Beginner's Guide to Borrowing Against Bitcoin

Why Borrow Against Bitcoin Instead of Selling?

You believe in Bitcoin's long-term value, but you need cash today. Maybe it is for a down payment, covering an unexpected expense, or seizing an investment opportunity. Selling your Bitcoin would give you the liquidity you need, but it would also mean:

• Giving up future upside — If Bitcoin's price rises after you sell, you miss out on those gains.
• Triggering a taxable event — In most jurisdictions, selling crypto generates capital gains taxes.
• Exiting your position — You worked hard to accumulate your Bitcoin. Selling resets that progress.

Borrowing against your Bitcoin solves this dilemma. You deposit your BTC as collateral, receive a loan in stablecoins (like USDC or USDT), and keep your Bitcoin exposure. When you are ready, you repay the loan plus interest and get your Bitcoin back.

It is like a home equity line of credit, but for your crypto — and without the banks, paperwork, or weeks of waiting.

How Bitcoin-Backed Loans Work

The core mechanics are straightforward:

1. You Deposit Collateral

You send your Bitcoin (or a wrapped Bitcoin variant like WBTC or cbBTC) to a lending protocol's smart contract. This Bitcoin is locked as collateral — it secures your loan and can be liquidated if conditions are met.

2. You Borrow Stablecoins

Based on the value of your collateral, you can borrow a certain amount of stablecoins. The maximum you can borrow is determined by the loan-to-value (LTV) ratio — more on this below.

3. You Pay Interest

Your loan accrues interest over time. In DeFi, interest rates are typically variable, adjusting based on supply and demand in the lending pool. There are no fixed repayment dates — you can hold the loan as long as you want (as long as your collateral stays healthy).

4. You Repay and Reclaim

When you are ready, you repay the borrowed stablecoins plus accrued interest. Your Bitcoin collateral is then unlocked and returned to your wallet.

For a more detailed explanation of the mechanics, see our guide on how Bitcoin-backed loans work.

Understanding Key Loan Terms

Before you take out your first loan, you need to understand several critical concepts:

Collateral

Collateral is the asset you deposit to secure your loan. In this case, it is Bitcoin. The collateral acts as a guarantee for the lender — if you fail to repay (or your collateral value drops too low), the protocol can sell your Bitcoin to cover the debt.

Loan-to-Value (LTV) Ratio

The LTV ratio determines how much you can borrow relative to the value of your collateral. For example:

• You deposit $10,000 worth of Bitcoin.
• The protocol allows a maximum LTV of 75%.
• You can borrow up to $7,500 in stablecoins.

Important: Just because you can borrow 75% does not mean you should. A high LTV leaves very little buffer before liquidation. Most experienced borrowers keep their LTV at 40-50% to provide a comfortable safety margin.

Liquidation

If Bitcoin's price drops enough that your LTV exceeds the liquidation threshold (typically around 80-85%), the protocol will automatically sell some or all of your collateral to repay the debt. This is called liquidation, and it usually incurs additional penalties.

Example:

• You deposit 1 BTC at $50,000 ($50,000 collateral).
• You borrow $30,000 USDC (60% LTV).
• Bitcoin drops to $36,000. Your LTV is now $30,000 / $36,000 = 83%.
• If the liquidation threshold is 82.5%, your position gets liquidated.

The key to avoiding liquidation is maintaining a healthy LTV buffer and monitoring your position.

Interest Rates

Interest is the cost of borrowing. In DeFi, rates are usually variable and expressed as an annual percentage rate (APR). A 5% APR on a $10,000 loan means you would pay approximately $500 in interest over a full year (though actual interest accrues continuously and compounds).

To understand how interest rates work in more detail, see our guide on understanding interest rates in crypto.

Step-by-Step: Borrowing on Borrow by Sats Terminal

Here is a complete walkthrough of borrowing against your Bitcoin using Borrow by Sats Terminal:

Step 1: Visit Borrow and Sign In

Go to borrow.satsterminal.com. Click "Sign In" to create your account. Borrow uses embedded Privy wallets, so a self-custodial wallet is created for you automatically — no MetaMask or browser extensions needed. No KYC or identity verification is required.

Step 2: Compare Loan Offers

Borrow aggregates lending offers from multiple DeFi protocols including Aave v3 and Morpho Blue. On the main interface, you will see:

• Interest rates — The annual borrowing cost for each offer.
• LTV ratios — How much you can borrow relative to your collateral.
• Protocols — Which DeFi protocol powers each offer.
• Networks — Which blockchain each offer operates on (affecting gas costs).

Take your time comparing. A slightly higher interest rate on a cheaper network might save you money overall.

For tips on evaluating these offers, see our guide on how to read a crypto loan offer.

Step 3: Choose Your Loan Parameters

Once you have selected an offer, specify:

• Collateral amount — How much Bitcoin you want to deposit.
• Borrow amount — How many stablecoins you want to receive (within the LTV limits).

The interface will show you the resulting LTV ratio. Aim for an LTV of 40-50% to give yourself a comfortable buffer against price volatility.

