Compare Bitcoin-backed loans using the same loan amount, collateral value, term, and repayment assumptions—not the headline rate alone. Work out the total cost, then compare your starting loan-to-value ratio (LTV) with each lender’s warning, margin-call, and liquidation levels and read what you can do before collateral is sold. Custody, eligibility, and contract terms matter too: a low quoted rate does not by itself make an offer the better choice.
Set one scenario before comparing offers
Use identical assumptions for every offer so differences reflect the loan rather than the example. Record:
- Loan amount and currency, and whether fees are deducted from the payout.
- Bitcoin amount and value pledged, plus the starting LTV.
- Term, repayment schedule, and whether you expect to repay early, refinance, or extend.
- Whether the rate is fixed or variable, and how often interest accrues or compounds.
- How you will compare costs: the total cash cost over the planned term and, where useful, an annualized figure using the same assumptions.
Ask each lender for a written, individualized offer and the loan and custody agreements. Public rates and LTV limits can change without notice, and availability depends on location and eligibility. Abra’s published comparison methodology also cautions borrowers to verify current terms directly with providers.
Compare total cost, not just the interest rate
Interest is only one part of what you pay. For the same principal and term, add interest and every applicable charge: origination or upfront fees, ongoing platform, servicing, collateral or custody fees, network fees, early-repayment charges, and maturity or rollover fees. Separate charges paid in cash from fees taken out of proceeds or collateral. Principal repayment is not a borrowing cost, but it affects the cash you need to repay.
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Check the rate basis
Confirm whether a quoted figure is a base interest rate, APR, or an all-in annualized cost, and whether it includes fees. Establish whether the rate is fixed or variable and whether interest is simple or compounds. Do not compare one provider’s APR with another’s base rate as if the labels meant the same thing.
Convert fees to the same basis
Calculate fees against the amount borrowed, not just against the collateral. If a fee is charged in BTC, convert it using the lender’s stated valuation method and date, then express it in the loan currency. A fee deducted from proceeds still costs you money: if you need a particular net amount, find out whether you must borrow more to receive it.
For example, Abra’s product-page illustration assumes a $250,000 loan against $500,000 of collateral for 12 months. It presents a 7.34% all-in annualized cost: a 5.44% variable rate plus 1.90 percentage points in disclosed fees. That corresponds to $18,350 at the stated annualized rate on $250,000, but it is an illustration—not a personalized quote or a direct ranking against providers using different disclosure methods. Abra says actual costs vary.
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Make a like-for-like cost sheet
For each offer, record the dollar cost over your planned holding period, the fee treatment, and the rate assumptions used. If you may repay early or extend the loan, price that scenario separately; a cost estimate for holding the full term will not answer what those choices cost. Treat any annualized comparison as meaningful only when the principal, term, payment pattern, and included fees match.
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LTV generally means the amount owed divided by the current value of the collateral, but contracts can differ in how they calculate the debt and value Bitcoin. Interest or charges may increase the amount owed; a lender’s collateral valuation method may also differ from the market price you see. BTCBacked, for example, describes its LTV calculation as amount owed, including interest for the full term, divided by current BTC collateral value. Use the definition in each agreement rather than assuming all lenders calculate it alike.
Model the price-drop buffer
Compare your starting LTV with the lender’s warning, margin-call, and liquidation thresholds. A lower starting LTV usually leaves more room for a fall in collateral value, all else equal; a maximum borrowing limit is not a prudent target just because it is available.
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As a simplified illustration, a $50,000 debt against $100,000 of BTC starts at 50% LTV. If collateral falls to $80,000 and debt stays at $50,000, LTV becomes 62.5%. A 75% threshold would be reached when collateral is worth about $66,667, assuming the debt remains exactly $50,000 and the contract uses this simple calculation. This is not a prediction of liquidation: accrued interest, fees, valuation rules, and contract definitions can change the result. Recalculate at several price drops using the lender’s own definitions.
Read the sequence, not just the trigger
A warning is not necessarily a formal margin call, and a margin call does not always mean immediate sale. Establish what event starts the response clock and check:
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- How and when the lender will contact you, and how much time you have to act.
- Whether you can add collateral, repay some debt, or do both during that period.
- Whether a sale is partial or full, how the lender chooses the amount to sell, and what LTV it aims to restore.
- Any liquidation fee, how sale proceeds are applied, and when remaining collateral is returned.
- Whether a missed payment or unpaid maturity balance can trigger a separate sale process.
The thresholds in provider disclosures are not directly interchangeable. For example, a partial-sale trigger at 80% LTV is a different mechanism from liquidation after a grace period above 75%, or liquidation at 90% following earlier warning bands. The response time, available remedies, debt calculation, and sale rules determine what those figures mean in practice.
