Islamic Finance Principles Assessment
Riba — Does Suilend involve interest?
Suilend's business is fundamentally interest-based: it is an overcollateralized lending/borrowing money market where lenders earn yield sourced directly from borrower interest payments. This is not an incidental feature but the protocol's sole stated function. For Muslim investors, this places Suilend's core activity in direct conflict with the prohibition on riba, regardless of its technical sophistication or audit history.
Assessment: Riba Dominant
Score: 16/100
Our methodology examines 10 criteria to evaluate how well Suilend avoids interest-based mechanisms.
Suilend generates revenue explicitly described in its own documentation as "interest and fees paid by borrowers and the liquidated," with deposit yield flowing "directly from onchain borrowing activity." A portion of this revenue is retained by the Suilend treasury and used to fund SEND token buybacks. This is a textbook riba-based spread model: lenders are paid a rate for capital, borrowers pay a higher rate, and the protocol profits from the differential plus liquidation penalties. There is no profit-and-loss-sharing structure, no equity-like risk participation, and no halal reserve asset backing the treasury's holdings.
SEND staking allows holders to earn a share of protocol revenue and boosted deposit/borrow rewards, and rates scale variably with TVL and utilization rather than being fixed in advance — a structural feature that is closer to profit-sharing than a guaranteed coupon. However, the underlying source of these variable rewards is still borrower interest and liquidation penalties, meaning the variability does not cleanse the riba taint at the root. SpringSui's liquid-staking yield, sourced from Sui validator rewards rather than lending interest, is a separate and less problematic stream, but it is not the basis of SEND's own reward mechanism.
Gharar — How much uncertainty does Suilend involve?
Suilend carries moderate uncertainty: it is a real, audited, functioning protocol with public code, yet its top leadership remains pseudonymous and serious allegations of manipulation and unequal treatment of depositors are on record. Documentation on SEND staking specifically is thinner than the general lending docs. Overall, informational gaps and unresolved trust disputes leave gharar at a level investors should weigh carefully.
Assessment: Excessive Gharar (High Uncertainty)
Score: 42.1/100
Our methodology examines 15 criteria including team transparency, audit quality, and governance.
The founder, known only as "Rooter," previously led Solend and is said to lead a roughly 15-person team including alumni of Morgan Stanley, Bell Labs, and IBM, but top-level identity remains pseudonymous. Code is open-source on GitHub, which supports technical transparency. However, credible reports allege the founder "orchestrated" token manipulation and that Suilend retroactively deducted funds from depositors uninvolved in a liquidation dislocation during an IKA price spike. Combined with reliance on Sui Foundation subsidies to fund operations, this points to disclosure and accountability gaps beyond what open-source code alone can resolve.
The core lending protocol has been reviewed by OtterSec (March and May 2024) and Zellic (February 2024), and SpringSui has a Certora formal-verification report — a reasonably solid audit trail for the money-market and liquid-staking components. However, no audit for STEAMM, Suilend's AMM product, was found in available sources, which is a genuine gharar concern that should be named plainly. SEND staking mechanics — lock-ups, slashing, custodial arrangements — are documented far more thinly than the main lending flows, leaving stakers with incomplete risk disclosure.
Maysir — Does Suilend involve gambling or speculation?
Suilend is not designed as a speculative or gambling instrument; it is a functioning money-market protocol used for real borrowing, lending, and collateral management. Its anti-dumping mSEND vesting mechanism further discourages purely speculative flipping. The main maysir-adjacent risk lies in secondary-market trading of SEND itself, not in the protocol's design.
Assessment: Maysir / Qimar (Gambling)
Score: 39.2/100
Our methodology examines 11 criteria to determine whether Suilend is a gambling instrument or a genuine economic tool.
Suilend performs a genuine economic function: it allows users to deposit assets to earn yield and to borrow against collateral, forming the backbone of Sui's DeFi credit market with combined TVL (including SpringSui) reported between roughly $470 million and $1 billion. This is productive financial infrastructure, not a zero-sum wagering mechanism. The mSEND token-distribution model, with decaying early-redemption penalties paid in SUI, was specifically designed to discourage short-term speculative dumping in favor of longer-term participation, reinforcing that the protocol's intent is utility-driven rather than gambling-oriented.
Despite genuine utility and status as Sui's leading lending protocol, SEND's market price reportedly fell around ninety-two percent even as annualized revenue exceeded ten million dollars, alongside a Bybit "ST" risk flag and buyback-fraud suspicions — signs of heavy speculative trading detached from underlying fundamentals. This price volatility and third-party speculative behavior in secondary markets does not, on its own, make the protocol's design impermissible, since misuse by traders is distinct from the protocol's own function. Still, prospective holders should recognize that SEND's market behavior currently reflects speculation more than steady utility-driven demand.
The Full 27-Point Screening
1. Legitimacy (4 criteria)
| Criterion | Score | Analysis |
|---|
| Team Transparency | 40/100 | Founder remains pseudonymous ("Rooter") even though the wider team's institutional backgrounds and investor list are disclosed, giving partial but incomplete transparency. |
| Fraud & Scam Risk | 20/100 | Sources document a specific allegation of founder-linked market manipulation, a retroactive fund confiscation from depositors during the IKA incident, and buyback/insider-trading suspicion with an exchange risk-flag. |
| Use Case Legitimacy | 78/100 | Suilend is a functioning, large-TVL lending/borrowing protocol on Sui with clear, verifiable real-world DeFi utility, not hype alone. |
| Ethical Practices | 30/100 | The protocol's own core design is an interest-based money market, so its own function is built around a mechanism that raises a direct Shariah concern rather than touching an unrelated haram sector. |
Summary: Suilend is a credentialed, well-funded lending protocol led by a pseudonymous founder, but faces documented allegations of manipulation, retroactive fund confiscation, and buyback/insider-trading suspicion.
