Yes, you can borrow against Bitcoin. This FAQ-style guide covers how it works, legality, KYC, LTV limits, typical costs, risks, and platform choices.
Arkadii Kaminskyi
Arkadii Kaminskyi
Head of Operations at Sats Terminal
Head of Operations at Sats Terminal with 5 years of experience in crypto. Specializes in DeFi, yield farming, and borrowing — has reviewed 50+ crypto products.
Short answer: yes. If you are asking can you borrow against Bitcoin, the practical, legal, and technical answer is a clear yes in most major jurisdictions. You post BTC as collateral, you receive stablecoins (usually USDC), you pay interest while the loan is open, and you get your BTC back when you repay. The mechanics are well established, lenders have been running Bitcoin-backed markets for years, and the tooling has matured to the point where a first-time borrower can go from sign-up to funded in minutes. The question is not whether you can — it is whether the terms, custody model, and risks fit your situation. This article walks through every sub-question a researcher typically has before taking that step.
Yes. Borrowing against Bitcoin is a mainstream crypto-native activity, available through decentralized protocols like Aave and Morpho, through centralized lenders (CeFi), and through aggregators that route across both. You lock BTC as collateral, you receive a loan in stablecoins, and the lender holds a claim on your BTC until you repay. If the value of your BTC drops too far relative to the loan, the lender can liquidate part or all of your collateral to make itself whole. That is the entire arrangement in plain terms.
What varies across platforms is (a) who holds your BTC during the loan, (b) how interest is calculated and whether the rate is fixed or variable, (c) what the max loan-to-value ratio is, and (d) how liquidations are triggered and executed. Everything else in this article is a consequence of those four variables.
The market for Bitcoin-backed credit has matured substantially since the first CeFi lenders appeared in the late 2010s. Today, the largest non-custodial DeFi markets hold billions of dollars in wrapped BTC collateral across Aave v3 and Morpho Blue alone, while established CeFi desks still serve borrowers who prefer a human relationship, fixed-rate terms, or regulatory clarity. A borrower in 2025 has more choice — and more transparency — than at any point in the short history of crypto credit. That is good for price, because rates compete openly across venues. It is also good for safety, because the catastrophic CeFi failures of 2022 forced the surviving industry to disclose custody practices, reserves, and reliance on rehypothecation.
If you want a broader primer first, the 2025 complete guide to Bitcoin borrowing covers the market end to end. If you are brand new to the concept, what is crypto lending is the gentler starting point.
A Bitcoin-backed loan has three moving parts: the collateral, the loan, and the liquidation rule. You send BTC to a lender (or to a smart contract acting as the lender). The lender credits your account with a stablecoin loan sized at some percentage of your BTC's value — that percentage is the LTV. You pay interest on the outstanding balance while the loan is open. When you want your BTC back, you repay the principal plus accrued interest, and the lender releases the collateral.
Two details matter a lot. First, BTC is volatile, so the lender has to assume the collateral could drop 30–50% in a bad month. That is why loans are over-collateralized: you can typically borrow 50–70% of your BTC's value, not 100%. Second, the loan is valued continuously. If BTC drops and your LTV ratio climbs past the lender's threshold, the lender liquidates enough collateral to pull the loan back into a safe range. For a deeper walk-through of the mechanics, see the FAQ on Bitcoin-backed loans.
In DeFi — think Aave v3 or Morpho Blue — the "lender" is a smart contract. You deposit wrapped BTC (wBTC, cbBTC, BTCB) into a lending pool, you draw stablecoins against it, and the entire relationship is governed by code on a public blockchain. There is no counterparty you can call, but there is no counterparty who can quietly rehypothecate your collateral either. In CeFi, the lender is a company. They custody your BTC, they make a promise on paper, and their balance sheet stands behind that promise. Both models are legitimate; both have distinct failure modes. The custodial vs. non-custodial lending guide goes deeper on the tradeoffs.
Most on-chain lenders pay out loans in stablecoins like USDC or USDT. Stablecoins are dollar-pegged tokens that settle on public blockchains, so a lender can hand them to you in seconds and you can use them anywhere crypto is accepted. If you need actual bank dollars, you off-ramp the stablecoins through an exchange or a fintech. That extra step is usually the only difference between "crypto loan" and "cash loan" in practice.
