StablR USD USDR
Quick Answer

Is StablR USD halal?

StablR USD is classified as doubtful (mashbooh), with a Shariah compliance score of 50.8/100 under our 27-point screening methodology.

Overall50.8Mashbooh · Doubtful · Risky
Riba49.4Mashbooh
Gharar50.9Mashbooh
Maysir52.7Mashbooh
50.849.4RIBA50.9GHARAR52.7MAYSIR
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RibaSharia pillar · 49.4/100 · Review · 10 criteria

Mashbooh. Prohibition of guaranteed, time-based returns on money.

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Core Protocol Business80
Transaction Fees50
Treasury Assets30
Revenue Model35
Protocol Revenue35
Interest Assessment55
Rewards Distribution80
Asset Backing30
Islamic Contract Classification0
Rewards Structure0
How USDR compares
AllUnity EUR
76.7
Pax Dollar
66.4
Liquity USD
65.5
Quantoz USDQ
63.7
StablR USD (USDR)
50.8

Compare directly: vs Quantoz USDQ · vs AllUnity EUR · vs Pax Dollar

Purify your profits from USDR

A portion of profit from USDR isn't fully yours to keep — here's how to return it

What does "purification" mean?

Even fully screened assets can pick up small amounts of tainted income along the way — purification means giving that specific portion back, not paying extra.

Based on StablR USD's riba, gharar and maysir screening — see how we calculate purification amounts.

Overseen by Imam Omar Siddiqi, Shariah scholar and Imam of JMIC, among others, with donations paid directly to Jamiya Masjid & Islamic Centre — UK registered charity no. 1089986. Sent wallet-to-wallet; CryptoUmmah never custodies your funds. Always verify the destination address before confirming in your wallet.

Mashbooh · Doubtful · Risky

Your exact purification amount, calculated from StablR USD's Shariah compliance score.

$
Amount to return0.00 USDC

to Jamiya Masjid & Islamic Centre, a registered UK charity

Purification isn't Zakat and isn't tax-deductible — it's the return of income that wasn't rightfully yours.

Scholar-verified · UK registered charity
Key facts
ChainEthereum
Last reviewed
Analyst summary

StablR USD (USDR) is an ERC-20 fiat-collateralized stablecoin issued by StablR Ltd (Malta), not a proof-of-stake or proof-of-work network, so "consensus" is Ethereum's — StablR itself is fully centralized. No smart-contract or custody audit from any named firm could be found. The biggest Shariah concern is not tokenomics but security and disclosure: a May 2026 exploit of a 1-of-3 multisig let an attacker mint ~$13.5M in uncollateralized USDR/EURR, depegging the token and breaching MiCA's 1:1 reserve requirement — a live gharar and trust issue, not a speculative or interest-based design flaw.

The research

27-point Shariah breakdown of USDR

Islamic Finance Principles Assessment

Riba — Does StablR USD involve interest?

USDR itself pays no yield or interest to holders — it is a plain 1:1 redeemable dollar token, which is a favorable structural feature. However, its disclosed reserve composition includes short-term government bonds, an interest-bearing instrument, even though that yield is retained by StablR rather than distributed. For Muslim investors, the token's holder-level design is riba-neutral, but the issuer's balance sheet is not fully riba-free.

Assessment: Riba Dominant Score: 49.4/100

Our methodology examines 10 criteria to evaluate how well StablR USD avoids interest-based mechanisms.

StablR's revenue model is not explicitly published in available disclosures, but is most plausibly derived from minting/redemption fees and yield earned on reserve assets. Those reserves are described as "fiat and short-term government bonds," meaning a portion of the collateral backing USDR generates conventional interest income for the issuer. While this income is not passed on to USDR holders, the presence of interest-bearing instruments within the treasury is a real riba-adjacency concern for a project seeking Shariah-conscious adoption, and it prevents USDR's backing from being classified as clean, interest-free collateral.

