DeCAT: Decentralized Certification Authority

Logo
Home page
Portfolio
qrcode generation and verification
Statistical insights on portfolio
Current market availability for particular technology
Real time user score based on his certificates
reputation chart
System Design aligned to India Stack API's

Inspiration

Aim: To enable individuals to build their own reputation onchain and also help hiring managers to shortlist or select candidates via the EIP5192 Tokens.
Key Challenges: 1.Opaque Certifications: Traditional certifications lack transparency, making it challenging for employers to verify the authenticity of a candidate's skills. 2.Centralized Reputation Systems: Current reputation systems are often centralized, limiting their reliability and hindering individuals from accurately showcasing their expertise. 3.Trust Deficit: The absence of a decentralized and standardized approach to identity verification leads to a trust deficit between employers and candidates.

We are a B2B SaaS Platform which caters to educational institutions, professional bodies, HR departments, and individuals, offering a secure and reliable system for managing and showcasing achievements, ultimately impacting millions of learners and professionals.

What it does

DeCAT aims to revolutionize credential management by leveraging Soulbound(Non transferrable NFT's) NFTs on Layer-2 Network(Polygon). This will address issues like forgery, duplication, and lack of trust in traditional certificates. The platform offers:

Unparalleled security: Soulbound NFTs ensure authenticity and uniqueness of achievements.
Decentralized efficiency: L2 network promotes scalability and bulk minting via Multi batch transaction.
Immutable records: Blockchain guarantees tamper-proof evidence of accomplishments.
Enhanced trust and transparency: Verifiable credentials using QR codes improves the hiring and recruitment processes. 1.Soul Bound Tokens (SBTs): Introducing SBTs, which are minted by whitelisted organizations, provides a tamper-proof representation of an individual's certifications. This ensures transparency and authenticity in the skills showcased by candidates. 2.Endorsements: By allowing users with SBTs to endorse others, we create a peer-driven endorsement system. This not only fosters a trust-based ecosystem but also adds an additional layer of validation to a user's skills. 3.Dynamic Reputation System: The reputation score, calculated dynamically based on the number of SBTs received and endorsements given and received, serves as a comprehensive proof of an individual's proficiency. This decentralized reputation system brings reliability and fairness to the assessment of an individual's capabilities.

How we built it

Organization can send ERC5192 compatible tokens to peers wallet address whitelisted Organization's can perform single mint by adding metadata or Bulk minting which supports multi batch transaction by just importing a .csv file.
Users who hold the DeCAT, also access the reputation score so as to attain visibility and helps give an edge in the job market.
Hiring managers can view the portfolio of individual users by entering the wallet address or just look at the reputation score of every account that has DeCAT in their account and gain a deeper insight on that particular user

Challenges we ran into

Whitelisted Organization Onboarding: How to actually authenticate Organizations. We tried to solve this problem using whitelisting organization addresses in the smart contract (providing passwords to each) and then login .Onboarding whitelisted organizations and ensuring a smooth process for them to mint SBTs. Providing user-friendly interfaces and documentation will be crucial to encourage organizations to participate.
SBT Sending a single certificate as SBT is a time consuming process and not gas efficient. We implemented multi batch transactions to solve this problem. Also provide a way to extract data from a csv file which contains addresses and the certificate metadata to ease the process of sending bulk certificates at once.

Accomplishments that we're proud of

How to incentivise users Just being able to showcase Skills as SBTs is not enough, how do we actually get the users to interact with the platform. Allow users to endorse other users based on their skills. Mint another endorsement SBT with same metadata
Reputation We need to make the website even more interactive for users. The Reputation Score incentivizes users to seek endorsements and showcase their skills. Peer-driven endorsements, represented by SBTs, add an extra layer of credibility to an individual's profile, fostering a trust-based ecosystem. Users with higher Reputation Scores gain a competitive edge in the job market. Employers are more likely to prioritize candidates with proven expertise and a strong reputation, contributing to career advancement opportunities

What we learned

Building Autonomous AI agents for scraping the world wide web to fetch current market trends
Using web3 as a knowledge base for our LLM models (gemini pro in our case)
Embedding web3 data into a qrcode and verifying it off-chain using FastAPI