0% APR Crypto Loans: A Flow Analysis of LTV, Terms, and Effective Costs

True 0% APR crypto loans are a promotional myth. The advertised rate is rarely the total cost. The key drivers are origination fees and the type of collateral you pledge. For instance, Arch Lending's tiered pricing for loans between $5,000 and $250,000 shows a clear spread: a base rate of 10.35% with a 1.49% origination fee results in an effective APR range of 8.49% to 11.84%.

This fee structure creates a significant divergence based on collateral. Bitcoin loans are the most competitive, with Arch Lending offering rates down to 7% for very large loans. In contrast, altcoin collateral like Ethereum commands a premium, leading to a much higher effective cost. The market's fragmentation means borrowers must look beyond the headline rate to see the real price.

The bottom line is that effective APR, which includes all fees, is the only metric that matters. A platform quoting a low interest rate but charging a hefty origination fee can end up being more expensive than a competitor with a higher stated rate and zero fees. Always calculate the effective cost to compare apples to apples.

LTV Conditions: The Primary Differentiator in Risk and Leverage

The Loan-to-Value (LTV) ratio is the most critical factor in crypto lending, directly dictating both leverage and liquidation risk. For regulated, Bitcoin-only platforms, the LTV cap is typically tight, ranging from 50% to 60%. This means a borrower with $50,000 in BTC collateral can only access $25,000 to $30,000 in loans.

In contrast, DeFi protocols operate on a different risk model, allowing significantly higher LTVs. Platforms can support up to 75% LTV, enabling borrowers to leverage their collateral more aggressively. This higher efficiency comes with a clear cost: the liquidation threshold is much lower. At 75% LTV, a 25% drop in collateral value triggers a margin call, compared to a 50% drop at 50% LTV. This makes DeFi borrowing more volatile and risky for the borrower.

Minimum loan size requirements act as a flow filter, excluding smaller retail participants from the best rates. Platforms like Arch Lending and Strike enforce a $5,000 minimum, while Ledn starts at $500 and Lava at $100. This creates a tiered market where the largest borrowers, who can meet these thresholds, receive the most favorable terms. For the average retail user, the effective cost of borrowing is often higher due to these structural barriers.

Cost Structures and Platform Economics: Where Flow Is Directed

The fee models reveal where capital and borrower activity are concentrated. Origination fees are a direct cost that reduces net proceeds. For example, Arch Lending's 1.49% origination fee on a $100,000 loan means the borrower receives only $98,510 upfront. This fee structure, combined with tiered pricing, funnels the largest loan volumes to platforms that can offer the most competitive effective APRs, creating a concentration effect.

Early repayment penalties act as a flow lock-in mechanism. APX Lending's rule requiring borrowers to pay the first three months' interest if exiting early discourages short-term borrowing and encourages longer commitments. This design favors platforms with stable, predictable cash flows and makes them less attractive for borrowers seeking flexibility, further concentrating activity among those who plan to hold loans to term.

The economics contrast CeFi and DeFi models. Regulated CeFi platforms like Arch Lending and Strike offer transparent terms with clear collateral limits (typically BTC/ETH only) and lower LTVs, directing flow to the most liquid and stable assets. DeFi protocols support broader collateral but carry higher counterparty risk. This creates a bifurcated market where the highest volume and most efficient capital flow is concentrated in BTC and ETH, regardless of the platform type.