Maple Finance; Reviewed & Scored | The Block Note
Lending & Borrowing Protocol Review · Updated August 2026

Maple Finance:
the first protocol in this series where the real risk isn't the code.

We tore apart Maple Finance, an onchain institutional credit marketplace, across the same lending-adapted scorecard we've used throughout this series, adapted to reflect a genuinely different risk model than anything we've reviewed so far: undercollateralized lending to vetted institutional borrowers, where the primary danger is a borrower defaulting, not a smart contract being exploited. From a genuinely substantial, counter-cyclical scale, roughly $2.1-2.9 billion in TVL and $4.82 billion in disclosed assets under management as of August 2026, up 81% year-over-year while total DeFi TVL fell roughly 38%, and real, substantive reforms since 2022, first-loss capital now required from pool delegates, stricter underwriting, faster default workouts, and a public dashboard showing every loan's collateral ratio and tenor, to a real, severe history worth centering directly: in December 2022, Orthogonal Trading defaulted on roughly $36 million after misrepresenting its FTX exposure to its own pool delegate, leaving one lending pool, which had 80% of its capital concentrated in that single borrower, with an approximately 80% loss for depositors who couldn't exit in time. Named victims included Nexus Mutual and Sherlock, a DeFi insurer and a smart-contract auditor, both burned by credit risk rather than a code exploit. We also found a real, current legal dispute: a March 2026 Cayman Islands court injunction is blocking a planned $150M+ product launch amid an IP dispute; and landed on a score the marketing page won't show you.

Type Onchain Institutional Credit Marketplace (Under + Overcollateralized) Platforms Web · Ethereum, Solana, Arbitrum Rates Real loan interest, not token emissions Discount Offer None
maple
Institutional Credit Protocol
Dec 2022: $36M Orthogonal default, ~80% pool loss
Mar 2026: court injunction blocks syrupBTC

Our take, up front: Maple Finance is a genuinely different kind of protocol than everything else we've reviewed in this series, and we want to be direct about why before the scorecard: it's an onchain institutional credit marketplace, connecting USDC/USDT lenders with vetted institutional borrowers through pool delegates who underwrite each loan, historically without full collateral. That means Maple's primary risk isn't a smart-contract exploit, it's a borrower defaulting, a fundamentally different category of danger than anything Aave, Compound, Kamino, or the other non-custodial protocols in this series carry. Real, genuinely substantial, counter-cyclical scale: roughly $2.1-2.9 billion in TVL by DeFiLlama's on-chain methodology, and $4.82 billion in disclosed assets under management as of August 2026 (the gap reflects AUM counting Maple's full managed book versus TVL counting only what's directly measurable onchain), up 81% year-over-year while total DeFi TVL fell roughly 38% over the same period. Real, disclosed, genuinely substantive reforms since 2022: pool delegates are now required to post first-loss capital, giving them real skin in the game they didn't have before; stricter collateral requirements; faster default workout procedures; and a public dashboard showing every loan's collateral ratio and tenor. Real, disclosed shift toward significant overcollateralized lending (BTC, ETH, SOL) via in-house underwriting with segregated custody and a 24-hour margin-call process, alongside the original undercollateralized credit model. What we can't set aside: a real, severe, well-documented history. In December 2022, Orthogonal Trading defaulted on roughly $36 million after telling its own pool delegate, M11 Credit, that its FTX exposure was around $2.5 million in November, then disclosing it was substantially larger just weeks before FTX's collapse. One lending pool had concentrated 80% of its capital in Orthogonal alone, and depositors who couldn't exit in time absorbed roughly an 80% loss. Named victims included Nexus Mutual, a DeFi insurance protocol, and Sherlock, a smart-contract auditing platform, both burned by credit risk rather than a code exploit. We also found a real, current legal dispute worth naming directly: in March 2026, a Cayman Islands court granted an injunction blocking Maple from launching syrupBTC, a planned $150 million-plus product, amid allegations of misused confidential information from a joint development. A detailed, structured third-party risk assessment gives Maple a C- grade (52/100) as of early 2026, citing concentration risk and growth outpacing risk-infrastructure maturity directly. We also found a real, honest disclosure worth including: Maple's original MPL token now trades 99% below its high, while SYRUP, the token that actually receives protocol revenue, carries real, disclosed value. We weighted all of it below.

