What Is Collateral in Crypto? A Simple Beginner's Guide
In crypto, collateral is an asset you pledge when borrowing money or opening a position. This guide explains why it is needed and how overcollateralization relates to liquidation.
What Is Collateral?
Collateral is an asset deposited in advance to back a loan or trading position. It follows the same principle as borrowing from a bank against a house. If the borrower cannot repay, the pledged asset covers the loss, giving the lender confidence to provide funds.
In crypto, collateral is mainly used for DeFi, or decentralized-finance, loans and leveraged trading. Common collateral assets include Bitcoin, Ethereum, and stablecoins.
What Is Overcollateralization?
A major feature of crypto lending is overcollateralization: pledging assets worth more than the amount borrowed. Because prices are volatile, this creates a buffer so the lender avoids losses even if the collateral's value falls.
You pledge KRW 2 million worth of Ethereum and borrow KRW 1 million in stablecoins. The collateral ratio is 200%. Even if Ethereum falls somewhat, the KRW 1 million loan remains protected.
| Term | Meaning |
|---|---|
| Collateral | An asset pledged when borrowing or opening a position |
| Collateral ratio | Collateral value ÷ borrowed amount; a higher ratio offers more protection |
| Overcollateralization | Collateral worth more than the amount borrowed |
How Collateral Connects to Liquidation
If the collateral asset's price falls, the collateral ratio falls too. Crossing the specified threshold, or liquidation price, triggers liquidation: the forced sale of collateral to recover the loan.
- Collateral price falls → The collateral ratio decreases
- The threshold is crossed → Liquidation occurs
- Result → Some or all collateral is lost
Before pledging collateral, check how far the price can fall before liquidation. Maintain a generous buffer or reserve the ability to deposit more.
What Beginners Should Remember
- Collateral is your asset that can normally be returned, but liquidation can take it away if prices fall.
- The more volatile the collateral asset, the greater the liquidation risk.
- Always maintain ample collateral relative to the borrowed amount.
Crypto assets are highly volatile and carry a risk of losing principal. Collateralized loans and leverage can magnify losses quickly, so understand the structure thoroughly before approaching them. This article is for information and is not an investment recommendation. All decisions and responsibility remain your own.
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