Islamic Finance Principles Assessment
Riba — Does USDS involve interest?
USDS is deeply intertwined with interest-based mechanics at both the revenue and reward level. Its treasury explicitly holds T-bill exposure and interest-charging loans, and its flagship yield product pays a governance-set rate funded by that interest income. For Muslim investors, this is not a peripheral concern but a core structural feature of the protocol.
Assessment: Riba Dominant
Score: 18.6/100
Our methodology examines 10 criteria to evaluate how well USDS avoids interest-based mechanisms.
Sky Protocol's ~$435M annualized revenue (projected $611.5M for 2026) derives from three sources: stability fees charged on collateralized vault loans, T-bill yield on the roughly 38% USDC reserve allocation, and interest income from the 22% real-world-asset loan book. All three are conventional interest-based income streams. The remaining ~25% crypto-collateralized loan segment also charges interest via stability fees. This means the protocol's entire economic engine, not just an incidental side activity, is built on lending at interest and short-term government debt yield — a direct riba exposure baked into the treasury's composition.
USDS itself does not yield; depositing it into the Sky Savings Module mints sUSDS at a variable, governance-set Sky Savings Rate (quoted around 4-4.5% APY, with one source citing up to ~12.5% APR), redeemable back to USDS at will. The rate floats rather than being contractually fixed, which is a mitigating factor, but the underlying funding is entirely interest income — stability fees, T-bill yield, RWA loan interest. With no slashing and a value that only ever accrues upward, this resembles a Qard-with-increment (interest-bearing loan) far more than a genuine profit-and-loss-sharing Mudarabah arrangement.
Gharar — How much uncertainty does USDS involve?
Informational uncertainty around USDS is moderate: the project itself is well-documented and long-operating, but a notable audit gap and ticker confusion with unrelated tokens add real ambiguity. Overall, transparency of governance and mechanics is solid even where technical assurance documentation is thin.
Assessment: Moderate Gharar (Material Uncertainty)
Score: 54.9/100
Our methodology examines 15 criteria including team transparency, audit quality, and governance.
Sky Protocol is a named, long-running project with a traceable lineage back to MakerDAO's 2014 founding by Rune Christensen, and governance is formally vested in SKY-token holders via an on-chain DAO. S&P Global has publicly flagged Christensen's roughly 9% governance-token concentration as a centralization risk, which investors should weigh. Contract code is open-source and available on GitHub. Treasury composition (collateral mix, reserve percentages) is disclosed with reasonable specificity, which reduces gharar relative to opaque or anonymous projects, though the founder's stake remains a legitimate governance-concentration concern.
No specific security audit — firm name, date, or findings — covering Sky Protocol's core USDS contracts was found in available sources; the Halborn reports retrieved instead concern unrelated projects entirely. This is a real gap: for a protocol managing hundreds of millions in disclosed annual revenue and multi-billion-dollar collateral pools, the absence of a verifiable, named third-party audit of the core contracts is a gharar concern that should be stated plainly rather than assumed away. Mechanics of minting, the Savings Rate, and peg-stability tools are otherwise reasonably well explained across multiple sources.
Maysir — Does USDS involve gambling or speculation?
USDS is not designed as a speculative or gambling instrument; its purpose is dollar-pegged stability for payments and collateral use. Some secondary-market trading and yield-chasing behavior exists around it, as with any widely held asset, but this is incidental to its design rather than its purpose.
Assessment: Moderate Maysir (High Risk)
Score: 56.7/100
Our methodology examines 11 criteria to determine whether USDS is a gambling instrument or a genuine economic tool.
USDS functions as working capital within DeFi: it is minted against real collateral (ETH, wstETH, WBTC, real-world assets) and used for payments, settlement, and as a stable unit for lending and liquidity provision. Its peg-stability mechanisms — arbitrage incentives, a Peg Stability Module, and over-collateralization requirements — are structural controls specifically designed to suppress price speculation and keep the token anchored near one dollar. This productive, collateral-backed utility function is fundamentally distinct from a purely speculative or zero-sum wagering instrument.
Given its stable-value design, USDS attracts little of the pure price-speculation trading seen in volatile tokens; its stated use cases are collateral, settlement, and savings via sUSDS conversion. Genuine adoption is evidenced by a substantial, disclosed revenue base and multi-year operating history under the MakerDAO/Sky lineage. Any speculative behavior in secondary markets — arbitrage around de-pegging events, leveraged vault strategies — reflects third-party usage rather than the coin's own design, and per the guiding principle here should not be held against USDS's own Shariah assessment.
The Full 27-Point Screening
1. Legitimacy (4 criteria)
| Criterion | Score | Analysis |
|---|
| Team Transparency | 75/100 | Rune Christensen and the MakerDAO-to-Sky lineage since 2014 are documented, with governance now nominally in SKY holders' hands, though founder stake concentration is flagged. |
| Fraud & Scam Risk | 78/100 | Long multi-year operating history with no fraud, hack, or rug-pull indicators found in these sources, and S&P-rated credit standing. |
| Use Case Legitimacy | 82/100 | Clear real-world utility as a stablecoin used across DeFi lending, RWA-backed treasury operations, and settlement. |
| Ethical Practices | 65/100 | The coin's own design does not target a haram industry sector; its interest-based revenue model is a distinct concern addressed under other criteria. |
Summary: USDS traces to a named, long-tenured founder and a multi-year DAO-governed protocol with no fraud indicators found, though founder stake concentration and a confusing multiplicity of same-ticker projects warrant caution.