Real, severe, well-documented Dec 2022 default: Orthogonal Trading defaulted on ~$36M after misrepresenting its FTX exposure to its own pool delegate; one lending pool concentrated 80% of its capital in Orthogonal alone, leaving depositors who couldn't exit in time with an ~80% loss. Real, disclosed, genuinely substantive reforms since: pool delegates now post first-loss capital, stricter collateral requirements, faster default workouts, and a public dashboard showing every loan's collateral ratio and tenor. Real, disclosed "zero defaults through major [drawdowns]" claim for the rebuilt model since 2022, per a detailed source. What tempers this further: a real, current (Mar 2026) Cayman Islands court injunction blocking a planned product launch amid an IP dispute, and a real, structured third-party risk grade of C- (52/100) from a detailed source citing concentration risk directly.

Why this scores below the midpoint: genuine, substantive reform since 2022 is a real positive, but undercollateralized credit exposure is a structurally different, ongoing risk category than smart-contract risk, and the 2022 losses were severe enough, and concentrated enough, to weigh heavily even years later.

Pros

  • Pool delegates now post first-loss capital, a direct, disclosed response to the 2022 failure
  • Public dashboard discloses every loan's collateral ratio and tenor
  • "Zero defaults through major drawdowns" claimed for the rebuilt model since 2022

Cons

  • Dec 2022: ~$36M Orthogonal default; one pool suffered an ~80% loss from 80% single-borrower concentration
  • Named victims (Nexus Mutual, Sherlock) illustrate credit risk hits even sophisticated DeFi participants
  • Mar 2026: an active court injunction blocks a planned $150M+ product amid an IP dispute
  • A detailed third-party source assigns a C- (52/100) risk grade, citing concentration risk directly

Real, disclosed, genuinely substantial scale: roughly $2.1-2.9 billion in TVL by DeFiLlama's methodology, and $4.82 billion in disclosed AUM as of August 2026, the largest institutional lending venue in DeFi. Real, disclosed, genuinely notable counter-cyclical growth: up 81% year-over-year while total DeFi TVL fell roughly 38% over the same period. Real, disclosed, honestly explained AUM-vs-TVL methodological gap, rather than either figure being presented as the sole truth.

Why this scores well: genuinely substantial, counter-cyclical scale with an honestly disclosed measurement discrepancy rather than a misleadingly simplified single figure.

Pros

  • Largest institutional lending venue in DeFi by disclosed AUM
  • 81% YoY growth during a period when total DeFi TVL fell ~38%

Cons

  • AUM and TVL figures differ meaningfully depending on methodology, requiring care when citing either

Real, disclosed pool-delegate model where credit specialists underwrite loans, now required to post first-loss capital, a genuine, disclosed reform directly responding to 2022's failure. Real, disclosed, credible founding team with genuine TradFi credentials (Sid Powell, formerly of National Australia Bank). What tempers this: real, disclosed governance judgment failures documented directly in 2022, pool delegate M11 Credit allowed a troubled borrower's loan maturities to be extended twice rather than declaring default, drawing direct, quoted community criticism at the time. A real, current legal dispute (the Core Foundation injunction) also reflects an ongoing governance/IP conflict.

Why this scores below the midpoint: genuine reform and credible leadership are real positives, tempered by a real, disclosed history of delegate judgment failure and an ongoing legal dispute.

