What happens if you don’t repay a crypto loan?

DeFi loans liquidate your collateral, CeFi lenders sell it, and with no collateral the lenders take the loss. What a contract or a court can actually do.

TL;DR. What happens if you don't repay a crypto loan depends on what secures it. A collateralized DeFi (decentralized finance) loan usually has no due date: the collateral is liquidated once it no longer covers the debt with the protocol's safety margin. A centralized lender sells your collateral under the agreement you accepted. With no collateral there is nothing to seize, so the lenders who funded the loan take the loss and the unpaid loan stays on a public record. Anything further depends on whether a legal agreement and an identifiable borrower exist.

On this page (10 sections)
  1. What happens if you don't repay a crypto loan?
  2. Can you default on a collateralized DeFi loan such as Aave?
  3. What does a centralized crypto lender do if you don't repay?
  4. What can a smart contract do when a loan has no collateral?
  5. What are the real consequences of not repaying a loan with no collateral?
  6. Who loses money when a crypto loan is not repaid?
  7. Can a crypto lender come after you legally?
  8. Does not repaying a crypto loan affect your credit score?
  9. What can you do if you can't repay a crypto loan on time?
  10. Sources

What happens if you don't repay a crypto loan?

If you don't repay a crypto loan, the outcome depends on what secures it: collateral held by a smart contract is liquidated, collateral held by a company is sold under the loan agreement, and with no collateral the lenders who funded the loan take the loss. Collateral is an asset a borrower locks up so that the lender can take it if the debt is not paid, liquidation is the forced sale or transfer of that collateral, and default is the failure to repay on the agreed terms. A smart contract is a program on a blockchain that holds and moves funds by fixed rules, and CeFi is centralized finance, lending run by a company.

The common one-line answer, that you can lose part or all of your collateral (Experian, June 2025), is correct for collateralized loans and silent on the rest.

What happens if you don't repay, by loan type
Loan typeDue dateTriggerWhat happens nextBeyond that, the lender canWho takes any remaining loss
Over-collateralized DeFi pool loan (deposits pooled in one contract, collateral worth more than the loan), open-ended, Aave-styleNoHealth factor (discounted collateral value divided by debt) falls below 1Third-party liquidators repay debt and take collateral at a discountDo nothing in practicePool suppliers, or a backstop fund set aside for bad debt
Fixed-term collateralized on-chain loan (peer-to-peer, lender to borrower directly, NFTfi-style)YesDue date passes unpaidNothing until the lender acts. The lender can then foreclose and take the collateral from escrowDo nothing, unless side terms existThe lender, if collateral is worth less than the loan
Centralized (CeFi) collateralized loanVaries by productLoan-to-value limit (loan divided by collateral value) reached, or term expiresLate fees where allowed, then sale of collateralDepends on the contract and local lawThe lender
Institutional on-chain credit pool with no collateral held by the contract (as Maple and TrueFi ran in 2022, or Goldfinch v1)YesMissed payment plus grace periodLoan marked as defaulted or written downIssue a default notice, restructure, ask a court to appoint insolvency liquidatorsPool depositors, after any first-loss capital (funds that absorb losses first)
No-collateral, reputation-based peer-to-peer loan, isolated per loanYesDue date passes unpaidNothing is seized. The unpaid loan stays visible on-chainDepends on any agreement made outside the contractOnly the lenders who funded that loan

We work on the last row: the model we are building at Unlloo is a loan with no collateral, where the contract has nothing to seize.

This article is education, not financial, legal or tax advice. Loan terms and the law behind them vary by lender and jurisdiction.

Can you default on a collateralized DeFi loan such as Aave?

You cannot default on an open-ended collateralized DeFi loan such as an Aave loan in the usual sense, because the loan has no due date to miss. The position stays open until its health factor, the discounted value of the collateral divided by the debt, falls below 1, and then anyone can repay part or all of the debt and take collateral at a discount. Liquidation takes the place of default.

Aave's FAQ says: "There is no fixed time period to pay back the borrow position".

Take a hypothetical position with a health factor of 1.33 and no repayments. No date triggers anything: at a constant 5% a year, compounded annually, and an unchanged collateral price, interest alone would need just under six years to bring the health factor to 1. A 25% fall in the collateral's price does it at once.

Real thresholds differ by asset and protocol version: how DeFi loans work covers the mechanics. Liquidations happen at scale when prices fall: Decrypt reported on 6 February 2026 that roughly 3,300 users of Coinbase's Morpho-based loans had about $170 million of collateral liquidated in one week, a record for that product.