2. Project Operations (9 criteria)
| Criterion | Score | Analysis |
|---|
| Core Protocol Business | 12/100 | The base protocol's sole business is interest-bearing lending and borrowing, which sits squarely in a prohibited sector under Islamic finance. |
| Transaction Fees | 15/100 | Fees are explicitly interest paid by borrowers plus liquidation penalties, a riba-like extraction mechanism rather than a neutral flat fee. |
| Treasury Assets | 25/100 | The treasury is funded from the interest-based revenue share of the protocol, so its composition is itself interest income rather than halal assets. |
| Revenue Model | 8/100 | The revenue model is stated directly as the spread between borrow and lend interest rates plus liquidation penalties. |
| Transparency | 78/100 | Code is open-source on GitHub, audit reports are public, and documentation/FAQ pages disclose mechanics in detail. |
| Governance | 32/100 | Sources describe a planned future SEND DAO for governance, implying current decision-making is centralised with the team/founder rather than decentralised today. |
| Launch Fairness | 55/100 | Distribution favors community/airdrop (65%) but private-sale investors received discounted entry pricing ahead of public holders, a moderate insider advantage. |
| Token Distribution | 55/100 | Detailed allocation data shows a majority community share alongside sizeable investor and team allocations under multi-year vesting. |
| Speculation/Utility Ratio | 38/100 | The token has real staking/governance utility but its price trajectory, buyback controversy, and NFT/memecoin-linked distribution suggest speculation plays a significant role relative to utility. |
Summary: The base protocol is an open-source, non-custodial Sui money market whose fees are interest and liquidation penalties, with governance currently centralised pending a future DAO and a mostly community-directed but investor/team-vested token launch.
3. Financial Health (4 criteria)
| Criterion | Score | Analysis |
|---|
| Protocol Revenue | 10/100 | Protocol revenue is directly sourced from borrower interest and liquidation penalties, an explicitly riba-based income stream. |
| Financial Status | 32/100 | Despite large TVL and revenue figures, the token price has reportedly collapsed sharply and the project has been flagged as high risk, with claims of dependence on external subsidies. |
| Interest Assessment | 5/100 | The base protocol is fundamentally a lending/borrowing money market charging and paying interest, which is the central Shariah concern for this coin. |
| Audit Quality | 80/100 | Named firms OtterSec (March/May 2024) and Zellic (Feb 2024) conducted audits, and Certora produced a formal verification report, all publicly documented. |
Summary: Suilend's revenue and native yield are explicitly interest-based, its token has lost significant value despite sizeable protocol revenue, and it has been audited by named firms (OtterSec, Zellic, Certora) though STEAMM lacks a cited audit.
4. Token Economics (5 criteria)
| Criterion | Score | Analysis |
|---|
| Token Purpose | 58/100 | SEND functions as a real utility/governance token (staking, boosts, future DAO) rather than a pure meme, even though some distribution overlapped with memecoin-linked NFT communities. |
| Governance Rights | 42/100 | Governance rights are promised via a future SEND DAO but sources describe this in future tense, meaning holder governance is not yet fully operative. |
| Rewards Distribution | 30/100 | Reward amounts are variable and tied to protocol activity, but the underlying source is interest income and liquidation penalties rather than a clean profit-sharing activity. |
| Speculation Controls | 55/100 | The mSEND mechanism imposes a decaying penalty for early redemption, providing a genuine, documented anti-dumping control. |
| Asset Backing | 20/100 | The token is not backed by halal reserve assets; its value is tied to a treasury and buyback program funded by interest-based protocol revenue. |
Summary: SEND is a real utility/governance token with variable, revenue-linked staking rewards and an anti-dumping vesting/penalty mechanism, but its reward source is interest income and it carries no halal asset backing.
5. Staking Mechanism (5 criteria)
| Criterion | Score | Analysis |
|---|
| Mechanism Type | 40/100 | A native SEND staking option for revenue share exists, but lock-up terms, custodial status and slashing conditions are not detailed in these sources. |
| Islamic Contract Classification | 15/100 | Rewards paid to stakers derive from interest and liquidation-penalty income, placing the mechanism close to an unresolved Qard-with-increment structure rather than a clean Islamic contract. |
| Rewards Structure | 20/100 | Reward amounts vary with protocol usage, but they are generated from borrower interest, tainting the reward source itself. |
| Documentation | 45/100 | General protocol documentation is thorough, but SEND-staking-specific risk disclosures (lock-up, slashing, custody) are not clearly documented in the sources. |
| Shariah Alignment | 15/100 | The staking rewards are entangled with an interest-based lending core and the IKA incident revealed real gharar/unfairness in fund handling, leaving a decisive Shariah question unresolved. |
Summary: SEND has a native staking mechanism for protocol revenue share, but its terms are thinly documented and its rewards are derived from an interest-based lending core, raising an unresolved Islamic-contract classification concern.
Overall Assessment: Suilend is a legitimate, functioning Sui lending protocol rather than a meme coin, but its core business model of interest-based lending, revenue, and staking rewards, compounded by credible fraud and fund-handling allegations, raises substantial and largely unresolved Shariah concerns.
Written by ThanvirFounder, Ex Director S&P Global Energy
Reviewed by Imam Omar SiddiqiShariah Scholar