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What is crypto lending and how does it work?

Crypto lending and borrowing has revolutionized the financial landscape by enabling individuals to lend their digital assets and earn interest from them, while borrowers can leverage their existing holdings as collateral to access loans.

These activities occur through decentralized platforms that utilize smart contracts on blockchain networks, eliminating the need for intermediaries. In this decentralized and transparent environment, crypto lending and borrowing offer individuals passive earning opportunities and provide borrowers with liquidity, all in a seamless and efficient manner.

In this article, we'll cover how decentralized lending works, so you can make the most out of OKX DeFi and the growth opportunities provided by decentralized finance.

TL;DR

  • Crypto lending is a service that allows users to lend out their deposited crypto assets in exchange for regular periodic gains.

  • For crypto borrowers, they can start the process by using existing crypto holdings as collateral and then rely on smart contracts to facilitate the borrowing.

  • Thanks to the decentralized process, no intermediaries are involved. This promotes greater transparency and efficiency.

  • Individuals familiar with the crypto lending process can earn passive gains or access liquidity through crypto lending and borrowing.

  • Popular crypto lending and borrowing platforms include OKX, Aave, Compound, and Venus.

What is crypto lending?

Crypto lending is a service that allows individuals to lend and borrow cryptocurrencies. It’s a concept that’s gained popularity due to the growing demand for increased liquidity in the crypto space and the potential for additional yields compared to HODLing.

Lending, borrowing, selling

The advantage of borrowing over selling is that you can get working capital without selling current assets or closing your position. This allows you to maximize the potential gains from a position. For example, if someone holds a significant amount of ETH and believes in its long-term value, they may choose to keep their position open to capture potential increases in value.

They can lock their ETH as collateral and borrow against it, obtaining working capital in the form of stablecoins or other tokens. This way, they can benefit from the potential appreciation of ETH while simultaneously gaining access to liquidity for other needs or trades.

How does DeFi lending and borrowing work?

In DeFi, geography, credit history or identity don’t matter. The most powerful thing about crypto lending is that any individual can, without intermediaries, take out a loan. Through the creation of money markets, lending and borrowing in crypto becomes a use case, allowing individuals to put their crypto to work to earn interest, beyond letting it sit in their wallets.

DeFi lending and borrowing operate through decentralized platforms and smart contracts on blockchain networks.

Here's a simplified overview of how it works:

1. Deposit for collateral

A user interested in lending or borrowing begins by depositing their digital assets, typically cryptocurrencies, into a lending platform. These assets act as collateral for borrowing or become available for lending.

2. Borrowing

Borrowers can request a loan by specifying the desired amount and the type of collateral they're willing to provide. The lending platform matches borrowers with lenders based on their requirements and loan terms.

3. Collateral locking

To secure the loan, borrowers lock up their chosen collateral, which is held in smart contracts as a form of guarantee. The collateral's value determines the maximum loan amount a borrower can receive.

4. Loan approval

Once the collateral is locked, the smart contract automatically verifies and approves the loan, provided that the borrower's collateral meets the required criteria.

5. Loan disbursement

After approval, the borrowed funds are transferred to the borrower's account. The funds are typically in the form of cryptocurrencies or stablecoins.

6. Loan repayment

Borrowers are expected to repay the loan within a specified timeframe, along with any accrued interest or fees. Failure to repay can result in liquidation of the collateral.

Interest and rewards

Lenders earn interest on their deposited assets, which is determined by factors like the demand for loans and the lending platform's policies. Additionally, some platforms offer rewards or incentives to lenders as a means of encouraging participation.

Smart contract automation

DeFi platforms, like other DApps built on Ethereum, rely on the power of smart contracts to facilitate lending and borrowing activities. Smart contracts are responsible for the automation of loan terms, collateral locking, interest calculations, and repayment schedules. This automation ensures transparency, eliminates the need for intermediaries, and reduces the potential for human error.

A practical example: Aave

According to the project's official documents, Aave is a decentralized non-custodial liquidity market protocol where users can participate as suppliers or borrowers. Suppliers provide liquidity to the market to earn passively, while borrowers are able to borrow in an overcollateralized (perpetually) or undercollateralized (one-block liquidity) fashion.

A protocol is a program that runs autonomously with a shared set of logic. What it means to be non-custodial is that the platform doesn't own the assets, and autonomous code locks up the money and moves it by its logic. Meanwhile, permission from a human isn't needed to lend, borrow, or withdraw assets.

With Aave's governance as a DeFi protocol, if you have the AAVE token, you're able to vote on proposals to improve the Aave protocol and how it works.

How do lending, deposits, and borrowing work on Aave

Aave aggregates funds that are lent into liquidity pools of the different tokens, which are all smart contracts. Aave uses annual interest rates in the form of APY (Annual Percentage Yield) which gives interest on both the principal and the accrued interest on this principal. With every Ethereum block that passes, interest is accrued.

The smart contract code is audited by third parties, and is open source, with the liquidity pool details verifiable by everyone, unlike the centralized, custodial lending versions of Aave such as Celsius and BlockFi. Interest rates for each pool are determined by algorithms based on that specific token's supply and demand in the ecosystem. Even comparing different stablecoins like USDC and USDT, the interest rates may be different.

Interest rates are low when liquidity is high and there's not much need to incentivize users to supply liquidity to AAVE. Interest rates are high when liquidity is low and lending and repayment needs to be incentivized.