At the protocol level, USDR does not offer lending, borrowing, margin, or yield-farming functions — it is purely a mint/redeem settlement instrument used across exchanges like Kraken, Bitfinex, and UZX. There is no evidence of interest-bearing partnerships baked into the token's core smart-contract logic, and no native staking or reward mechanism exists. The only interest exposure identified is at the treasury/reserve level via government bonds, not in the user-facing business model, which is a materially smaller riba footprint than stablecoins that actively pay yield to holders.


Gharar — How much uncertainty does StablR USD involve?

Gharar in USDR stems primarily from operational and disclosure gaps rather than the token's basic design, which is a simple 1:1 dollar peg. Leadership is publicly named, which reduces one layer of uncertainty, but the May 2026 multisig exploit and absence of any published smart-contract audit substantially increase uncertainty around custody and reserve integrity. On balance, this points toward caution given a live, unresolved security and reserve-shortfall situation.

Assessment: Moderate Gharar (Material Uncertainty) Score: 50.9/100

Our methodology examines 15 criteria including team transparency, audit quality, and governance.

StablR's leadership is transparently named: Gijs op de Weegh (CEO), Corné van der Meijden (CROO), Julia Frendo (CFO), Robin Nijkamp (CTO), and Adam Csanyi (CCO), which is a positive transparency signal compared to anonymous teams. However, op de Weegh's prior venture, Payvision, was reportedly linked to significant financial-crime controversy, a relevant reputational flag even though he is not personally named in that matter. No open-source code repository, detailed reserve breakdown, or on-chain governance disclosure was found; governance and custody remain entirely centralized within StablR Ltd, limiting independent verification.

No security audit of StablR's smart contracts or of its multisig/custody architecture could be located in available sources — a genuine and material gharar concern for an issuer holding public reserves. This gap was exposed directly in May 2026, when a compromised 1-of-3 multisig allowed an attacker to mint roughly $13.5 million in uncollateralized tokens, with about $2.8 million extracted before liquidity was exhausted. Minting and redemption remain affected, reserves have fallen below the MiCA-mandated 1:1 ratio, and Malta's Financial Services Authority is now overseeing recovery, leaving risk disclosure to investors incomplete and unresolved.


Maysir — Does StablR USD involve gambling or speculation?

USDR is not designed as a speculative or gambling instrument; it is built as a payment and settlement stablecoin intended for cross-border transfers and trading collateral. There are no lottery mechanics, leverage products, or gamified reward loops embedded in the token itself. The main maysir-adjacent risk is secondary-market depeg trading following the exploit, which is a market reaction rather than a designed feature.

Assessment: Moderate Maysir (High Risk) Score: 52.7/100

Our methodology examines 11 criteria to determine whether StablR USD is a gambling instrument or a genuine economic tool.

USDR's genuine utility lies in serving as a fiat-pegged medium of exchange and settlement rail for institutions and retail users trading on platforms like Kraken, Bitfinex, and UZX. Its mint/redeem mechanism against fiat and government-bond collateral is intended to keep the token near its dollar peg for practical payment and treasury use, not to generate speculative price appreciation. This functional, non-speculative design — a stable unit of account rather than a bet on price movement — distinguishes it structurally from gambling-like crypto assets.

In practice, USDR's post-exploit depeg — trading near $0.994 for USDR and as low as $0.548 for its EURR counterpart — has turned the token into an object of speculative arbitrage and distressed trading in secondary markets, behavior driven by the security failure rather than by the coin's intended design. This third-party market speculation should not be read as evidence that USDR itself is a maysir instrument; its core function remains payment settlement. Still, until reserves and peg stability are fully restored, cautious investors should weigh this volatility carefully.