Fixed-term on-chain loans are the exception, because they have a due date. When a 3.5 ETH loan on NFTfi, a marketplace for loans against NFTs (unique tokens), went unpaid in 2021, the lender received the NFT, valued near $340,000 at the collection's floor price (The Block, 11 October 2021).

A liquidation does not appear to shut a borrower out. A 2025 study in Economics Letters of 25,798 Aave liquidations between March 2022 and December 2024 found that liquidated users generally kept using the protocol, with effects that varied between users, whereas in traditional finance a default often curtails future borrowing.

What does a centralized crypto lender do if you don't repay?

A centralized (CeFi) crypto lender follows the loan agreement you accepted: it typically notifies you, charges late fees where the terms allow, and sells enough of your collateral to cover what you owe. A centralized lender usually knows its customer and holds a contract with them, so whether it can also claim a shortfall beyond the collateral depends on that contract and on local law.

Ledn, for example, states (page updated 9 September 2026) that it sends notifications at 70% and 75% loan-to-value (LTV), the loan divided by the collateral's value, and liquidates automatically at or above 80%, and warns that a notification is not a guaranteed chance to act. Such a warning is often called a margin call.

Binance's loan FAQ says flexible-rate loans have no fixed expiry and so no concept of being overdue, while fixed-rate loans accrue an hourly late fee after expiry and are liquidated if unpaid for more than 24 hours.

What can a smart contract do when a loan has no collateral?

A smart contract can do very little when a loan with no collateral is not repaid. A contract can only move assets it holds or has been approved to spend, and an approval can be withdrawn by the wallet's owner, so a contract cannot count on taking anything from a borrower's wallet. A contract can block further borrowing, keep charging interest or a penalty rate, mark the loan as defaulted, and pass any late repayment to the lenders in proportion to what they funded.

Protocols that make, or have made, under-collateralized loans, loans backed by collateral worth less than the amount borrowed or by none that a contract can seize, encode non-payment in similar ways. Who can get such a loan is covered in crypto loans without collateral.

How three protocols encode non-payment
ProtocolTriggerWhat happens on-chainCaveat
Goldfinch v1 (default process docs)45 days of non-paymentThe loan enters default. Its value for senior pool investors, who are paid before the junior backers, is written down daily over 120 days, a writedown that reverses if repayments arriveThat v1 page describes Goldfinch's pools as fully collateralized with off-chain assets, which a contract cannot seize
Clearpool credit vaults (repayment and penalties docs)A missed repayment dateA 5-day grace period starts, during which penalty interest of 20% accrues on the total borrowed amountThe page does not say whether 20% is an annual rate, or what follows the grace period
Maple v2 at its launch (The Block, 14 December 2022)A pool delegate, the manager who underwrites a pool's loans, declares an early defaultThe loan becomes payable immediately. If unpaid after the grace period, the delegate can liquidate it, and all lenders in that pool realize the loss right away while recovery efforts continueMaple was then an uncollateralized lender. Its documentation today describes its loans as over-collateralized

Every row is bookkeeping or pricing, and none recovers money on its own: Goldfinch's page points investors to off-chain legal recourse. Our own list is just as short: record what was repaid and when, and route whatever comes back to that loan's lenders. Our earlier post on building under-collateralized loans lists what code cannot do.

Without collateral, a smart contract can record a default. It cannot cure one.

What are the real consequences of not repaying a loan with no collateral?

The real consequences of not repaying a loan with no collateral are a permanent public record, reduced access to future credit, and whatever recourse exists outside the contract. The unpaid loan is visible to every later lender, a reputation-based protocol can lower the borrower's standing, and if the borrower signed a legal agreement or is personally known to the lenders, the dispute continues off-chain.

On-chain reputation is a creditworthiness signal computed from a wallet's public blockchain history and identity attestations. A borrower can abandon the wallet, but the history cannot be moved: a fresh wallet starts near zero. In permissionless lending, which anyone with a wallet can join, lenders decline or price up a borrower with no record.

The deterrent is only as strong as the value of the reputation at stake, so reputation alone does not stop a borrower who never plans to borrow again, and lenders have to price that. The record is permanent, but standing can recover: we wrote in the anatomy of on-chain reputation that repayment history and new positive signals must be able to lift a wallet back, and that reputation is a probability adjustment, not a guarantee, which is one reason loans without collateral carry higher rates.

