A practical step-by-step guide to lending bitcoin for interest in 2025 — covering CeFi vs. DeFi, realistic APY ranges, the borrow-to-earn loop, and tax basics.
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.
For long-term Bitcoin holders, watching a stack sit idle while inflation quietly erodes purchasing power is a familiar frustration. Lending bitcoin for interest — or deploying it in yield-generating strategies — is one answer. Done carefully, it can transform dormant BTC into a source of passive income without triggering a taxable sale. Done carelessly, it can expose your holdings to custodial failure, smart-contract exploits, or margin calls that wipe your collateral. This guide walks through the full decision process: what lending models exist, how to set realistic expectations, which platforms are credible, how to execute step by step, and how more sophisticated Bitcoin holders are using BTC-backed stablecoin loans as a gateway to higher yields. Read to the end — the numbers may surprise you in both directions.
Bitcoin's core value proposition is scarcity and long-term appreciation. But holding BTC outright generates no cash flow. Equities pay dividends. Bonds pay coupons. Real estate pays rent. Bitcoin, historically, just sits. That gap has opened a market: platforms willing to pay holders for the right to deploy their BTC in lending or trading operations.
The appeal is straightforward. If you believe Bitcoin will be worth more in five years, selling it to invest elsewhere feels counterproductive. Lending it — or using it as collateral to generate yield elsewhere — lets you stay long BTC while still extracting economic value from the position. For holders with significant stacks, even 2% annual yield on BTC is meaningful capital that compounds over time.
There is also a less obvious motivation: liquidity. Rather than selling BTC to cover short-term expenses or investment opportunities, some holders lend stablecoins against their BTC collateral and deploy those stablecoins in higher-yielding DeFi protocols. This is the "borrow to earn" loop, covered in detail later in this guide.
The risks, however, are real. Counterparty failures, smart-contract exploits, and forced liquidations have collectively caused billions in losses across the crypto lending ecosystem. Understanding these risks is not optional — it is the foundation on which any sound yield strategy must be built. If you want a broader overview of the risk landscape, see our deep-dive on crypto lending risks every borrower should know before committing any capital.
Before choosing a platform or deploying capital, you need to understand that "earning interest on Bitcoin" is not one thing. It is two fundamentally different activities that happen to involve BTC. Conflating them leads to poor decisions.
In direct BTC lending, you deposit your Bitcoin into a platform — either a centralized exchange or a DeFi lending pool — and the platform lends your BTC to borrowers. Borrowers pay interest; you receive a share of that interest denominated in BTC (or sometimes stablecoins).
The supply side of BTC lending is large relative to institutional demand for BTC borrowing, which keeps rates structurally low. As of early 2025, native BTC lending rates on reputable platforms typically range from 0.5% to 3% APY. During risk-on periods when traders want to long BTC with leverage, rates can spike briefly higher, but this is not the norm. If a platform is advertising 8-12% on BTC deposits with no explanation, treat that as a significant red flag.
For a full explanation of how these rate mechanisms work, see our guide on understanding interest rates in crypto.
The second model is more nuanced. Instead of lending your BTC directly, you use it as collateral to borrow stablecoins (USDC, USDT), then lend those stablecoins in DeFi protocols that pay higher yields. Stablecoin lending demand is structurally stronger than BTC lending demand because stablecoins are the unit of account for DeFi activity, trading, and liquidity operations. As a result, stablecoin supply rates on major DeFi protocols like Aave v3 or Morpho Blue have historically ranged from 4% to 10% APY, with spikes during high-activity periods.
This model is more complex. You carry loan interest on the BTC-backed borrowing (typically 2-6% variable APR on DeFi), and you earn yield on the stablecoin deployment. The net yield is the spread between what you earn and what you pay. You also carry liquidation risk on the BTC collateral side. This is not a passive, set-and-forget strategy — it requires active monitoring.
To understand the difference between APY (compounded return you earn) and APR (the rate you pay on loans), visit the glossary entries for annual percentage yield and annual percentage rate.
The table below summarizes the two models at a glance:
| Model | Typical APY Range (2025) | Complexity | Custody risk | Liquidation risk |
|---|---|---|---|---|
| Direct BTC lending (CeFi) | 0.5% – 3% | Low | High (custodial) | None (you are the lender) |
| Direct BTC lending (DeFi) | 0.1% – 2% | Medium | Smart-contract risk | None (you are the lender) |
| Stablecoin lending via BTC-backed loan | Net 2% – 7% (gross minus borrow cost) | High | Smart-contract risk | Yes (on BTC collateral) |
Every yield strategy carries trade-offs. Your first step before opening any account is to answer these four questions honestly.
