Islamic Finance Principles Assessment
Riba — Does MEZO involve interest?
Mezo's protocol revenue is not incidental to interest-based lending — it is structurally built on it. MUSD loans charge fixed annual interest of 1%-5%, and this interest flows to token holders as part of their staking rewards. While swap and bridging fees are also part of the mix, the presence of direct loan-interest distribution is a clear riba red flag that Muslim investors should weigh heavily before participating.
Assessment: Riba Dominant
Score: 29.5/100
Our methodology examines 10 criteria to evaluate how well MEZO avoids interest-based mechanisms.
Mezo's revenue model draws from four sources: MUSD loan interest (fixed at 1%-5%), origination/refinancing fees, DEX swap fees, and bridging/chain fees. The loan-interest component is textbook riba — a fixed return charged on a debt instrument, collateralized at a minimum 110% BTC ratio via the MUSD CDP system. None of these fees are burned; they are redistributed to veBTC/veMEZO lockers, meaning interest income is not a side effect but a designed revenue stream feeding token holder rewards. The Foundation holds 10% of genesis supply, but treasury asset composition (whether interest-bearing) is undisclosed in available sources.
Staking here uses a vote-escrow model: locking BTC yields veBTC, and locking MEZO yields veMEZO, which can boost veBTC yield up to 5x. Rewards are variable in amount, sourced from a blend of swap fees, bridging fees, and — critically — MUSD loan interest. This blended structure means some portion of every distribution is genuinely fee-based and permissible in nature, but another portion is directly interest-derived. Because the reward pool commingles fee revenue with loan interest without any stated segregation mechanism, holders cannot cleanly isolate a riba-free share of their yield.
Gharar — How much uncertainty does MEZO involve?
Mezo carries moderate uncertainty, offset meaningfully by team transparency, live audits, and real usage data. What increases uncertainty is the still-centralized validator model and unclear treasury composition. Overall, disclosure quality is strong enough that gharar is a secondary, not primary, concern relative to riba.
Assessment: Moderate Gharar (Material Uncertainty)
Score: 56.7/100
Our methodology examines 15 criteria including team transparency, audit quality, and governance.
The team is named and traceable: co-founders Matt Luongo (also Thesis CEO) and Brian Mahoney, backed by a disclosed Supernormal Foundation board. Thesis has a decade-long Bitcoin development record (tBTC, Fold, Taho), lending credibility beyond a typical startup. Mezo raised over $28.5M from Pantera, Multicoin, Hack VC, Draper and ParaFi. Code (mezod, Validator Kit) is open-source on GitHub. This level of named leadership, institutional backing, and public code substantially reduces informational asymmetry compared to anonymous or opaque projects.
Mezo underwent multiple named audits: Halborn (core Cosmos codebase, January 2025), OtterSec (bridge/validator infrastructure, March 2025), Spearbit/Cantina (MUSD contracts), and Quantstamp with Thesis Defense (Passport and Portal contracts, March 2024). Reports identified findings, including criticals, reportedly remediated. Documentation is extensive, including a dedicated Mezo Earn whitepaper and glossary. The main residual uncertainty is governance: validators currently operate under Proof-of-Authority rather than the planned Proof-of-Stake, meaning decentralization and slashing mechanics remain forward-looking rather than live.
Maysir — Does MEZO involve gambling or speculation?
Mezo is not designed as a wagering or meme instrument; it is a functioning Bitcoin lending and DeFi layer with measurable usage. Speculative trading of MEZO on secondary markets is possible, as with any listed token, but this is incidental to, not inherent in, the protocol's design. The base use case is productive rather than gambling-oriented.
Assessment: Moderate Maysir (High Risk)
Score: 51.8/100
Our methodology examines 11 criteria to determine whether MEZO is a gambling instrument or a genuine economic tool.
Mezo's core function is Bitcoin-collateralized borrowing (MUSD) and fee-sharing via veBTC/veMEZO locks, with reported TVL between $200M-$300M+, 25,000+ users, and $38M in MUSD borrow volume. This is genuine economic activity — users borrowing against BTC, earning fees from real swap and bridging demand — not a zero-sum betting mechanism. Governance via gauge voting on emissions further ties token utility to protocol coordination rather than chance-based payout, distinguishing it from maysir-style speculation.
Against this real utility, MEZO like most liquid tokens trades on secondary markets where price speculation occurs. This is third-party behavior, not a feature of the protocol's design, and per consistent principle should not by itself push the coin toward a maysir classification. The more relevant question for Islamic investors is not speculative trading, already common across crypto, but whether the underlying reward mechanics are riba-clean — which, as detailed above, they are only partially.
The Full 27-Point Screening
1. Legitimacy (4 criteria)
| Criterion | Score | Analysis |
|---|
| Team Transparency | 85/100 | The founders (Matt Luongo, Brian Mahoney) and foundation board are named and have a traceable multi-year Bitcoin development track record. |
| Fraud & Scam Risk | 80/100 | No fraud, hack, or rug-pull indicators tied to Mezo appear in the sources, and the project has substantial institutional backing and multiple audits. |
| Use Case Legitimacy | 85/100 | The protocol provides clear, functioning real-world utility (BTC-collateralized loans, stablecoin, DeFi infrastructure) rather than pure hype. |
| Ethical Practices | 25/100 | The base protocol's own MUSD lending mechanism charges fixed interest as a built-in design feature, not a third-party misuse. |
Summary: Mezo has a named, credentialed founding team with a verifiable Bitcoin-development track record and no fraud or rug-pull indicators found in these sources.