Who loses money when a crypto loan is not repaid?

When a crypto loan is not repaid, the borrower loses collateral first, and any remaining shortfall falls on the lenders who funded the loan. How far the shortfall spreads depends on the structure: in an over-collateralized pool the liquidated collateral normally covers the debt and lenders lose nothing, in a credit pool with no on-chain collateral that pool's depositors share the loss after any first-loss capital, and in an isolated loan only the lenders who chose that loan do.

Who bears the loss, by lending structure
StructureWho bears the shortfallSpreads to other markets?
Shared over-collateralized pool with a backstop (Aave with Umbrella)Stakers who lock that asset as cover. Their stake is cut (slashed) automatically once a deficit exceeds an offset that Aave's governance body, the Aave DAO, covers firstStaker risk is limited to that asset and network. Aave's Umbrella page does not say who bears a deficit larger than the stake, a question raised by an April 2026 incident on Aave
Per-market collateralized lending with a maturity date (Morpho Midnight)That market's lenders, proportionallyNo
Pool split into senior and junior tranches (layers repaid in order), with collateral held off-chain (Goldfinch v1)Backers in the junior tranche first, then the senior pool by writedownPartly: beyond that pool's backers, senior pool depositors share the writedown
Borrower-specific credit facility (Wildcat)Lenders in that borrower's facilityNo
Isolated per-loan crowd loan (one loan funded by many independent lenders)Only the lenders whose offers were accepted on that loanNo, there is no shared pool

The investing firm Orthogonal Trading's default on $36 million across eight Maple loans left remaining investors in the M11 USDC pool facing a hit of roughly 80% and those in the M11 WETH pool 17% (The Block, 5 December 2022). When Kinto, a network built on top of Ethereum that had borrowed through Wildcat, announced its shutdown in September 2025, its founder said lenders to that facility would recover 76% of principal, and Wildcat said no other lender would take a haircut (The Block, 8 September 2025). We found no reliable public data comparing recovery rates or recovery times across protocols, so we give none.

Isolation concentrates a loss instead of removing it. If a hypothetical 1,000 USDC loan with no collateral is funded by three lenders, the borrower repays 400 USDC and stops, and repayments are shared in proportion to what each lender funded, each lender loses 60% of their principal, before counting any interest owed. The same 600 USDC shortfall in a 100,000 USDC pool would cost every depositor 0.6%.

That is the trade-off we accepted for the crowd loan: a default stays with the lenders who chose that loan, because there is no shared pool to spread it across. Other structures do better on specific points: a pool spreads one default thinly across many depositors, and first-loss capital absorbs losses before lenders do. The lender's side, including that April 2026 incident, is covered in is it safe to lend crypto.

Can a crypto lender come after you legally?

A crypto lender can come after you legally where there is a legal agreement and a borrower it can identify or reach. A lending pool that knows a borrower only as a wallet address usually has little it can pursue beyond the collateral it already holds, while institutional on-chain lenders, which contract with known parties, have used default notices and court-appointed liquidators against defaulting borrowers.

  • Maple and Orthogonal Trading. After Orthogonal Trading defaulted on its Maple loans in December 2022, an update posted on 28 February 2023 on the forum of Nexus Mutual, a depositor in one affected pool, said a British Virgin Islands court had approved Maple's choice of liquidators, Kroll, who then controlled the borrower's assets.
  • TrueFi and Blockwater. TrueFi issued a notice of default to the investment firm Blockwater on 6 October 2022, with about $2.96 million of a 3.4 million BUSD loan outstanding (The Block, 10 October 2022).
  • A published process. 3Jane, which Alea Research described in March 2025 as uncollateralized lending, says on its legal recourse page that it takes a security interest under a signed agreement and perfects it by filing a UCC-1, a form a creditor files with a US state to give public notice of that interest. The page, which calls the debtor a merchant, then describes in-house collection, a possible auction of the unpaid debt to licensed US collections agencies after 60 days, and arbitration or court.

A court has acted on an on-chain loan even where one party was known only by a pseudonym: in Janesh s/o Rajkumar v Unknown Person ("CHEFPIERRE") [2022] SGHC 264, a borrower on NFTfi sued a lender who had foreclosed on a Bored Ape NFT. On 13 May 2022 the Singapore High Court granted an interim injunction against dealing with the NFT until trial, and allowed service through Twitter, Discord and the messaging function of the lender's wallet address. The order did not decide who was right about the loan.