If the BTC you are considering lending is your primary financial safety net, the risk profile of most lending strategies is inappropriate. Lending platforms — even reputable ones — can experience withdrawal freezes, smart-contract exploits, or liquidity crunches. If losing access to this BTC for 30-90 days (or permanently) would cause meaningful hardship, keep it in cold storage and do not lend it.
If the BTC represents a portion of your holdings that you are comfortable not needing for at least 12 months, the risk calculation changes. Treat lending capital as capital you can afford to work hard but also accept occasional friction around.
Be specific. "More yield" is not a goal. If you need your BTC to generate income equivalent to 5% per year, native BTC lending at 1-2% will not serve you. You will need to either accept that the math does not work with direct BTC lending, or move to the more complex stablecoin strategy — which means accepting liquidation risk and active management burden.
DeFi yield strategies and especially "borrow to earn" loops require regular attention. Collateral ratios drift as BTC price moves. Rates change. Protocols get upgraded. If you cannot check your positions weekly at minimum, stick to simpler products with higher margin of safety — or do not participate in the complex strategies at all.
In most jurisdictions, interest received (whether in BTC or stablecoins) is ordinary income at the time of receipt. Borrowing against BTC does not trigger a taxable event, but the interest you pay may or may not be deductible depending on how you deploy the borrowed funds. For jurisdiction-specific questions, consult a tax professional — we cover the general framework in the Tax Implications section below.
The custody model you choose — centralized (CeFi) or decentralized (DeFi) — is arguably the most important decision in this process. It determines who controls your assets, what legal protections apply, and how you interact with the platform operationally.
CeFi platforms hold your Bitcoin in their own custody. You transfer BTC to the platform, and the platform manages lending, borrowing, and interest payments on your behalf. This feels familiar — it resembles a bank deposit. The user experience is smooth, KYC is standard, and customer support exists.
The risk is that you are entirely dependent on the platform's solvency, security practices, and legal standing. The 2022 crypto lending collapse — Celsius, BlockFi, Genesis — demonstrated that CeFi lending is not inherently safe. Platforms that appeared sound froze withdrawals and entered bankruptcy with no warning to depositors. Assets held in CeFi custody are typically unsecured creditor claims in bankruptcy, not segregated deposits with FDIC protection. This matters enormously.
CeFi platforms that survived 2022 and rebuilt include Coinbase Institutional lending products and a handful of others. Evaluate any CeFi platform rigorously: check proof-of-reserves disclosures, regulatory licenses in your jurisdiction, audited financials, and whether they operate with rehypothecation (re-lending your collateral, which amplifies risk).
DeFi protocols like Aave v3 and Morpho Blue operate via audited smart contracts on public blockchains. You retain control of your private keys; the protocol interacts only with your wallet when you authorize a transaction. There is no company to go bankrupt in the traditional sense, and there are no withdrawal gates — you can exit anytime the protocol is solvent and liquid.
The trade-offs: smart-contract risk is real (bugs can be exploited), user experience requires more technical knowledge, and there is no customer support. Rates are variable and respond to market utilization in real time. You also need to manage your own wallet, gas fees, and bridge operations if moving BTC to EVM chains.
For a thorough comparison of the two models, our article on CeFi vs. DeFi crypto lending pros and cons covers the full landscape. The learn section also has a dedicated guide on custodial vs. non-custodial lending that goes deeper on the trust model differences.
If you have evaluated the risks and decided that a CeFi platform fits your goals, here is the process from account creation to receiving interest.
Do not choose a CeFi lending platform based on the highest advertised rate. Choose based on trust indicators: regulatory compliance in your jurisdiction, proof-of-reserves attestations, transparent fee structures, history of honoring withdrawals without gating, and clear legal terms about what happens to your assets in an insolvency event.
Avoid platforms that:
All legitimate CeFi lending platforms require Know Your Customer verification. Prepare a government-issued photo ID, proof of address (utility bill or bank statement dated within 90 days), and in some cases a selfie or live facial scan. KYC review typically takes 24-72 hours for standard accounts. Institutional accounts may require additional documentation including entity formation documents and beneficial ownership information.
Before depositing a single satoshi, enable two-factor authentication (use an authenticator app, not SMS), set a withdrawal whitelist if the platform supports one, and use a unique strong password stored in a password manager. These steps are not optional. Account takeovers via phishing and SIM-swapping are common attack vectors against crypto holders.