Pros

  • Delegates now post first-loss capital, a direct, disclosed governance reform
  • Credible, named founding team with genuine institutional finance credentials

Cons

  • 2022: a pool delegate allowed repeated maturity extensions rather than declaring default, drawing direct community criticism
  • An active Cayman Islands court injunction reflects an ongoing legal/governance dispute

Real, disclosed dual model: overcollateralized loans backed by BTC, ETH, or SOL alongside vetted undercollateralized institutional credit, a genuinely distinctive combination relative to the purely overcollateralized protocols reviewed earlier in this series. Real, disclosed multi-chain support across Ethereum, Solana, and Arbitrum.

Why this scores above the midpoint: a genuinely distinctive dual-model approach broadens real options beyond pure overcollateralized lending, tempered by the fact that the undercollateralized side carries the category's defining risk.

Pros

  • Genuinely distinctive dual overcollateralized/undercollateralized model
  • Multi-chain support across Ethereum, Solana, and Arbitrum

Cons

  • The undercollateralized side is precisely where the 2022 losses originated

Real, disclosed genuinely distinctive syrupUSDC, syrupUSDT, and syrupUSDG products, permissionless and composable, letting retail users access institutional credit yield without going through traditional KYC pool gates. Real, disclosed public dashboard showing every loan's collateral ratio and tenor, a genuinely strong transparency practice for a credit product.

Why this scores well: a genuinely distinctive, accessible product design paired with real, disclosed loan-level transparency most credit platforms don't offer.

Pros

  • Permissionless syrup tokens open institutional credit yield to retail without KYC pool gates
  • Public, loan-level dashboard (collateral ratio, tenor) for every active loan

Cons

  • Understanding the real credit risk behind a syrup token requires more diligence than a simple swap or deposit

Real, disclosed yield derived from actual loan interest rather than token emissions, a genuinely substantive yield source. Real, disclosed, honest, stark token-value discrepancy: the original MPL token trades roughly 99% below its high, while SYRUP, the token that actually receives protocol revenue, carries a real, disclosed $244 million market cap.

Why this scores at the midpoint: genuinely real, substantive yield sourcing is a positive, tempered by an honestly disclosed but stark legacy-token value collapse.

Pros

  • Yield sourced from real loan interest, not token emissions
  • SYRUP carries real, disclosed value tied to actual protocol revenue

Cons

  • Legacy MPL token trades roughly 99% below its all-time high

Real, disclosed diverse product suite: syrupUSDC, syrupUSDT, syrupUSDG, and Maple Direct's in-house-underwritten overcollateralized lending. Real, disclosed expansion plans, including syrupBTC, though that specific product is currently blocked by active litigation.

Pros

  • Diverse, disclosed product suite spanning multiple stablecoins and an overcollateralized line

Cons

  • A planned flagship expansion (syrupBTC) is currently blocked by an active court injunction
Where to get it

Access only through Maple's official app, and treat a syrup token as a credit position, not a simple deposit.

Given that undercollateralized credit risk, not smart-contract risk, is the primary danger here, review the public loan-level dashboard before depositing into any pool, understand exactly how concentrated that specific pool's exposure is to any single borrower, and size your position the way you would any real-world credit investment, not a fully collateralized DeFi deposit.

0/ 100

Real reform after a real failure, but credit risk doesn't get audited away the way a bug does.

We want to give Maple real credit for taking 2022 seriously: requiring delegates to post first-loss capital is a genuine, structural fix directly targeting the exact failure mode that let Orthogonal Trading concentrate 80% of one pool's capital without consequence for the delegate who allowed it. The public, loan-level dashboard is a real, disclosed transparency practice most credit platforms don't offer. But we think there's a meaningful difference between a protocol that patches a smart-contract bug and one that reforms its underwriting process, and it's this: a code fix can be tested and verified by an audit; an underwriting process can only be tested by outcomes over time, and Maple's current growth rate means it's underwriting more, and faster, than it ever has before. We don't think that makes a repeat of 2022 likely. We do think it means the real risk in this protocol was never really about code, and reviewing it as if smart-contract audits were the main story would miss the point entirely.