2. Project Operations (9 criteria)
| Criterion | Score | Analysis |
|---|
| Core Protocol Business | 25/100 | The core business of the protocol is fixed-rate interest-bearing BTC lending, placing an interest-based model at the center of its own sector. |
| Transaction Fees | 35/100 | Fees are distributed transparently to lockers rather than extracted opaquely, but a substantial share of distributed fees originates from loan interest. |
| Treasury Assets | 50/100 (low evidence) | Sources describe the purpose of Foundation reserves but give no detail on the actual composition of treasury holdings. |
| Revenue Model | 20/100 | The stated revenue model explicitly includes MUSD loan interest alongside fee income, making interest a primary named revenue source. |
| Transparency | 85/100 | Core client code is open-source on GitHub, multiple dated audit reports are published, and a formal disclosure document names the entities involved. |
| Governance | 45/100 | Governance combines gauge voting with a currently centralized Proof-of-Authority validator set, with decentralization only planned for the future. |
| Launch Fairness | 40/100 | The launch involved multiple VC funding rounds and pre-allocated investor/team tokens rather than being a fully fair, permissionless launch. |
| Token Distribution | 45/100 | Distribution is clearly documented, but half the supply is held by investors and team under vesting rather than broadly distributed at launch. |
| Speculation/Utility Ratio | 55/100 | MEZO has genuine coordination/governance utility, but heavy promotion of high APY yields and pending large unlocks indicate significant speculative demand. |
Summary: Mezo is an open-source, EVM-compatible Bitcoin economic layer whose fees flow to lockers and whose governance remains partly centralized under a currently authority-based validator model.
3. Financial Health (4 criteria)
| Criterion | Score | Analysis |
|---|
| Protocol Revenue | 20/100 | A primary documented revenue stream is MUSD loan interest, which is riba-based. |
| Financial Status | 65/100 | Public TVL, transaction, and user metrics via Dune and CoinGecko show an active, disclosed, functioning platform. |
| Interest Assessment | 10/100 | The base protocol runs an explicit fixed-rate (1%-5%) interest lending system at the protocol level, a direct interest mechanism rather than third-party activity. |
| Audit Quality | 85/100 | Named firms (Halborn, OtterSec, Spearbit/Cantina, Quantstamp, Thesis Defense) conducted multiple dated, published audits across the chain, bridge, MUSD, and account systems. |
Summary: Mezo generates real, disclosed revenue and usage, but a core share of that revenue is fixed-rate loan interest from its own native lending system, and the protocol has been through multiple named third-party audits.
4. Token Economics (5 criteria)
| Criterion | Score | Analysis |
|---|
| Token Purpose | 60/100 | MEZO functions as a governance and yield-boosting coordination token with documented utility, not a pure meme asset. |
| Governance Rights | 70/100 | veMEZO locking grants documented voting rights over gauge emissions and protocol parameters. |
| Rewards Distribution | 35/100 | Rewards vary with network activity, but a documented portion of that activity is fixed-rate loan interest rather than purely fee-for-service income. |
| Speculation Controls | 45/100 | Vesting cliffs and lock-up structures exist for veBTC/veMEZO and team/investor tokens, though marketed high APY offerings work against anti-speculation intent. |
| Asset Backing | 50/100 | The underlying MUSD stablecoin is stated to be 100% BTC-collateralized and overcollateralized, but the MEZO token itself is backed by protocol utility rather than a hard asset. |
Summary: MEZO is a utility/governance token with documented voting and boosting functions, but a portion of its reward flows and the underlying loan product are interest-linked.
5. Staking Mechanism (5 criteria)
| Criterion | Score | Analysis |
|---|
| Mechanism Type | 65/100 | The vote-escrow locking mechanism (veBTC short locks, veMEZO with vesting) is documented as self-custodial with defined lock periods and no rehypothecation claimed. |
| Islamic Contract Classification | 20/100 | A core share of locked-position yield is loan interest passed through to lockers, an unresolved interest-based structure rather than a clean profit-sharing contract. |
| Rewards Structure | 30/100 | Aggregate rewards vary with activity, but the documented inclusion of fixed-rate loan interest mixes permissible fee income with interest income. |
| Documentation | 80/100 | A dedicated Mezo Earn whitepaper, glossary, and documentation pages disclose lock terms, fee routing, and reward mechanics in detail. |
| Shariah Alignment | 20/100 | The embedding of interest-based lending revenue within the core staking yield mechanism represents an unresolved Shariah concern that is not mitigated in the sources. |
Summary: Mezo has a documented native vote-escrow staking system (veBTC/veMEZO) whose yield is partly sourced from fee income and partly from fixed-rate loan interest, raising an unresolved Shariah question around that interest component.
Overall Assessment: Mezo is a legitimate, well-documented, and audited Bitcoin lending/banking protocol whose core design nonetheless embeds fixed-rate interest at both the lending and staking-reward level, which is the central unresolved Shariah concern.
Written by ThanvirFounder, Ex Director S&P Global Energy
Reviewed by Imam Omar SiddiqiShariah Scholar