Navigate to the deposit section of the platform. Copy the platform's BTC deposit address carefully — always verify the first and last 6 characters match after pasting. Send a small test transaction first, then wait for confirmation before sending the full amount. Bitcoin network confirmations typically take 10-60 minutes depending on fee market conditions. Most platforms require 2-6 confirmations before crediting your account.
CeFi platforms typically offer multiple lending structures:
Read the fine print on any fixed-term product. Understand what happens if the platform has liquidity issues during your lock period. Consider starting with flexible products until you have confidence in the platform.
Set calendar reminders to check your account regularly. Track: interest accrual (is it matching the stated rate?), withdrawal availability (are there any flags or delays?), and platform news. Subscribe to the platform's official communications and follow their status page. If you notice any abnormal withdrawal restrictions or communication style changes that suggest distress, act promptly.
When you decide to exit, initiate withdrawal well before you need the funds — allow 1-7 days for processing depending on the platform. Keep records of all interest received (date, amount in BTC, fair market value in USD at receipt) for tax purposes. Most platforms provide annual tax reports, but these may lag and should be verified against your own records.
DeFi yield strategies with Bitcoin require more setup but offer non-custodial access to your assets throughout. Here is the step-by-step process.
You need an EVM-compatible wallet (MetaMask, Rabby, or a hardware wallet like Ledger paired with MetaMask) to interact with DeFi protocols. Write your seed phrase on paper and store it in a physically secure location — never digitally, never in cloud storage. This is the most important security step in all of DeFi.
Native Bitcoin (BTC on the Bitcoin network) cannot interact directly with Ethereum or other EVM chains. You need a wrapped or bridged representation. Common options:
Bridging involves trust assumptions: you trust the custodian or bridge protocol. Use only well-audited bridges and custodians with strong track records. Our learn guide on bridging and wrapping Bitcoin explains the mechanics and trade-offs in detail.
Once you hold wBTC or cbBTC in your wallet, navigate to a DeFi lending protocol like Aave v3 on Ethereum or Base. Connect your wallet, select the wBTC/cbBTC asset, and supply the desired amount. The protocol mints receipt tokens (aTokens on Aave) representing your deposit plus accrued interest. You can redeem these for your underlying asset at any time.
Note that native BTC supply rates on DeFi are typically low (often under 1-2% APY) because BTC-specific lending demand on-chain is limited. The primary reason to supply BTC to DeFi protocols is usually to use it as collateral for borrowing stablecoins — not for direct yield.
Every transaction on Ethereum mainnet costs gas (paid in ETH). For small positions, gas costs can erode yield significantly. Consider using lower-cost chains like Base, Arbitrum, or Polygon where gas fees are a fraction of mainnet costs. However, also consider the security track record and liquidity depth on those chains before deploying large positions.
DeFi protocols publish real-time health data. Monitor: your supplied balance and accrued yield, any governance proposals that might affect your position, and protocol-level alerts. Follow the protocol's official channels (Discord, governance forums) to stay ahead of changes. Our guide on monitoring your crypto loan health provides a practical framework for this.
This is where Bitcoin holders with a higher risk tolerance and more active management capacity can access meaningfully higher yields — and where the line between lending and borrowing blurs productively.
The strategy has three legs:
The net return is the spread: if you earn 7% on USDC and pay 4% on the BTC-backed loan, your net yield on the deployed stablecoins is approximately 3%. Applied to $50,000 of stablecoins, that is $1,500 per year — earned without selling any Bitcoin.
If Bitcoin's price drops significantly, your collateral value falls and your Loan-to-Value ratio rises. If it exceeds the protocol's liquidation threshold (typically 75-85% LTV on DeFi), a portion of your BTC collateral is seized at a discount to repay the loan. This is the core risk that makes this strategy inappropriate for all but active, risk-aware participants.
Risk management requires:
The "Putting Bitcoin to Work" series covers this in depth. See Episode 01 for the fundamentals and Episode 03 for smart ways to deploy your borrowed stablecoins.
For long-term Bitcoin holders who are philosophically opposed to selling, the borrow-to-earn loop solves a real problem: it generates liquidity and yield without a taxable disposition event. In many jurisdictions, borrowing against BTC is not a taxable event — only selling or trading BTC triggers capital gains. The stablecoin interest earned, however, is typically taxable as income. This creates a tax-efficient structure relative to selling BTC, realizing gains, and reinvesting in yield strategies.
For a deeper dive into yield deployment strategies, the comparison between crypto lending and staking is worth reading to understand where each fits in a broader portfolio strategy.