The Full 27-Point Screening

1. Legitimacy (4 criteria)

CriterionScoreAnalysis
Team Transparency80/100Team is named and traceable with credentialed fintech/payments backgrounds, though the CEO's prior venture faced financial-crime controversy.
Fraud & Scam Risk20/100The project suffered a documented multi-million dollar exploit via a compromised multisig, causing uncollateralized token minting and ongoing regulatory review.
Use Case Legitimacy80/100Sources describe clear real-world payment, remittance and DeFi use cases for a regulated digital dollar.
Ethical Practices85/100The coin's own design is a payment/settlement stablecoin with no haram-oriented purpose described.

Summary: StablR has a named, credentialed leadership team but the platform suffered a major multisig exploit and regulatory scrutiny in 2026.


2. Project Operations (9 criteria)

CriterionScoreAnalysis
Core Protocol Business80/100The base protocol is a fiat-referenced payment token, not itself operating in a prohibited sector.
Transaction Fees50/100 (low evidence)Sources do not describe any transaction-fee burn, retention or distribution mechanics specific to USDR transfers.
Treasury Assets30/100Reserves are stated to include short-term government bonds, an interest-bearing instrument, alongside fiat.
Revenue Model35/100Revenue likely derives partly from yield on interest-bearing government-bond reserves, though this is not explicitly confirmed as the revenue model.
Transparency50/100Public whitepapers and API docs exist, but no open-source code repository or full financial disclosure for USDR was found.
Governance20/100StablR operates a fully centralized multi-entity issuer structure with no on-chain or holder governance described.
Launch Fairness55/100As an on-demand mint/redeem stablecoin rather than a distributed launch, no pre-mine or public sale was found, but launch-fairness specifics are not detailed.
Token Distribution50/100 (low evidence)Sources give no breakdown of how USDR supply is distributed across holders or channels.
Speculation/Utility Ratio80/100The whitepaper and product descriptions emphasize genuine payment utility over speculative trading.

Summary: USDR is a centrally issued, MiCA-regulated 1:1 USD stablecoin with no disclosed fee-burn mechanics or on-chain governance.


3. Financial Health (4 criteria)

CriterionScoreAnalysis
Protocol Revenue35/100Reserve composition including government bonds implies some interest-derived revenue component, though the exact revenue structure is undisclosed.
Financial Status20/100Post-exploit, StablR has publicly confirmed reserves fall below the 1:1 backing requirement and trading/redemption remain suspended.
Interest Assessment55/100The base protocol does not offer lending or borrowing services to holders, but its reserve assets include interest-bearing bonds.
Audit Quality10/100No named security audit firm or report covering StablR's USDR contracts or custody architecture could be found, and the exploit exposed a weak multisig design.

Summary: The project's reserves include interest-bearing government bonds, and post-exploit backing has fallen below the required 1:1 ratio, with no audit of its custody architecture found.


4. Token Economics (5 criteria)

CriterionScoreAnalysis
Token Purpose85/100USDR is described consistently as a functional payment/settlement token, not a meme asset.
Governance RightsN/AHolders have no governance rights, which is a normal, neutral feature of a centrally-issued fiat-referenced stablecoin rather than a compliance concern.
Rewards Distribution80/100No yield or fixed return is paid to USDR holders; the token is simply a 1:1 redeemable claim, avoiding an interest-like reward structure.
Speculation Controls45/100Redemption at par provides an implicit anti-speculation anchor, but no explicit anti-speculation mechanisms are described, and the exploit caused significant price deviation.
Asset Backing30/100Backing is stated as fiat plus short-term government bonds, and reserves were confirmed undercollateralized after the 2026 exploit.

Summary: USDR is a genuine utility payment token with no holder governance or yield, though its reserve backing includes interest-generating instruments.


5. Staking Mechanism

StablR USD has no native staking mechanism, so these five criteria are not applicable and are excluded from the score entirely rather than counted as zeros.


Overall Assessment: USDR is a legitimate, non-meme fiat-referenced stablecoin whose Shariah profile is weakened mainly by interest-bearing reserve assets, an unaudited security architecture, and a significant 2026 exploit that left it undercollateralized.

Sources consulted