There is also a structural reason DeFi lenders quote in stablecoins. A lending pool needs to hold its denomination unit in tokenized form, and there is no tokenized US dollar that lives natively on a public blockchain the way USDC or USDT do. So stablecoins are not a workaround — they are the asset class that makes on-chain credit markets possible. If a stablecoin depegs, every open loan denominated in it is affected. This is why sophisticated borrowers pay attention to which stablecoin they borrow and why mature markets disclose reserves, auditors, and redemption rails.
Every non-custodial lending market depends on a price oracle — a smart contract that reports the current value of the collateral. Oracles are how the protocol knows whether your LTV has crossed the liquidation threshold. Major DeFi protocols use decentralized oracle networks (Chainlink is the most common) that aggregate prices from multiple exchanges and apply time-weighting to resist manipulation. Understanding the oracle matters because liquidations are triggered by the oracle's price, not your favorite exchange's price. In practice the two are nearly identical, but during extreme dislocations they can briefly diverge.
Borrowing against your own Bitcoin is legal in most major jurisdictions. What is regulated is the lender, not the borrower. CeFi lenders generally operate under money-transmitter or lending licenses and are required to run KYC/AML checks. DeFi protocols are smart contracts and do not perform KYC on users — though the front ends used to access them may be geofenced in some regions. For a structured look at the global picture, read the regulatory landscape for crypto lending.
Whether you personally need to complete KYC depends on which lender you choose and how you reach it. CeFi platforms will almost always ask for government ID, proof of address, and sometimes source-of-funds documentation. On-chain DeFi protocols typically do not — you connect a wallet, you sign a transaction, you are in. Aggregators sit in between: some handle KYC on behalf of CeFi partners, and some do not. Borrow by Sats Terminal does not require KYC; sign-up is email-only.
In many jurisdictions — the U.S. is the prominent example — taking a loan against your Bitcoin is generally not a taxable event, because you have not disposed of the asset. Selling BTC for dollars is. That distinction is one of the main reasons people borrow rather than sell. But tax law is nuanced and changes, and liquidations can create taxable events you did not plan for. Read tax implications of crypto borrowing for context, and consult a tax professional before making decisions based on tax assumptions. Nothing here is tax advice.
Residency matters more for CeFi than for DeFi. A CeFi lender's ability to serve you depends on its licenses in your jurisdiction; some platforms geofence U.S. retail users entirely, some only admit certain states, some require business entities, and some are only available to non-U.S. residents. DeFi protocols do not check residency at the contract level, but the front-end websites that most users rely on often do. This is why borrowers in restrictive jurisdictions sometimes prefer aggregators that surface only compliant venues, or that support direct wallet interaction without additional KYC.
The barrier to entry is lower than most people assume. At minimum you need:
Many newer users underestimate the importance of the third and fourth items on that list. A loan is not just "press button, receive stablecoins" — it is a position you have to monitor. If you want a deeper walkthrough of the health signals, see custodial vs. non-custodial lending and the broader Borrow learn library.
There is no universal minimum across the whole market. Some DeFi markets practically require at least a few hundred dollars' worth of collateral just so gas fees do not eat the position; others are fine with smaller amounts. CeFi lenders often set explicit minimums in the low thousands of dollars. On aggregators, the effective minimum is whatever the cheapest available lender sets. If you are borrowing a small amount, make sure the gas and bridging costs do not swallow the benefit.
Native BTC lives on the Bitcoin blockchain. It cannot directly collateralize an Ethereum-based lending pool because Ethereum smart contracts cannot read the Bitcoin chain natively. To borrow against Bitcoin on DeFi you have to use a wrapped representation: wBTC (custodied by BitGo, redeemable 1:1), cbBTC (issued by Coinbase), or BTCB (the BNB Chain representation). Each wrapper has its own trust assumptions. Reputable wrappers are considered safe enough for billions of dollars of collateral to sit in them, but they are not identical to holding native BTC in self-custody. Aggregators hide this complexity by handling the wrapping step for you once your BTC deposit confirms.
For most first-time borrowers the answer is a Layer 2. BASE, Arbitrum, and Optimism offer fees measured in cents rather than dollars, competitive rates, and meaningful liquidity on Aave v3 and Morpho Blue. Ethereum mainnet has the deepest pools and the longest track record, but its gas cost makes small loans uneconomic. Polygon and BSC are options if you already operate in those ecosystems. If you know you will redeploy stablecoins into a specific app — a DEX, a yield protocol, a payment rail — borrow on the same chain that app lives on to avoid a second bridging step.