One of the most important services this guide can offer is grounding your expectations in reality. Yield marketing in crypto is often misleading — rates advertised during bull market peaks become unavailable during quieter periods, and high rates on small platforms carry risks that are not reflected in the headline number.
This is the realistic range for lending BTC directly on credible platforms as of 2025. Rates are low because: the supply of BTC available for lending is substantial relative to institutional borrowing demand for BTC specifically; most DeFi activity uses stablecoins, not BTC; and risk-on market conditions (which would spike BTC borrow demand from leveraged longs) are episodic, not constant.
If you see a CeFi platform offering 7-10% on BTC deposits with no clear explanation, the source of that yield is almost certainly either unsustainable risk-taking by the platform or a Ponzi-adjacent structure. Both have materialized in the past.
Stablecoin supply rates are higher and more variable. During bull markets and high-volume trading periods, stablecoin demand spikes as traders seek leverage. Rates on Aave v3 USDC supply have historically exceeded 10% during these periods. In quiet bear market conditions, rates can drop below 3%. Plan around a 4-6% average for sustainable, cycle-agnostic strategies.
The net spread after paying borrow interest on the BTC-backed loan depends on: the size of the borrow rate (variable, tracks stablecoin demand), the yield on the stablecoin deployment, and the LTV ratio (which determines how much stablecoin is deployed relative to BTC collateral).
In favorable conditions (low borrow costs, high supply rates), spreads of 4-6% on deployed stablecoins are achievable. In unfavorable conditions, the spread can compress to near zero or turn negative. Running the numbers with a conservative scenario before deploying is essential.
Crypto lending rates are market rates, not fixed commitments. They respond to: utilization ratios in lending pools (higher utilization = higher borrow rates = higher supply rates), overall market sentiment and leverage appetite, stablecoin supply expansion or contraction, and protocol-specific incentive programs that may spike rates temporarily.
For a thorough explanation of the mechanics, see understanding interest rates in crypto and the glossary entry on utilization rate.
| Strategy | Typical APY Range | Market conditions affecting rate | Key risks |
|---|---|---|---|
| CeFi BTC lending | 0.5% – 3% | Leveraged long demand for BTC | Platform insolvency, withdrawal freezes |
| DeFi wBTC supply (Aave/Morpho) | 0.1% – 2% | On-chain BTC borrow demand | Smart-contract exploit, oracle failure |
| DeFi USDC supply (Aave/Morpho) | 3% – 10% | Stablecoin demand, trading volume | Smart-contract exploit, rate compression |
| Borrow-to-earn loop (net) | 1% – 5% net | Spread between borrow and supply rates | Liquidation, rate spread compression |
Borrow by Sats Terminal is a Bitcoin-backed stablecoin borrowing aggregator. It is not a yield product or a lending platform. This distinction matters and we want to be direct about it: Borrow will not pay you interest on your Bitcoin. What it does instead is solve the first and most important step for any Bitcoin holder pursuing a yield strategy through the borrow-to-earn model — getting a stablecoin loan against your BTC at the best available terms.
Borrow aggregates loan offers from multiple DeFi protocols — including Aave v3 and Morpho Blue — across chains including Base, Ethereum, Arbitrum, Polygon, Optimism, and BSC. It compares terms across these lenders in real time and presents you with the most competitive rates and LTV ratios. It also handles the operational complexity that stops most Bitcoin holders from accessing DeFi: wrapping native BTC into wBTC, cbBTC, or BTCB, and bridging it cross-chain to wherever the best offer lives.
The result: you deposit BTC, Borrow handles the wrapping and bridging automatically, you receive stablecoins at the best available rate from across the DeFi ecosystem, and then you deploy those stablecoins in the yield strategy of your choice.
Getting a good borrow rate is the first leverage point in the borrow-to-earn strategy. A 1% difference in borrow rate — say, 4% instead of 5% on a $50,000 USDC loan — is $500 per year in additional net yield. Over a multi-year position, that compounds. Borrow exists specifically to find that difference by comparing multiple protocols rather than defaulting to whichever one the user happened to discover first.
The platform requires no KYC and uses a self-custodial Privy wallet created automatically at signup — no seed phrases to manage, no custody risk from the aggregator itself. Borrow never takes custody of your assets; every transaction requires your explicit approval.
For Bitcoin holders who want to understand what borrowing against BTC looks like end-to-end before deploying capital, the building a Bitcoin treasury strategy guide in the learn section is a useful starting point. And if you are comparing whether to borrow against BTC or explore other yield approaches, Episode 03 of Putting Bitcoin to Work walks through specific deployment scenarios in practical detail.
