Choosing between Arch and Strike requires evaluating total cost, custody risk, and which platform aligns with your borrowing profile. Arch uses custodial (anchorage, qualified custodian) with 8.49%–11% APR, while Strike uses custodial (proof-of-reserves for 50+ btc) with 7.49%–10.5% APR.
On a $250,000 loan, Strike costs $23,750 in the first year versus $31,250 at Arch, a difference of $7,500. Part of Arch'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.
Both platforms use similar custody approaches. Arch operates via custodial (anchorage, qualified custodian), and Strike uses custodial (proof-of-reserves for 50+ btc). Neither platform rehypothecates borrower collateral.
Arch is the better fit for borrowers who need smaller loans or instant access. 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: Arch: Proactive pre-threshold alerts before MC triggers. Partial liquidation sells minimum to restore 60% LTV, 2% liquidation fee. Strike: 0.79% fee if repaying with BTC collateral, 0.