Recourse depends on the loan agreement, the parties and the jurisdiction, and some of this law is young: Quinn Emanuel wrote in October 2021 that whether the US Uniform Commercial Code, under which a UCC-1 is filed, applies to DeFi transactions was an open question, which we cite for the question and not for the law today. Nothing in this section is legal advice.

Does not repaying a crypto loan affect your credit score?

Not repaying a crypto-backed loan usually does not affect a consumer credit score in the United States, the market our sources describe, because crypto-backed lenders often run no credit check and, by one lender's account, typically do not report to the consumer credit bureaus. A liquidation usually costs collateral, not credit standing. A lender that holds a signed agreement with an identified borrower can still send an unpaid debt to collections or to court, and the loan agreement is the place to check whether it reports to a bureau.

Experian says that in many cases a crypto lending platform runs no credit check. SALT Lending, a lender active in the United States, wrote on 13 July 2026 that its application involves no credit check or hard inquiry, that crypto-backed lenders typically do not report to the major consumer credit bureaus, and that a liquidation does not ordinarily bring the credit-report damage that defaulting on unsecured debt does.

Reading bureau data when underwriting is not the same as reporting to a bureau. 3Jane's documentation lists VantageScore 3.0 scores from TransUnion and Equifax among the inputs to its Jane Score, a credit score native to its protocol. Its Credit Slasher page says that 3Jane does not currently report to traditional credit bureaus, and that what is cut on default is the Jane Score, which lowers or removes future credit lines.

Credit reporting rules and lender practice differ by country and by lender. This section is education, not financial advice.

What can you do if you can't repay a crypto loan on time?

A borrower who cannot repay a crypto loan on time has more options before the liquidation point or the due date than after it. On a collateralized loan the options are adding collateral or repaying part of the debt, the two ways Aave's help center lists to move a position away from liquidation. On a fixed-term or no-collateral loan they are repaying part and asking the lender for an extension before the due date.

Lenders have agreed new terms before declaring a default: TrueFi restructured Blockwater's loan with a later maturity and weekly repayments before it issued its notice of default (The Block, 10 October 2022). An extension agreed outside the smart contract does not stop the contract from executing: by the borrower's account in the 2022 Singapore High Court case over an NFTfi loan, the lender agreed to a short extension, then changed his mind and foreclosed.

These are general options by loan type, not financial or legal advice. What a lender accepts depends on the loan agreement and the jurisdiction.

