Bitcoin Loan Comparison

Nexo vs. Aave

Nexo charges 10.9%–17.9% APR with $0 origination fees using custodial. Aave charges ~4.4% (variable) APR with $0 origination fees using smart contract (wrapped btc via custodial bridge). See the full breakdown of rates, thresholds, and custody risk below.

Rates verified 2026-06-09

How do Nexo and Aave compare for Bitcoin-backed loans?

Aave advertises a lower headline rate at ~4.4% (variable) compared to Nexo's 10.9%–17.9%. However, Nexo's lowest rates require loyalty tier qualifications, and most borrowers pay significantly more than the headline rate. On a $1M loan held for 12 months, Aave saves $95,000 in total first-year cost (interest plus origination fees). From a custody perspective, Aave presents lower counterparty risk with its smart contract (wrapped btc via custodial bridge) model.

Nexo vs. Aave: Feature-by-Feature Comparison

Nexo

Aave

Interest Rate (APR)

10.9%–17.9%

~4.4% (variable)Aave

Origination Fee

Max Starting LTV

50%

73%Aave

Margin Call Threshold

71.4% LTVNexo

None — liquidation at 78% LTV

Liquidation Threshold

83.33% LTVNexo

78% LTV

Margin Call Window

Threshold-basedNexo

None — automated liquidation

Custody Model

Custodial

Smart contract (wrapped BTC via custodial bridge)Aave

Rehypothecation

Yes

NoAave

Interest Payment

Capitalized

Minimum Loan

$50

No minimumAave

APR by Loan Size: Nexo vs. Aave

Nexo's rates depend on loyalty tier (token holdings), not loan size. The table below shows the rate most borrowers actually pay at each tier. Total year-1 cost includes both annualized interest and any origination fees charged upfront.

Loan Size	Nexo APR	Aave APR	Nexo Total Year-1 Cost	Aave Total Year-1 Cost	Savings
$100,000	13.9%	4.4%	$13,900	$4,400	$9,500 with Aave
$250,000	13.9%	4.4%	$34,750	$11,000	$23,750 with Aave
$500,000	13.9%	4.4%	$69,500	$22,000	$47,500 with Aave
$1M	13.9%	4.4%	$139,000	$44,000	$95,000 with Aave
$5M	13.9%	4.4%	$695,000	$220,000	$475,000 with Aave

Total year-1 cost includes annualized interest plus origination fees. Aave rates are variable; 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

Nexo and Aave take fundamentally different approaches to collateral custody. Nexo uses Custodial. Your Bitcoin is held by Nexo and could be at risk in the event of a hack, insolvency, or regulatory action. Nexo also rehypothecates deposited assets, meaning your collateral may be lent to third parties. Aave holds collateral in audited smart contracts rather than with a single lender, but borrowing requires wrapped Bitcoin (WBTC or cbBTC) — your underlying BTC is held by the wrapper's custodian (BitGo/BiT Global for WBTC, Coinbase for cbBTC), reintroducing custodial bridge risk. Smart-contract and oracle risk also apply.

Nexo: High (Custodial)

•Custodial
•Rehypothecation: Yes
•Interest capitalized (compounding)
•Standard tiers: Base 17.

Aave: Medium (Smart Contract + Bridge)

•Smart contract (wrapped BTC via custodial bridge)
•Rehypothecation: No
•Interest capitalized (compounding)
•DeFi money market — rates are variable and utilization-driven: USDC borrow against WBTC/cbBTC has ranged ~3.

Margin Call and Liquidation: Nexo vs. Aave

Nexo triggers margin calls at 71.4% LTV and liquidates at 83.33% LTV. Aave has no margin-call mechanism: positions become liquidatable automatically the moment LTV crosses 78%, with no warning threshold or response window.

Threshold	Nexo	Aave
Max Starting LTV	50%	73%
Margin Call	71.4% LTV	None
Margin Call Window	Threshold-based	None — automated liquidation
Liquidation	83.33% LTV	78% LTV

Safety Buffer Comparison

Nexo: 33.3 percentage point buffer between starting LTV (50%) and liquidation (83.33%). Aave: 5.0 percentage point buffer between starting LTV (73%) and liquidation (78%). Nexo provides a wider safety margin.

Which is better: Nexo or Aave?

Choosing between Nexo and Aave requires evaluating total cost, custody risk, and which platform aligns with your borrowing profile. Nexo uses custodial with 10.9%–17.9% APR, while Aave uses smart contract (wrapped btc via custodial bridge) with ~4.4% (variable) APR.

On a $250,000 loan, Aave costs $11,000 in the first year versus $34,750 at Nexo, a difference of $23,750. Aave charges no origination fee, so the only cost is interest.

The custody difference is material. Aave uses smart contract (wrapped btc via custodial bridge), which means your Bitcoin requires multiple key holders to coordinate, reducing single-point-of-failure risk. Nexo uses custodial and rehypothecates deposited assets, meaning your collateral may be lent to third parties while your loan is active. In a platform insolvency scenario, Aave borrowers' collateral is protected by the multisig architecture, while Nexo borrowers may face creditor claims.

Nexo is the better fit for borrowers who need smaller loans or instant access. Aave is the better fit for borrowers who need smaller loans or more flexible access.

Key details to be aware of: Nexo: Standard tiers: Base 17.9% / Silver 15. Aave: DeFi money market — rates are variable and utilization-driven: USDC borrow against WBTC/cbBTC has ranged ~3.5-5.

Frequently Asked Questions

Is Nexo or Aave cheaper for a $500,000 Bitcoin-backed loan?

Aave is cheaper. On a $500,000 loan held for 12 months, Nexo costs $69,500 (13.9% APR) while Aave costs $22,000 (4.4% APR). That is a $47,500 difference in the first year.

How does Nexo's custody model compare to Aave?

Nexo uses custodial and rehypothecates deposited assets. Aave uses smart contract (wrapped btc via custodial bridge). Aave presents lower custody risk because your collateral requires coordination among multiple key holders.

What is the minimum loan amount at Nexo vs Aave?

Nexo's minimum loan is $50. Aave has no minimum. Aave is more accessible for smaller borrowers.

What happens if Bitcoin drops while I have a loan with Nexo or Aave?

Nexo issues a margin call at 71.4% LTV (threshold-based, no fixed window) and liquidates at 83.33% LTV. Aave has no margin call — positions are liquidated automatically the moment LTV crosses 78%. Starting from a 50% LTV, Nexo provides a 33-point buffer before liquidation, while Aave provides a 28-point buffer.

Should I use Nexo or Aave for a Bitcoin-backed loan?

It depends on your priorities. Nexo (10.9%–17.9% APR, custodial, min $50) is better for borrowers who value custodial and need smaller loan access. Aave (~4.4% (variable) APR, smart contract (wrapped btc via custodial bridge), no minimum) is better for borrowers who value smart contract (wrapped btc via custodial bridge) and need smaller loan access. Use the rate table and cost comparison above to model your specific scenario.

Other comparisons

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Understand the key terms

Rehypothecation Discreet Log Contracts Custodial vs. Non-Custodial LTV Ratio Margin Call Counterparty Risk

See loan scenarios

$100K Loan $500K Loan $1M Loan Borrow Against 10 BTC

Looking for a non-custodial alternative?

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

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