2. Project Operations (9 criteria)
| Criterion | Score | Analysis |
|---|
| Core Protocol Business | 20/100 | The base protocol is fundamentally a collateralized lending system charging interest-like stability fees on vault loans. |
| Transaction Fees | 20/100 | Fees function as interest extraction; surplus is partly used to buy-and-burn SKY and partly distributed as SKY rewards rather than simply neutralized. |
| Treasury Assets | 12/100 | Treasury explicitly holds USDC parked in T-bill-yielding vehicles plus interest-bearing RWA and crypto loans. |
| Revenue Model | 12/100 | Revenue is generated from stability fees, T-bill yield, and RWA loan interest, all interest-based sources. |
| Transparency | 78/100 | Core token contract is open-source on GitHub and the protocol's mechanics are extensively documented by third parties. |
| Governance | 55/100 | Governance is nominally decentralized via SKY holder voting, but sources note the founder's concentrated stake as a flagged centralization risk. |
| Launch Fairness | 45/100 (low evidence) | The sources do not describe a discrete USDS launch or allocation event, since supply is minted on demand against collateral rather than distributed at a fixed genesis. |
| Token Distribution | 65/100 | Supply grows through open collateral-backed minting rather than a fixed pre-allocation, suggesting broad access, though no explicit distribution statistics are given. |
| Speculation/Utility Ratio | 55/100 | Stablecoins broadly are shown to be dominated by trading/liquidity use, and while USDS supports real DeFi/RWA utility, sources do not isolate USDS-specific usage figures. |
Summary: USDS is minted against collateral in a vault-based lending system whose stability fees fund both SKY buybacks and holder rewards, governed by SKY holders with disclosed but imperfectly decentralized control.
3. Financial Health (4 criteria)
| Criterion | Score | Analysis |
|---|
| Protocol Revenue | 12/100 | Protocol revenue is driven by stability fees, T-bill yield, and RWA loan interest. |
| Financial Status | 80/100 | Reported roughly $435M annualized revenue with growth projected to ~$611.5M in 2026 and a multi-year operating history indicate financial stability. |
| Interest Assessment | 10/100 | The base protocol operates an interest-charging collateralized lending system and an interest-passthrough savings module. |
| Audit Quality | 15/100 (low evidence) | No named audit firm or audit date covering Sky Protocol/USDS core contracts could be found in these sources, despite numerous unrelated Halborn audit reports appearing in the results. |
Summary: The protocol generates substantial, growing revenue entirely from interest-based sources (stability fees, T-bill yield, RWA loan interest) and offers native lending and yield features, but no specific third-party audit of its core contracts could be identified in these sources.
4. Token Economics (5 criteria)
| Criterion | Score | Analysis |
|---|
| Token Purpose | 82/100 | USDS functions as a genuine utility stablecoin for payments, settlement, and DeFi collateral rather than a speculative meme token. |
| Governance Rights | N/A | USDS itself carries no governance rights, which sit instead with the separate SKY token — a neutral design feature for a stablecoin, not a compliance gap. |
| Rewards Distribution | 30/100 | The Sky Savings Rate is variable and governance-set rather than fixed, but it is funded entirely by interest-based revenue streams. |
| Speculation Controls | 70/100 | Peg-stability mechanisms such as arbitrage incentives, the Peg Stability Module, and over-collateralization act as structural anti-speculation controls on the dollar peg. |
| Asset Backing | 35/100 | Backing collateral mixes crypto assets with conventional interest-bearing instruments (T-bills, interest-charging loans) rather than purely halal assets. |
Summary: USDS is a genuine utility-designed dollar-pegged token with peg-stabilizing mechanisms, but its yield pathway and part of its collateral backing are interest-derived rather than purely halal.
5. Staking Mechanism (5 criteria)
| Criterion | Score | Analysis |
|---|
| Mechanism Type | 75/100 | The USDS-to-sUSDS savings mechanism is non-custodial, smart-contract based, and redeemable at will per the sources. |
| Islamic Contract Classification | 15/100 | The yield mechanism resembles a guaranteed-increment deposit funded by interest income rather than a clean Mudarabah/Wakalah profit-share, leaving a decisive Shariah question unresolved. |
| Rewards Structure | 20/100 | Rewards are variable in rate but sourced from interest income (stability fees, T-bill yield, RWA loan interest) rather than genuine risk-sharing activity. |
| Documentation | 78/100 | Rates, mechanics, and collateral composition are documented in detail across multiple independent sources. |
| Shariah Alignment | 18/100 | Whether the interest-funded, principal-appreciating savings mechanism is Shariah-permissible remains an unresolved core question that weighs against compliance. |
Summary: USDS lacks conventional validator staking but offers a documented, non-custodial deposit-to-yield mechanism (sUSDS) whose interest-funded, principal-appreciating structure raises an unresolved Islamic contract classification question.
Overall Assessment: USDS is a legitimate, transparent, well-established stablecoin infrastructure project, but its core revenue, treasury backing, and yield mechanism are substantially interest-based, which is the central unresolved Shariah concern rather than any fraud, opacity, or meme-speculation issue.
Written by ThanvirFounder, Ex Director S&P Global Energy
Reviewed by Imam Omar SiddiqiShariah Scholar