Have you heard of undercollateralized loans in DeFi? If not, let's explore what they are and how DeFi platforms are facilitating them. But first, let's take a quick stroll through the streets of Mesopotamia in 3000 BC. Back then, people used food as a way to pay their debts, and borrowers had to sell themselves and their families or do forced labor for up to three years if they defaulted. Fast forward to the 21st century, and decentralized lending and borrowing aim to remove barriers to accessing loans, but users still need to overcollateralize their positions. In this article, we'll explore undercollateralized loans and their different methods, including flash loans, third-party risk assessment, and crypto native credit scores.
Flash Loans:
Flash loans are uncollateralized loans where borrowing and repayment must both occur within the same transaction. This structure minimizes risk for both parties since borrowing and repayment must happen simultaneously for the transaction to process. In case of deviation, the transaction is reversed. Flash loans are popular with arbitrageurs looking to capitalize on price differences between two platforms quickly. However, they have limited application for conventional loans or serving the average borrower.Third-Party Risk Assessment:
Third-party risk assessment introduces a third group outside of lenders and borrowers to perform the role of credit assessment. All of this happens on-chain, and users who want to act as credit assessors must stake a certain amount of tokens to qualify. In case of default, the collateral that they staked will be first in line to be slashed. On the flip side, they get rewarded for successful loan repayments. This sets up a reasonable incentive structure that achieves what the solution is precisely after undercollateralization. This structure paves the way for an on-chain credit scoring system. However, the key challenge with this structure is bootstrapping a network of capable credit assessors with an appropriate level of borrower data, and introducing human-level checks also comes with human errors and time-consuming processes. Overlooking these drawbacks, borrowers get to access funds without collateralizing any assets, and they can build up their on-chain credit scores and trustworthiness, which should facilitate future on-chain lending and borrowing, even on other protocols.Crypto Native Credit Scores:
This type of undercollateralized loan aims to leverage the user's history on the blockchain to determine their repayment abilities. It's similar to how traditional banks use credit history to assess loan applications. For instance, a DeFi protocol may look into a user's historical on-chain activity ranging from loan repayment, yield farming, or trading activity, and this information could be used to construct a crypto credit profile. This profile is ideal for people who don't have traditional credit history but have been active in the DeFi space. However, creating a robust and reliable credit score system requires accurate and consistent data, which can be challenging to obtain in a decentralized system.Conclusion:
Undercollateralized loans in DeFi offer innovative solutions for accessing funds without having to overcollateralize your positions. Flash loans are ideal for niche purposes, while third-party risk assessment and crypto native credit scores provide more solutions for the average borrower. While there are challenges to overcome, such as bootstrapping a network of capable credit assessors and ensuring reliable data, the potential benefits of undercollateralized loans are enormous. As DeFi continues to evolve, we can expect to see more innovative solutions that democratize access to finance and transform the traditional financial system.
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