Best forSophisticated users who understand credit risk, want institutional-grade yield, and are willing to review individual loan concentration before depositing
Not forAnyone who wants a lending platform where deposits are backed by verifiable, liquid, onchain collateral at all times
Score Ledger
maple finance · 7 line items
01Security15.0
02Liquidity15.0
03Decentralization8.25
04Assets7.0
05UX7.5
06Rates6.0
07Extras3.25
TOTAL62.0
≈ 62 / 100; Reformed, but credit risk persists

The scorecard above is deliberately general. Whether Maple Finance is right for you depends heavily on which of these you already are.

Best fit

The sophisticated user who understands credit risk and wants genuine institutional-grade yield backed by real loan interest

This is exactly where Maple's distinctive, real-revenue-backed model delivers value most pure-emission yield products can't match.

Good fit

The user who specifically wants overcollateralized BTC/ETH/SOL-backed loans through Maple Direct's in-house underwriting

This more conservative product line offers real collateral backing distinct from the undercollateralized credit pools.

Workable fit

The depositor who reviews the public loan-level dashboard and checks concentration risk before choosing a pool

Given exactly what caused the 2022 losses, this specific habit genuinely matters here more than on collateral-verified protocols.

Poor fit

Anyone who wants deposits backed by verifiable, liquid, onchain collateral at all times

Aave, Compound, and Kamino, all reviewed earlier in this series, offer that specific guarantee in a way Maple's undercollateralized credit doesn't.

The scorecard covers the headline judgment calls. These four tables cover the specifics we didn't want to bury in prose; the December 2022 default timelined precisely, what changed since then, the AUM-vs-TVL discrepancy explained, and our eleventh lending-protocol comparison entry.

December 2022, timelined

DateEvent
Nov 2022Orthogonal Trading tells pool delegate M11 Credit its FTX exposure is roughly $2.5 million
Dec 3, 2022Orthogonal discloses its actual FTX exposure was substantially larger
Dec 5, 2022Orthogonal is removed as a pool manager amid allegations of misrepresenting its financials
Dec 2022Orthogonal defaults on ~$36M across 8 positions; ~$31M sat in the M11 USDC pool
Dec 2022The M11 USDC pool, which had concentrated 80% of its capital in Orthogonal, absorbs an ~80% loss for remaining lenders

A separate, earlier July 2022 default (Babel Finance, $10M, a different Orthogonal-managed pool) resulted in only a 3.8% haircut, illustrating precisely how pool size and concentration determine loss severity.

What changed since 2022

BeforeAfter
Delegate capital at riskNone; delegates bore no direct loss from bad underwritingDelegates must post first-loss capital
Collateral requirementsUndercollateralized credit onlyStricter requirements, plus a significant overcollateralized (BTC/ETH/SOL) product line
Default handlingDelegates could grant repeated maturity extensions instead of declaring defaultFaster, disclosed default workout procedures
TransparencyLimited visibility into individual loan healthPublic dashboard showing every loan's collateral ratio and tenor

These are genuine, disclosed structural reforms directly responding to specific 2022 failures, not a general rebrand; we think that distinction matters and wanted to show it precisely.

Why AUM and TVL don't match

MetricFigure (Aug 2026)What it measures
AUM (Maple's own disclosure)$4.82 billionThe full book Maple manages across all products
TVL (DeFiLlama methodology)~$2.9 billionOnly the portion directly measurable via onchain contract data

Citing one figure against a different protocol's other measure is a common way comparisons in this sector go wrong; we've kept them separate rather than picking whichever makes for a bigger headline.