This is where researchers tend to get the widest spread of answers, because rates move with pool utilization and market regime. Framing them as ranges as of early 2025 is more honest than quoting a single number:
| Variable | Typical range (as of early 2025) | Notes |
|---|---|---|
| Max LTV (wBTC collateral, Aave v3) | 70–80% | Lender-set. Drawing to max LTV is rarely advisable. |
| Liquidation threshold (DeFi wBTC markets) | 75–85% | Above this LTV, liquidation engines can act. |
| Stablecoin borrow APR (DeFi, variable) | Low single digits to mid-teens | Moves with pool utilization. |
| Stablecoin borrow APR (CeFi, often fixed) | Mid single digits to low double digits | Usually a premium for predictability. |
| Origination fees | 0% on most DeFi; varies on CeFi | Always read the fee schedule. |
| Gas / network fees | Cents to a few dollars on L2s | Ethereum mainnet can be higher. |
Two things compress costs hard: borrowing on a Layer 2 (BASE, Arbitrum, Optimism) instead of Ethereum mainnet, and using a non-custodial DeFi protocol instead of a CeFi lender. Two things expand costs: chasing a fixed rate when variable is much cheaper, and borrowing right at max LTV so any market move forces a partial liquidation.
DeFi typically offers variable rates. The rate adjusts with how much of the lending pool is being borrowed — tight utilization means expensive borrowing, slack utilization means cheap. Fixed rates exist on some Morpho markets and on many CeFi desks; they price in the lender's uncertainty and usually carry a premium. The right choice depends on how long you plan to hold the loan and how much rate volatility you can tolerate. Short, tactical loans often do fine on variable; multi-year positions may benefit from a fixed-rate term even at a premium.
The APR quoted on the borrow page is only one input. Your total cost of credit includes the interest accrued while the loan is open, any origination or closing fees, the cost to bridge and wrap BTC into the form the lender needs, and the opportunity cost of the BTC being locked rather than available for other uses. For a short-duration loan, fees dominate: a 0.5% origination charge on a 30-day loan is equivalent to roughly 6% APR on its own. For a long-duration loan, the rate dominates and fees fade into the background. Aggregators tend to surface the all-in cost rather than just the headline APR, which removes the most common mistake first-time borrowers make.
Rates on the same collateral and borrow asset can differ meaningfully across venues at any given moment. Aave v3 on Ethereum may price USDC at one rate while Morpho Blue on BASE prices the same USDC against the same wBTC collateral materially cheaper. The gap reflects local utilization, incentive programs, and market microstructure. Checking each venue manually is slow; aggregators read them continuously and display the best available terms in one view. Over a year on a modest loan, the savings from picking the right venue routinely exceed the cost of using an aggregator — which in most cases is no additional charge, since the aggregator earns from protocol-side integrations rather than user fees.
Bitcoin-backed loans are a tool, not a lifestyle. They make sense for some holders and are a bad idea for others. The honest breakdown:
Good candidates:
Poor candidates:
If you are in the "poor candidate" list, selling a small portion of BTC is almost always the safer path. A loan is a structural commitment, not a free option.
A good way to decide is to write down the specific thing you will do with the stablecoin proceeds. If the answer is concrete — pay a tax bill, fund a business expense, cover a medical cost, deploy into a yield strategy with a defined return — the loan is a tool with a measurable job. If the answer is vague ("have cash available just in case"), the loan is probably unnecessary drag. Interest accrues every day, whether or not you use the money. A credit line sitting idle is a losing trade compared to the same BTC sitting in cold storage.
Choose LTV before you choose loan amount. A common framework: decide how far BTC could plausibly fall over your loan term (many borrowers use 40–50% as a stress case), then pick an LTV that leaves a comfortable buffer below the liquidation threshold even after that drawdown. If the lender's liquidation threshold is 80% and you assume a 40% BTC drop, a starting LTV of 30% still leaves you below the threshold after the drawdown. Borrowing at 60% LTV into the same stress case would trigger liquidation. The discipline is to let the risk model drive loan size, not the other way around.
