Bitcoin Loan Comparison

Strike vs. Firefish

Strike charges 7.49%–10.5% APR with $0 origination fees using custodial. Firefish charges ≈7%–13% (P2P) APR with a 1.5% origination fee using non-custodial escrow (3-of-3 pre-signed transactions). See the full breakdown of rates, thresholds, and custody risk below.

Rates verified 2026-06-09

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

Strike offers a lower headline rate at 7.49%–10.5% compared to Firefish's ≈7%–13% (P2P). On a $1M loan held for 12 months, Strike saves $34,000 in total first-year cost (interest plus origination fees). From a custody perspective, Firefish presents lower counterparty risk with its non-custodial escrow (3-of-3 pre-signed transactions) model.

Strike vs. Firefish: Feature-by-Feature Comparison

Strike
Firefish
Interest Rate (APR)
7.49%–10.5%Strike
≈7%–13% (P2P)
Origination Fee
$0Strike
1.5%
Max Starting LTV
50%
50%
Margin Call Threshold
70% LTV
73% LTVFirefish
Liquidation Threshold
85% LTV
95% LTVFirefish
Margin Call Window
72 hoursStrike
Threshold-based
Custody Model
Custodial
Non-custodial escrow (3-of-3 pre-signed transactions)Firefish
Rehypothecation
No
No
Interest Payment
Monthly
At maturity
Minimum Loan
$10,000
$1,000Firefish

APR by Loan Size: Strike vs. Firefish

Strike offers tiered rates that decrease with larger loan amounts, while Firefish charges a flat rate regardless of loan size. Total year-1 cost includes both annualized interest and any origination fees charged upfront.

Loan SizeStrike APRFirefish APRStrike Total Year-1 CostFirefish Total Year-1 CostSavings
$100,00010.5%10.9%$10,500$12,400$1,900 with Strike
$250,00010%10.9%$25,000$31,000$6,000 with Strike
$500,00010%10.9%$50,000$62,000$12,000 with Strike
$1M9%10.9%$90,000$124,000$34,000 with Strike
$5M7.49%10.9%$374,500$620,000$245,500 with Strike

Total year-1 cost includes annualized interest plus origination fees. Firefish: 1.5% origination fee. Firefish rates are set by the lending marketplace; the table uses a representative recent rate. Rates sourced from each lender's public rate pages as of 2026-06-09.

Custody and Collateral Security

Strike and Firefish take fundamentally different approaches to collateral custody. Strike uses Custodial. Your Bitcoin is held by Strike and could be at risk in the event of a hack, insolvency, or regulatory action. Firefish uses Non-custodial escrow (3-of-3 pre-signed transactions). Your Bitcoin is locked on the Bitcoin blockchain in a smart contract. Neither Firefish nor any third party can access or move your collateral.

Strike: High (Custodial)
  • Custodial
  • Rehypothecation: No
  • Monthly interest payments
  • Monthly-payment interest rates shown (10.
Firefish: Low (Non-Custodial)
  • Non-custodial escrow (3-of-3 pre-signed transactions)
  • Rehypothecation: No
  • At-maturity interest payments
  • European P2P marketplace (EUR, CZK, CHF, PLN fiat + USDC) — rates set by investor supply and demand, typically ~7-13% (advertised 'from 5%').

Margin Call and Liquidation: Strike vs. Firefish

Strike triggers margin calls at 70% LTV and liquidates at 85% LTV. Firefish triggers margin calls at 73% LTV and liquidates at 95% LTV. Strike gives borrowers 72 hours to respond to a margin call. Firefish uses threshold-based triggers without a fixed response window.

ThresholdStrikeFirefish
Max Starting LTV50%50%
Margin Call70% LTV73% LTV
Margin Call Window72 hoursThreshold-based
Liquidation85% LTV95% LTV

Safety Buffer Comparison

Strike: 35.0 percentage point buffer between starting LTV (50%) and liquidation (85%). Firefish: 45.0 percentage point buffer between starting LTV (50%) and liquidation (95%). Firefish provides a wider safety margin.

Which is better: Strike or Firefish?

Choosing between Strike and Firefish requires evaluating total cost, custody risk, and which platform aligns with your borrowing profile. Strike uses custodial with 7.49%–10.5% APR, while Firefish uses non-custodial escrow (3-of-3 pre-signed transactions) with ≈7%–13% (P2P) APR.

On a $250,000 loan, Strike costs $25,000 in the first year versus $31,000 at Firefish, a difference of $6,000. Part of Firefish's higher cost comes from its 1.5% origination fee, which adds $3,750 upfront on this loan size. Strike charges no origination fee, so the only cost is interest.

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

Strike is the better fit for borrowers who are borrowing $10,000 or more and are comfortable with custodial lending. Firefish is the better fit for borrowers who need smaller loans or more flexible access.

Key details to be aware of: Strike: Monthly-payment interest rates shown (10.5% = 11. Firefish: European P2P marketplace (EUR, CZK, CHF, PLN fiat + USDC) — rates set by investor supply and demand, typically ~7-13% (advertised 'from 5%'). 1.

Frequently Asked Questions

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

Strike is cheaper. On a $500,000 loan held for 12 months, Strike costs $50,000 (10% APR) while Firefish costs $62,000 (10.9% APR + 1.5% origination fee). That is a $12,000 difference in the first year.

How does Strike's custody model compare to Firefish?

Strike uses custodial. Firefish uses non-custodial escrow (3-of-3 pre-signed transactions). Firefish presents lower custody risk because your collateral requires coordination among multiple key holders.

What is the minimum loan amount at Strike vs Firefish?

Strike's minimum loan is $10,000. Firefish's minimum is $1,000. Firefish is more accessible for smaller borrowers.

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

Strike issues a margin call at 70% LTV with a 72-hour response window and liquidates at 85% LTV. Firefish issues a margin call at 73% LTV (threshold-based, no fixed window) and liquidates at 95% LTV. Starting from a 50% LTV, Strike provides a 35-point buffer before liquidation, while Firefish provides a 45-point buffer.

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

It depends on your priorities. Strike (7.49%–10.5% APR, custodial, min $10,000) is better for borrowers who value custodial and have larger borrowing needs. Firefish (≈7%–13% (P2P) APR, non-custodial escrow (3-of-3 pre-signed transactions), min $1,000) is better for borrowers who value non-custodial escrow (3-of-3 pre-signed transactions) and need smaller loan access. 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.

Strike vs Firefish: Bitcoin Loan Comparison | Lygos