Lending

Lending money to the Aave protocol pools allows a user to earn interest, while allowing others to borrow it. Aave's lending has variable interest rates which adapt in real-time. Lenders are able to withdraw from Aave at any time, without waiting for a loan to mature to withdraw their assets.

Lenders will receive aTokens, such as USDC or USDT, which represent the interest accrued, and can be used for other platforms. If an aToken is transferred to another wallet, that wallet accrues the interest. Lenders earn on their deposits through the interest rate, as well as fees from flash loans.

The interest rate, which is the borrowers' payment for their loans, is related to the borrow rate multiplied by the utilization rate, measuring how much is borrowed from the protocol. If the utilization rate is high, the APY would be higher for lenders, since the protocol is incentivized to attract liquidity. Fees from flash loans are a concept created by Aave where lenders and holders of aTokens can receive a revenue share of about 0.09% of the flash loan volume.

Borrowing

Borrowing money from the Aave protocol pools allows a user to use this money on other platforms instantly starting for as short a time as one block, while paying interest on it. Since Aave is a protocol, the advantage is that there's no intermediary negotiation for a loan's maturity date.

The longer the loan is for, the more interest is accrued. Aave borrowing has stable and variable interest rates, and users can switch between Aave collateral-based lending, so users must supply more assets (overcollateralization) to borrow lower than what they supplied from the Aave protocol.

Overcollateralization is protection against aggressive price swings. The loan-to-value (LTV) percentage adapts to market conditions and is the maximum amount of money a user is allowed to borrow based on their collateral. For example, if the LTV for USDC is 85%, then if a user deposits $1,000 USDC, they can borrow $850 of any other token.

Health factor

Aave uses a health factor to represent the safety of assets from liquidation. The higher the health factor, the safer the assets are from liquidation. When the health factor is below 1, the collateral of the borrower doesn't cover their loan debt value, leading to liquidation on Aave. This happens when the borrower's collateral tokens have crashed in value or the tokens borrowed have increased in price. To prevent liquidation, overcollateralization by supplying more collateral assets is important. By keeping the health factor over 2 to be safer from liquidation, a user can also repay part of the loan to increase the health factor.

How can I get started with DeFi?

With OKX DeFi, you can access dozens of lending protocols like Aave, Compound, and Venus all from inside the OKX Wallet. To get started, download the OKX app, switch to wallet, and head over to the Earn tab at the bottom of the screen.

You'll notice there's a search tab at the top of the screen where you can search for staking opportunities based on asset or protocol.

Checking out OKX Loan

Enticed by our Flexible Loans that offer instant approvals with APRs as low as 1%? Check out OKX Loan, where we offer a diverse selection of collateral loan options and give you the freedom to repay at any time without incurring late fees. Find out more about how the borrowing mechanism works with our OKX Loan guide.

Final words and next steps

Given the popularity of crypto lending platforms like Aave and Compound Finance, it's safe to say crypto lending and borrowing have emerged as a transformative force within the DeFi space. By leveraging blockchain technology and smart contracts, these activities offer individuals unprecedented control over their financial assets and activities. Through decentralized platforms, users can lend their digital assets to earn interest or borrow funds by providing collateral. This eliminates the need for intermediaries, ensuring transparency, efficiency, and accessibility.

Keen to explore your options when it comes to crypto lending and borrowing? Check out these best crypto lending platforms that feature attractive gains and LTV ratios. Alternatively, you can also learn more about crypto lending by reading our detailed guides to platforms like Goldfinch Protocol and Compound Finance.

Disclaimer:

THIS ARTICLE IS PROVIDED FOR INFORMATIONAL PURPOSES ONLY. IT IS NOT INTENDED TO PROVIDE ANY INVESTMENT, TAX, OR LEGAL ADVICE, NOR SHOULD IT BE CONSIDERED AN OFFER TO PURCHASE OR SELL OR HOLD DIGITAL ASSETS. DIGITAL ASSET HOLDINGS, INCLUDING STABLECOINS, INVOLVE A HIGH DEGREE OF RISK, CAN FLUCTUATE GREATLY, AND CAN EVEN BECOME WORTHLESS. YOU SHOULD CAREFULLY CONSIDER WHETHER TRADING OR HOLDING DIGITAL ASSETS IS SUITABLE FOR YOU IN LIGHT OF YOUR FINANCIAL CONDITION. PLEASE CONSULT YOUR LEGAL/TAX/INVESTMENT PROFESSIONAL FOR QUESTIONS ABOUT YOUR SPECIFIC CIRCUMSTANCES.

FAQs

What is crypto lending?

Crypto lending is a DeFi practice where individuals can loan their digital assets to others in exchange for yield. Borrowers can then obtain additional liquidity after pledging their own assets as collateral.

How does crypto lending work?

Crypto lending platforms use smart contracts on blockchain networks to facilitate transactions. Lenders deposit their digital assets into a lending pool, and borrowers can access these funds by providing their own assets as collateral. The smart contract automatically enforces loan terms, interest calculations, and repayment schedules.

What are the benefits of crypto lending?

With benefits ranging from passive yield and extra liquidity in the DeFi ecosystem to greater decentralization and accessibility, crypto lending is an attractive DeFi practice that's welcomed by many DeFi natives.

What types of crypto assets can I lend?

Most crypto lending platforms support a variety of popular cryptocurrencies, including Bitcoin, Ether, and stablecoins.

How do interest rates work in crypto lending?

Interest rates in crypto lending are often determined by market supply and demand. Higher demand for loans can lead to higher interest rates. Additionally, the risk associated with the collateral asset can also influence interest rates.

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