Lending protocols, side by side (series continues)

AaveCompoundCoinRabbitKaminoBinance LoansMorphoNexoSparkLendEulerJupiter LendMaple
Primary risk typeSmart contract / third-partySmart contractCustody/transparencySmart contractRegulatory/custodySmart contractCustody/regulatorySmart contractSmart contractSmart contractCredit/counterparty
Collateral modelOvercollateralizedOvercollateralizedOvercollateralizedOvercollateralizedOvercollateralizedOvercollateralizedOvercollateralizedOvercollateralizedOvercollateralizedOvercollateralizedBoth, dual model
Most severe disclosed history$292M bridge exploit$161.7M governance bugTransparency gapsNone found$4.3B DOJ settlement$18M vault loss$500K CA penaltyNone found$197-240M exploit, recoveredNone on contracts~$50-54M in 2022 defaults

Maple is the only protocol in this series where "collateral model" itself is the headline risk factor, rather than a secondary consideration behind smart-contract or custody risk.

We don't just want to hand you our number; we want to show you how it sits next to what other review desks and comparison sites have published. We're including Hindenrank's structured C- (52/100) risk grade directly in this comparison, since its methodology and scale are similar enough to ours to be genuinely useful context, alongside more favorable general reviews.

The Block Note (us)N/A / 100
Industry averageN/A / 100

Our score lands modestly below the aggregated industry average; most general reviews we found emphasize the counter-cyclical growth and post-2022 reforms favorably, while at least one structured, critical source (Hindenrank) scores Maple meaningfully lower than the general average, closer to our own assessment.

SourceScoreType

Scores compiled by our editorial team from publicly available reviews as of August 2026. "Editorial estimate" means the outlet didn't publish a single numeric score, so we converted their published verdict and sentiment into a comparable 100-point figure. Verify current figures directly with each source before citing them elsewhere.

No confirmed smart-contract hack; a detailed source describes Maple's contracts as well-audited. The real, disclosed risk here is credit default, not a code exploit, and Maple experienced a severe one in December 2022 when Orthogonal Trading defaulted on roughly $36 million.

Orthogonal misrepresented its FTX exposure to its own pool delegate, M11 Credit, then disclosed the real, much larger exposure shortly before FTX's collapse. It defaulted on ~$36 million, and one pool that had concentrated 80% of its capital in Orthogonal alone absorbed an ~80% loss for remaining depositors.

Pool delegates must now post first-loss capital, giving them direct financial skin in the game. Maple also introduced stricter collateral requirements, faster default workout procedures, a public loan-level dashboard, and a significant overcollateralized lending line backed by BTC, ETH, or SOL.

A permissionless, composable token that packages Maple's institutional credit yield for retail users, letting them hold exposure without going through traditional KYC pool gates. syrupUSDT and syrupUSDG offer similar exposure in other stablecoins.

Roughly $2.1-2.9 billion by DeFiLlama's on-chain TVL methodology, and $4.82 billion in disclosed assets under management as of August 2026; the gap reflects AUM counting the full managed book versus TVL counting only the directly measurable on-chain portion.

In March 2026, a Cayman Islands court granted an injunction blocking Maple from launching syrupBTC, a planned $150 million-plus product, after Core Foundation alleged misuse of confidential information from a joint lstBTC development.

MPL was Maple's original governance token and now trades roughly 99% below its all-time high. SYRUP is the newer token that actually receives protocol revenue and carries a real, disclosed $244 million market cap.

Aave and Compound require full collateral for every loan, so the primary risk is smart-contract or oracle failure. Maple's undercollateralized credit model means the primary risk is a borrower defaulting, a fundamentally different kind of exposure that persists even with well-audited code.

Affiliate & editorial disclosure: This page may contain affiliate links. If you buy through one, we may earn a commission at no extra cost to you. That relationship does not influence the category weightings or scores above; those are set by our editorial methodology before any offer is placed. Decentralized exchanges reduce custodial risk but do not eliminate risk: smart-contract, bridge, oracle, validator, and market-structure risk remain real regardless of how "decentralized" a platform's marketing describes it as. Leverage trading can result in losses exceeding your initial deposit. Nothing here is financial advice.
Features, pricing, and security details verified against public sources as of Aug 2026; always confirm current terms directly with Maple Finance.

More Reviews