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Review custody and counterparty risk separately
Ask who controls the private keys, where collateral is held, whether it is segregated, and whether the provider may lend, pledge, or otherwise reuse it. Find out what rights you have if the lender, platform, or custodian becomes unavailable or fails, and how you would seek access to collateral. Check the signed agreements for the legal entity responsible for the loan and custody; a product-page description alone does not establish your contractual protection.
Provider claims should be assessed individually. Lantern says collateral is held with BitGo in insured cold storage and is not lent out or used for speculation. BTCBacked describes a 2-of-3 multisignature escrow arrangement, no rehypothecation, on-chain visibility, and a possible arrangement in which the borrower holds one key on their own hardware wallet. These are provider-specific descriptions, not universal guarantees. Confirm the arrangements, insurance scope, key-control terms, and recovery process in the documents that apply to your offer. A hardware wallet by itself does not prevent liquidation under a loan agreement.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Published provider examples: what the terms illustrate
The figures below are examples from provider disclosures, not personalized offers or a complete market survey. Terms can change, and the providers’ different rate labels and liquidation definitions prevent a simple ranking. Check the current written offer, location eligibility, and contract before relying on any figure.
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| Provider and disclosure | Rate or pricing example | LTV and liquidation terms | Fees and other stated terms |
|---|---|---|---|
| Arch | 7.25%–10.49% interest, depending on loan size; its dashboard supplies current APR. | BTC starting LTV of 60%; margin call at 70%; partial liquidation at 80%, bringing LTV back toward the starting level. | 0.25%–1.49% origination; partial-liquidation fee typically 2% of the amount liquidated where permitted; up to 12-month term; no early-repayment fee. Refinance or rollover is described. |
| Lantern Finance; terms page last updated June 26, 2026 | 8% base interest; 10% starting APR including the upfront fee. | BTC maximum LTV of 50%; 72-hour grace period after a margin call to add collateral or repay principal; liquidation may occur if LTV exceeds 75% after that period expires. | 2% upfront fee, generally deducted from proceeds; 12-month term; no early-prepayment penalty; zero liquidation penalties. Lantern says collateral is with BitGo in insured cold storage and is not lent out or speculated with. |
| BTCBacked | Marketplace: borrower sets a preferred rate, amount, and duration or accepts an offer; no single fixed APR is stated on its opened page. | Warnings at 75%, 80%, and 85%; liquidation at 90% LTV or if the loan is unpaid at maturity. | Platform fee of 1.5% per year of the loan term, paid once; liquidation fee of 5% of the original loan amount if liquidated; BTC network fees also apply. BTCBacked describes 2-of-3 multisignature escrow and no rehypothecation. |
| Abra | Illustrative 7.34% all-in annualized cost for a $250,000 loan against $500,000 collateral held for 12 months: 5.44% variable rate plus 1.90 percentage points of disclosed fees. | Product page describes a conservative maximum around 50% LTV and says falling collateral value can lead to a margin call and liquidation; specific thresholds are not stated in this example. | The example is illustrative; actual costs vary. Abra says its comparison includes Abra, Coinbase, Figure, and Ledn, and is not an all-provider comparison. |
| Strike | Not stated in the official page excerpt reviewed. | Not stated in that excerpt; do not infer thresholds from incomplete information. | Strike’s official footer says credit products are available in select US states, and loans or lines may be issued by different named entities depending on state. Verify current personalized terms. |
Use market ranges as context, not a quote
A January 2025 joint report by the European Banking Authority and European Securities and Markets Authority describes market practices in crypto lending, not current terms for a particular Bitcoin-backed loan. It reports that centralized crypto loans typically had terms of 1 to 36 months and interest of 8% to 15%; some origination fees ranged from 1.5% to 2.5%, and liquidation fees were around 2%. The report also describes liquidation thresholds typically around 85% in some mechanisms, and says some lenders offer grace periods to add collateral. These are descriptive ranges in a broad market overview, not universal terms, a safe threshold, or a forecast for a particular borrower.
Finish with a contract and eligibility check
Before choosing between offers, make sure the comparison covers the full obligation and the practical ability to respond if BTC falls. Confirm the applicable jurisdiction, lender entity, minimum loan, term, repayment frequency, payout currency, and any extension or refinance conditions. Check whether the rate can change, how it accrues, what events count as default, and whether notices will reach you in time to act. Confirm that every fee and liquidation procedure in the sales materials appears in the binding documents.
No comparable borrower liquidation-frequency, default-frequency, or loss-rate statistic is established by the provider examples or the January 2025 EBA/ESMA report. A threshold schedule describes contract mechanics; it does not tell you the probability that your collateral will be sold. Also avoid assuming a tax outcome: BTCBacked says tax treatment depends on jurisdiction and is not tax advice, so a borrower’s circumstances require separate, jurisdiction-specific advice.
Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
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