Sources

  1. Experian, "What Is a Crypto Loan and How Does It Work?", 20 June 2025. The common answer that a borrower can lose part or all of the collateral, and the statement that in many cases the platform runs no credit check.
  2. Aave Help, "Health Factor & Liquidations", 9 August 2024, read on 5 October 2026. Liquidation below a health factor of 1, permissionless liquidators, and the two ways to raise a health factor (the page predates Aave V4).
  3. Aave, "FAQs", undated, read on 5 October 2026. No fixed time period to repay a borrow position.
  4. Decrypt, "Coinbase's Crypto-Backed Loans Notch Record Liquidations Amid Bitcoin, Ethereum Plunge", 6 February 2026. About $170 million of collateral liquidated in a week across roughly 3,300 users, the most in the product's one-year history.
  5. The Block, "DeFi meets NFTs: How a lender received a $340,000 NFT after a loan wasn't repaid", 11 October 2021. The unpaid 3.5 ETH loan on NFTfi and the valuation from the collection's floor price.
  6. Gadzinski and Liuzzi, "Do liquidations discourage lending in DeFi?", Economics Letters, vol. 255, 2025. The study of 25,798 Aave liquidations from March 2022 to December 2024, continued use after liquidation, and effects that vary between users.
  7. Ledn, "Managing a Bitcoin-Backed Loan: LTV, Repayment and Renewal", page header dated 8 June 2026 with an update note of 9 September 2026. Notifications at 70% and 75% LTV, automatic liquidation at or above 80%, and the warning that a notification is not a guaranteed chance to act.
  8. Binance, "Binance Loans" FAQ, undated, read on 5 October 2026. Flexible-rate loans have no expiry; fixed-rate loans carry an hourly late fee and liquidation after more than 24 hours unpaid.
  9. Goldfinch Docs, "Default Process", undated, read on 5 October 2026. Default after 45 days, the 120-day writedown, the payment order between senior pool and backers, pools collateralized with off-chain assets, and off-chain legal recourse.
  10. Clearpool Docs, "Repayment and Penalties", undated, read on 5 October 2026. The 5-day grace period and 20% penalty interest on the total borrowed amount. The page does not say whether the rate is annual or what follows the grace period.
  11. The Block, "Maple Finance releases version 2.0 after $36 million default on platform", 14 December 2022, updated 16 December 2022. Early default declared by a pool delegate, liquidation after the grace period with losses realized right away while recovery efforts are pursued, and Maple described as an uncollateralized lender at the time.
  12. Maple Docs, "Welcome to Maple", undated, read on 5 October 2026. Maple's loans described today as fixed rate and over-collateralized.
  13. Aave Docs, "Umbrella", undated, read on 5 October 2026. Automatic slashing of staked assets to cover a deficit, after a configured per-asset offset covered by the DAO (100,000 USDT in the page's USDT example on that date), and staker risk limited to one asset and network.
  14. Galaxy Research, "KelpDAO/LayerZero Exploit Drains $290m, Freezes DeFi Markets", 22 April 2026. The April 2026 rsETH incident on Aave, in which a modeled shortfall was larger than Umbrella's cover and Galaxy named the DAO treasury, external commitments or pro rata haircuts for WETH suppliers as where the rest could fall.
  15. Morpho Docs, "Liquidation" (Midnight), undated, read on 5 October 2026. Liquidation after maturity, and bad debt shared proportionally by one market's lenders without touching other markets.
  16. The Block, "Crypto lending protocol Wildcat says Kinto default poses 'no risk of contagion' for outstanding loans", 8 September 2025. Recovery of 76% of principal as stated by Kinto's founder, and Wildcat's statement that the loss is limited to one facility.
  17. The Block, "Orthogonal Trading defaults on $36 million of loans on Maple Finance", 5 December 2022. Orthogonal Trading described as an investing firm, the default across eight loans, and the hit to each pool.
  18. Nexus Mutual forum, "M11 Credit wETH pool: updates and status reports", post of 28 February 2023. A forum update, by a poster whose role is not shown, saying liquidators from Kroll were approved by a British Virgin Islands court and control the borrower's assets.
  19. The Block, "South Korean firm Blockwater defaults on $3 million loan from TrueFi", 10 October 2022. The restructuring, the notice of default, the amount outstanding, and TrueFi described as an uncollateralized lending provider.
  20. 3Jane Docs, "Legal Recourse", undated, read on 5 October 2026. The security interest and UCC-1 filing, in-house collection, the auction to collections agencies after 60 days, arbitration and courts, and the page's use of "merchant" for the debtor.
  21. Cornell Law School, Legal Information Institute, "UCC Financing Statement", last reviewed January 2025. What a UCC-1 form is and the public notice it gives.
  22. Singapore High Court, Janesh s/o Rajkumar v Unknown Person ("CHEFPIERRE") [2022] SGHC 264, injunction granted 13 May 2022, grounds of decision 21 October 2022. The NFTfi loan, the extension and refinancing the lender agreed and then withdrew, the foreclosure, the interim injunction and service through social media.
  23. Quinn Emanuel, "Noted with Interest: DeFi and Potential Lender Liability", 7 October 2021. The question of whether the US Uniform Commercial Code applies to DeFi transactions.
  24. SALT Lending, "Do Bitcoin-Backed Loans Affect Your Credit Score? Credit Checks, Hard Inquiries, and What Lenders Actually Look At", 13 July 2026. No credit check or hard inquiry, crypto-backed lenders typically not reporting to the major US consumer credit bureaus, and liquidation not ordinarily damaging a credit report.
  25. 3Jane Docs, "Jane Score", undated, read on 5 October 2026. The Jane Score as a credit score native to the 3Jane protocol, with VantageScore 3.0 scores from TransUnion and Equifax among its inputs.
  26. 3Jane Docs, "Credit Slasher", undated, read on 5 October 2026. 3Jane's statement that it does not currently furnish to traditional credit bureaus, and the cut to the Jane Score on default.
  27. Alea Research, "3Jane - The Solution to Uncollateralized Lending? What You Need to Know", 12 March 2025. 3Jane described as uncollateralized lending.

Borrow on your reputation, or fund someone you trust.

Unlloo crowd loans are reputation-first and collateral-optional.