Step 4: Deposit Collateral and Execute the Borrow

Review the transaction details, including estimated gas fees. When you are satisfied, confirm the transaction. Your embedded wallet will sign the transaction, and the process executes on-chain:

1. Your Bitcoin collateral is deposited into the lending protocol's smart contract.
2. The protocol mints and sends stablecoins to your wallet.
3. Your loan position is now active.

Step 5: Monitor Your Position

After borrowing, keep an eye on your position. Borrow's interface shows your current LTV, collateral value, and outstanding debt. If Bitcoin's price drops significantly, you may need to either:

• Add more collateral — Deposit additional Bitcoin to lower your LTV.
• Repay part of the loan — Reduce your debt to improve the ratio.

Step 6: Repay and Reclaim Your Bitcoin

When you are ready to close your loan, return the borrowed stablecoins plus any accrued interest. Once repaid, your Bitcoin collateral is unlocked and returned to your wallet. There are no fixed repayment deadlines in DeFi — you repay on your own schedule.

What Makes Borrow by Sats Terminal Different

There are many ways to borrow against Bitcoin. Here is why Borrow stands out:

Aggregation

Instead of visiting Aave, Morpho, and other protocols individually, Borrow brings all the offers to one place. You compare rates, LTVs, and costs side by side — like a Kayak for crypto loans.

Self-Custodial

Your Bitcoin stays under your control throughout the process. Borrow uses embedded Privy wallets that are self-custodial — Sats Terminal never has access to your private keys. Your collateral is locked in audited smart contracts, not held by a company.

No KYC

Because Borrow aggregates decentralized protocols and uses self-custodial wallets, there is no identity verification. You can start borrowing in minutes, not days.

Protocol Diversity

By aggregating across multiple protocols, Borrow reduces your dependence on any single platform. If one protocol has unfavorable rates, you can simply choose another.

For more on how Borrow works, see our FAQ on how Borrow works.

Risk Management for Beginners

Borrowing against Bitcoin is powerful, but it comes with risks. Here is how to manage them responsibly:

Start Small

Your first loan should be modest. Borrow a small amount, go through the full cycle (borrow, hold, repay), and make sure you understand the mechanics before committing significant capital.

Keep Your LTV Conservative

A 40-50% LTV gives you substantial breathing room. Bitcoin would need to drop roughly 40-50% from your entry point before you face liquidation at these levels. During major crashes, that buffer can be the difference between keeping your Bitcoin and losing it.

Have a Liquidation Plan

Know what you will do if Bitcoin's price drops. Will you add more collateral? Repay part of the loan? Set price alerts so you are not caught off guard. The worst outcome is being liquidated because you were not paying attention.

Understand the True Cost

Your total cost of borrowing includes:

• Interest — The ongoing rate on your loan.
• Gas fees — Transaction costs for depositing, borrowing, repaying, and withdrawing.
• Opportunity cost — Your Bitcoin is locked up and cannot be used elsewhere while serving as collateral.

Do Not Over-Leverage

It is tempting to borrow the maximum amount, but high leverage amplifies risk. If you borrow 75% of your collateral value and Bitcoin drops 20%, you are on the verge of liquidation. Conservative borrowing keeps you in control.

Common Mistakes to Avoid

1. Borrowing at maximum LTV — Leaves no buffer for price drops.
2. Ignoring gas fees — On Ethereum mainnet, transaction costs can significantly eat into small loans.
3. Not monitoring your position — DeFi loans do not send margin call notices. You need to actively track your LTV.
4. Borrowing more than you need — Only borrow what you actually plan to use. Every dollar borrowed accrues interest.
5. Panicking during dips — A temporary price drop does not mean liquidation is imminent if your LTV is conservative.

When Borrowing Against Bitcoin Makes Sense

Bitcoin-backed loans are not right for every situation. They work best when:

• You have a strong conviction that Bitcoin will appreciate (or at least maintain value).
• You need liquidity but want to avoid selling and triggering taxes.
• You are comfortable monitoring your position and managing risk.
• The borrowing cost (interest + fees) is less than the opportunity cost of selling your Bitcoin.

They are less appropriate when:

• You need the funds for an extended period and Bitcoin is in a volatile market.
• The amount you need to borrow would require a dangerously high LTV.
• You are not prepared to add more collateral or repay if prices drop.

Key Takeaways

• Borrowing against Bitcoin lets you access liquidity without selling your BTC, avoiding taxes and maintaining your position.
• Your Bitcoin serves as collateral; you receive stablecoins and repay later to reclaim your BTC.
• LTV ratio determines how much you can borrow. Keep it at 40-50% for safety.
• Borrow by Sats Terminal aggregates offers from Aave v3, Morpho Blue, and more — comparing them in one self-custodial, no-KYC interface.
• Start small, keep leverage conservative, and monitor your position regularly.
• Understand the full cost: interest, gas fees, and opportunity cost.

Borrowing against Bitcoin is one of the most powerful tools in crypto finance. With the right knowledge and risk management, it lets you unlock the value of your holdings while maintaining exposure to Bitcoin's long-term potential.