Borrowing against Bitcoin comes with real risks. Most are manageable, none are zero. Work through these before you sign a transaction. For the canonical list, the FAQ page on risks of borrowing against Bitcoin is a good reference.
This is the headline risk. BTC drops, your LTV climbs, the liquidation engine sells part of your collateral at a discount to repay part of the loan. You lose the discount, you lose any upside on the liquidated portion, and in a fast drawdown you may be liquidated multiple times. The defense is a low starting LTV and a plan to add collateral or repay if price moves against you.
A CeFi lender can become insolvent. The 2022 cycle demonstrated this in painful detail. When a CeFi platform fails, depositors often become unsecured creditors in bankruptcy. DeFi protocols do not have this failure mode — but they have others.
DeFi protocols run on code. Code can have bugs. Price oracles can be manipulated in edge cases. The mature protocols — Aave v3, Morpho Blue — have been audited repeatedly and battle-tested, but "audited" is not "invulnerable."
Your loan is denominated in a stablecoin. Stablecoins can depeg. USDC briefly depegged during the Silicon Valley Bank weekend in 2023. If you are holding a large stablecoin balance from a loan, understand the issuer, the reserves, and the redemption path.
Using BTC on Ethereum or BASE means wrapping or bridging — wBTC, cbBTC, or BTCB. Each wrapper has its own custody model. Each bridge has its own attack surface. Reputable wrappers are fine for most borrowers, but they are not equivalent to holding native BTC in cold storage.
Lost keys. Wrong-chain transactions. Failed repayments due to gas. These mundane failures produce more pain than protocol exploits. Using a well-designed wallet flow — one that signs the right actions on the right chains — cuts this down substantially.
Variable rates can climb sharply if a pool becomes tightly utilized. A borrow rate that was 3% when you opened the position can be 12% a month later if a wave of demand hits the pool. Over short horizons this is survivable; over long horizons it compounds. If rate volatility would meaningfully change your willingness to hold the loan, consider a fixed-rate market or plan in advance how you will react to rate spikes (repay early, migrate to a cheaper pool, add collateral). The custodial vs. non-custodial guide discusses these tradeoffs in context.
Before opening any loan, run one thought experiment: assume BTC falls 50% overnight. What is your LTV? Are you liquidated? Do you have a repayment plan? If the answer is "I would be liquidated and I have no plan," the loan is too large. If the answer is "I would be at uncomfortable LTV but still safe, and I have spare stablecoins to pay down the balance," you have the right margin. Writing this down before you sign the transaction is the single highest-leverage risk-management practice for a new borrower.
Borrow by Sats Terminal is an aggregator for Bitcoin-backed stablecoin loans. It does not issue loans itself. Instead, it connects to multiple lending venues — Aave v3, Morpho Blue, and select CeFi providers — surfaces their current rates, max LTVs, liquidation thresholds, and custody models in one view, and lets you execute the offer that fits best. Think of it as a comparison layer that removes the grind of opening ten tabs, wrapping BTC manually, and reconciling terms across protocols.
Three pieces of the workflow are worth calling out. First, sign-up is email-only — no KYC, no seed-phrase gymnastics. A self-custodial Privy wallet is created automatically when you register. Second, Borrow is self-custodial: it cannot move your funds without an explicit signed approval from you, on every step. Third, bridging and wrapping happen automatically under the hood. You deposit native BTC to a unique address, the system monitors confirmations, and it prepares your collateral on the destination chain with your consent. The end result is that you get the transparency of DeFi without doing the cross-chain plumbing by hand.
Because Borrow aggregates across venues, it covers BASE, Ethereum, Arbitrum, Polygon, Optimism, and BSC, and supports wBTC, BTCB, and cbBTC as the underlying collateral forms. Borrowable assets are primarily USDC, with USDT on some chains and protocols. For a safety-focused overview, the FAQ on whether Borrow is safe to use lays out the custody boundary in detail.
Common Questions
Yes — that is the entire point of a Bitcoin-backed loan. You post BTC as collateral, receive stablecoins against it, and keep full economic exposure to the BTC while the loan is outstanding. When you repay, the collateral is released. No disposition means no capital-gains event in most jurisdictions, though a forced liquidation can change that. The usual tradeoff is that you can only borrow a fraction of the BTC's value (commonly 50–70%), you pay interest, and you accept liquidation risk if the price falls far enough to breach the lender's threshold.
