multi-Sig Wallets for every student where both Student and his/her Institute is Owner.
• We are using Metamask Browser Extension to work with Ethereum.
• We have used Truffle for testing our project

How to Use

Login

• There are two ways to login
  • Login as Student
  • Login as Institute

• Upon First Signup Metamask will ask permission to connect your wallet with App.

• There is an additional security by using OTP for Signup .
• For Student
  -Student need to connect their account with their Institute by giving Institute Address Key .
• For Institute
  -Student will to connect their account with Institute.

Dashboard

Student Dashboard

• Student Dashboard have these options :

• My Documents

  • Students can upload their Certificates themselves but these certificates need to be verified by Institute side ,only then certificates will appear in my documents section.

• Give Access

  • Students can give access to any other institute/organisation to his/her certificates , access is only given for limited time (24hr)

• Change Institute

  • Students can request change of institute , this request is sent to current institute ,Upon approval students institute is changed.

Institute Dashboard

• Institute Dashboard have these options :

• Linked Accouts

  • In this section all student accounts linked to institute are shown.
  • Institute can students certificates from here.
  • Also institute can upload new certificates to students from here.

• Access Rights

  • It shows all the student accounts to whom institute has access ,to see their certificates.

• Pending Approvals

  • Student requests for certificates approvals appear here .

• Change Institute Approvals

  • Student requests for change of institute appear here .

Installation

For Development

• We are using Truffle for testing and development of this project.

• Also you need to have Metamask Browser Extension.

• For setting up Truffle (more detailed instruction are avalaible here )

• Steps :

  • Clone the repo

  $ git clone https://github.com/Chaiudbbhd/certchain-blockchain.git

  • Setup Truffle

    • Install truffle

    $ npm install -g truffle

    • Unbox React inside any Directory

    $ truffle unbox react

    • Inside that Directory
    • Now replace Contracts folder with Contracts folder present in Repo.
    • Also Copy Complete Repo content in to Client folder.
    • Run the development console

    $ truffle develop

    • Compile and migrate the smart contracts.

    compile

    migrate

    • In the client directory, we run the React app.

    // in another terminal (i.e. not in the truffle develop prompt)

    $ cd client

    $ npm run start

• Open http://localhost:3000 to view it in the browser.

• Import Account on Metamask with keys given by Truffle .

• Testing and Development can be done on these Accounts.

• Smart contract changes must be manually recompiled and migrated then only it will work.

---

Contributing

• We're are open to enhancements & bug-fixes.
• Feel free to add issues and submit patches.

License

This project is licensed under the MIT - see the LICENSE file for details.