Tax treatment of Bitcoin lending varies by jurisdiction, and this section provides a general framework only — not legal or tax advice. Consult a qualified tax professional who understands crypto for your specific situation.
In most major jurisdictions (including the United States), interest received from lending your Bitcoin is treated as ordinary income at the fair market value of the BTC (or stablecoins) at the time of receipt. This is true whether you receive interest daily, monthly, or annually. The income is taxable regardless of whether you sell the received assets.
This creates a practical record-keeping challenge: you must track the USD value of every interest payment on the date it was received. Most CeFi platforms provide annual tax reports, but these should be cross-referenced against your own records. DeFi protocols do not generate tax reports — you need a crypto tax tool (Koinly, CoinTracker, etc.) that can import on-chain transactions.
Taking a loan against your Bitcoin — including through the borrow-to-earn strategy — is generally not a taxable event in the United States and most comparable jurisdictions. You are borrowing, not selling. The BTC collateral remains yours (you are still subject to capital gains if/when you sell it). The borrowed stablecoins are debt proceeds, not income.
However, if your BTC is liquidated by the protocol to repay the loan, that liquidation is typically treated as a sale of the BTC at the liquidation price, triggering capital gains or losses. This is one more reason to manage collateral ratios conservatively — forced liquidation creates a taxable event at a potentially unfavorable price.
Interest earned on stablecoins deployed in DeFi is also ordinary income in most jurisdictions. Stablecoins (USDC, USDT) are generally treated as property for tax purposes, and yield received is income at fair market value — which for stablecoins is typically close to $1.00 per unit, simplifying calculation.
For a more comprehensive treatment of these issues in the context of BTC-backed borrowing specifically, our FAQ page on tax implications of borrowing against Bitcoin is a useful reference.
Yield strategies involving Bitcoin carry several distinct risk categories. Understanding each and taking specific mitigating actions is the difference between a sustainable income strategy and a costly lesson.
The risk that a CeFi platform holding your BTC becomes insolvent, freezes withdrawals, or is hacked. Mitigations: use regulated platforms with proof-of-reserves; keep deposits below a concentration threshold you can absorb losing; avoid platforms with opaque yield sources.
The risk that a bug in the protocol code is exploited, draining funds from lending pools. Mitigations: use only protocols with multiple independent audits, long track records, and active bug bounty programs. Aave v3 and Morpho Blue are among the most battle-tested protocols in DeFi, but no smart contract is categorically risk-free. See the learn guide on smart-contract security and audits.
The risk that a BTC price drop forces a liquidation of your collateral, crystallizing a loss and a taxable event. Mitigations: maintain conservative LTV (under 55%); set price alerts at 10-15% above liquidation threshold; keep collateral top-up capital accessible; do not deploy borrowed stablecoins into illiquid positions that cannot be quickly converted to repay the loan.
DeFi protocols use price oracles to determine collateral values. In rare cases, oracle manipulation or failure can trigger incorrect liquidations. Mitigations: prefer protocols using Chainlink or similar decentralized oracle networks; understand the oracle configuration of any protocol you use.
The regulatory landscape for crypto lending is actively evolving. CeFi platforms operating without appropriate licenses in your jurisdiction may be forced to restrict access. DeFi protocols may face front-end restrictions or compliance requirements over time. Mitigations: use non-custodial DeFi where possible; stay informed about regulatory developments in your jurisdiction.
Variable interest rates on both the supply and borrow side can move against you. A borrow-to-earn position that generates 3% net today may generate 0.5% or even a negative spread tomorrow if borrow rates spike or supply rates compress. Mitigations: model your strategy around conservative rate assumptions; have a clear exit plan for when the spread makes the strategy uneconomical.
Safety checklist before deploying any yield strategy with Bitcoin: platform audit status confirmed, LTV set conservatively below 55%, price alerts active, tax records plan in place, capital available for collateral top-up, and exit strategy defined.
Common Questions
Safety depends almost entirely on the platform and structure. Native BTC lending on CeFi platforms carries custodial risk — the platform can fail, as Celsius and BlockFi demonstrated in 2022. DeFi lending carries smart-contract risk. The "borrow to earn" loop adds liquidation risk on top. No lending strategy is risk-free. The question is whether the yield compensates for the risks you are accepting and whether you have mitigated what can be mitigated. Starting with smaller positions on battle-tested protocols and scaling gradually is more prudent than maximizing yield from day one. For a detailed look at the risk categories, see our post on crypto lending risks every borrower should know .
