Created on 6th October 2024
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The Decentralized Credit Scoring System (DCS) solves the problem of capital inefficiency and limited access to loans in the decentralized finance (DeFi) space by introducing a trustless, transparent credit scoring system. Here's how it addresses critical challenges:
In DeFi, users are typically required to provide collateral worth more than the loan they want to borrow (overcollateralization). This model excludes smaller players who lack sufficient capital to participate, thus limiting their ability to leverage DeFi lending protocols like Aave and Compound.
DCS allows users to borrow based on their on-chain credit score, which is calculated from their borrowing and repayment history across multiple DeFi platforms. By offering undercollateralized loans (loans that require less or no collateral), users with a strong credit history can access better lending terms. This makes DeFi more inclusive and capital-efficient, allowing more people to borrow without locking up excess capital.
In traditional finance, credit scores are managed by centralized entities that lack transparency, making it difficult for individuals to verify or improve their scores.
DCS leverages publicly available blockchain data to calculate credit scores based on objective, transparent criteria like loan repayment history, loan-to-collateral ratios, and frequency of borrowing. This ensures fairness and transparency in determining borrowing terms, as all credit-related data is verifiable on-chain.
Built on blockchain, DCS offers a trustless system where sensitive credit information is secured cryptographically. No third parties control the data, ensuring greater privacy and security for users
The main hurdle was dynamically calculating credit scores based on multiple variables such as repayment history, loan size, frequency, and duration. Ensuring these factors were correctly weighted and aggregated through a smart contract, while maintaining gas efficiency, was another complex task.
Integrating MetaMask for wallet connection and interacting with deployed smart contracts was another challenge, especially when handling changes in accounts or network switching by users. This led to inconsistencies in fetching credit scores and submitting loan requests.
Despite these challenges, these workarounds allowed me to demonstrate the core functionality of DCS. Moving forward, I plan to streamline these processes for a more seamless user experience.
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