Bitcoin Loan Comparison

Unchained vs. Strike

Unchained charges 14%–15% APR with a 2% origination fee using collaborative multisig (2-of-3). Strike charges 7.49%–10.5% APR with $0 origination fees using custodial. See the full breakdown of rates, thresholds, and custody risk below.

Rates verified 2026-05-14

How do Unchained and Strike compare for Bitcoin-backed loans?

Strike advertises a lower headline rate at 7.49%–10.5% compared to Unchained's 14%–15%. On a $1M loan held for 12 months, Strike saves $70,000 in total first-year cost (interest plus origination fees). From a custody perspective, Unchained presents lower counterparty risk with its collaborative multisig (2-of-3) model.

Unchained vs. Strike: Feature-by-Feature Comparison

Unchained
Strike
Interest Rate (APR)
14%–15%
7.49%–10.5%Strike
Origination Fee
2%
$0Strike
Max Starting LTV
50%
50%
Margin Call Threshold
67% LTV
70% LTVStrike
Liquidation Threshold
83% LTV
85% LTVStrike
Margin Call Window
24 hours
72 hoursStrike
Custody Model
Collaborative multisig (2-of-3)Unchained
Custodial
Rehypothecation
No
No
Interest Payment
Monthly
Monthly
Minimum Loan
$150,000
$10,000Strike

APR by Loan Size: Unchained vs. Strike

Strike offers tiered rates that decrease with larger loan amounts, while Unchained structures rates by term-length. Total year-1 cost includes both annualized interest and any origination fees charged upfront.

Loan SizeUnchained APRStrike APRUnchained Total Year-1 CostStrike Total Year-1 CostSavings
$250,00014%10%$40,000$25,000$15,000 with Strike
$500,00014%10%$80,000$50,000$30,000 with Strike
$1M14%9%$160,000$90,000$70,000 with Strike
$5M14%7.49%$800,000$374,500$425,500 with Strike

Total year-1 cost includes annualized interest plus origination fees. Unchained: 2% origination fee. Rates sourced from each lender's public rate pages as of 2026-05-14.

Custody and Collateral Security

Unchained and Strike take fundamentally different approaches to collateral custody. Unchained uses Collaborative multisig (2-of-3). Multiple key holders must coordinate to move funds, reducing single-point-of-failure risk but still requiring trust in the key coordination process. Strike uses Custodial. Your Bitcoin is held by Strike and could be at risk in the event of a hack, insolvency, or regulatory action.

Unchained: Medium (Multisig)
  • Collaborative multisig (2-of-3)
  • Rehypothecation: No
  • Monthly interest payments
  • Commercial/institutional borrowers only since Jan 2024 — no consumer loans.
Strike: High (Custodial)
  • Custodial
  • Rehypothecation: No
  • Monthly interest payments
  • Monthly-payment interest rates shown (10.

Margin Call and Liquidation: Unchained vs. Strike

Unchained triggers margin calls at 67% LTV and liquidates at 83% LTV. Strike triggers margin calls at 70% LTV and liquidates at 85% LTV. Unchained gives borrowers 24 hours to respond, while Strike provides 72 hours.

ThresholdUnchainedStrike
Max Starting LTV50%50%
Margin Call67% LTV70% LTV
Margin Call Window24 hours72 hours
Liquidation83% LTV85% LTV

Safety Buffer Comparison

Unchained: 33.0 percentage point buffer between starting LTV (50%) and liquidation (83%). Strike: 35.0 percentage point buffer between starting LTV (50%) and liquidation (85%). Strike provides a wider safety margin.

Which is better: Unchained or Strike?

Choosing between Unchained and Strike requires evaluating total cost, custody risk, and which platform aligns with your borrowing profile. Unchained uses collaborative multisig (2-of-3) with 14%–15% APR, while Strike uses custodial with 7.49%–10.5% APR.

On a $500,000 loan, Strike costs $50,000 in the first year versus $80,000 at Unchained, a difference of $30,000. Part of Unchained's higher cost comes from its 2% origination fee, which adds $10,000 upfront on this loan size. Strike charges no origination fee, so the only cost is interest.

The custody difference is material. Unchained uses collaborative multisig (2-of-3), which means your Bitcoin requires multiple key holders to coordinate, reducing single-point-of-failure risk. Strike uses custodial. In a platform insolvency scenario, Unchained borrowers' collateral is protected by the multisig architecture, while Strike borrowers may face creditor claims.

Unchained is the better fit for borrowers who are borrowing $150,000 or more and want collaborative key control. Strike is the better fit for borrowers who are borrowing $10,000 or more and prefer this platform's specific features.

Key details to be aware of: Unchained: Commercial/institutional borrowers only since Jan 2024 — no consumer loans. Uses CTP ratio (inverse of LTV). Strike: Monthly-payment interest rates shown (10.5% = 11.

Frequently Asked Questions

Is Unchained or Strike cheaper for a $500,000 Bitcoin-backed loan?

Strike is cheaper. On a $500,000 loan held for 12 months, Unchained costs $80,000 (14% APR + 2% origination fee) while Strike costs $50,000 (10% APR). That is a $30,000 difference in the first year.

How does Unchained's custody model compare to Strike?

Unchained uses collaborative multisig (2-of-3). Strike uses custodial. Unchained presents lower custody risk because your collateral requires coordination among multiple key holders.

What is the minimum loan amount at Unchained vs Strike?

Unchained's minimum loan is $150,000. Strike's minimum is $10,000. Strike is more accessible for smaller borrowers.

What happens if Bitcoin drops while I have a loan with Unchained or Strike?

Unchained issues a margin call at 67% LTV with a 24-hour response window and liquidates at 83% LTV. Strike issues a margin call at 70% LTV with a 72-hour response window and liquidates at 85% LTV. Starting from a 50% LTV, Unchained provides a 33-point buffer before liquidation, while Strike provides a 35-point buffer.

Should I use Unchained or Strike for a Bitcoin-backed loan?

It depends on your priorities. Unchained (14%–15% APR, collaborative multisig (2-of-3), min $150,000) is better for borrowers who value collaborative multisig (2-of-3) and have larger borrowing needs. Strike (7.49%–10.5% APR, custodial, min $10,000) is better for borrowers who value custodial and prefer this platform's lending structure. Use the rate table and cost comparison above to model your specific scenario.

Other comparisons

Looking for a non-custodial alternative?

Lygos offers 10% APR, $0 origination fees, and DLC-secured collateral where rehypothecation is cryptographically impossible.

Unchained vs Strike: Bitcoin Loan Comparison | Lygos