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September 9, 2026

What Is Riba (Interest) and Why It Matters in Islamic Crypto Finance

What riba (interest) means in Islamic finance, why it’s prohibited, and how the concept applies across crypto products.

The Concept Behind Every Halal-Finance Discussion

If you’ve read any of our other articles on Islamic perspectives on crypto, you’ve likely encountered the term riba. It’s one of the most foundational concepts in Islamic finance, and understanding it is essential background for making sense of every other halal-finance topic on this site.

What Riba Means

Riba is generally translated as ‘interest’ or ‘usury,’ and refers to an unjustified increase or excess charged in a financial transaction — most commonly, charging a fee for the use of borrowed money over time. It is prohibited in Islamic finance based on clear textual guidance in the Quran and Hadith, making it one of the most consistently agreed-upon prohibitions across different schools of Islamic jurisprudence.

Why Riba Is Prohibited

The reasoning generally cited for this prohibition centers on fairness and shared risk. A conventional interest-based loan guarantees the lender a return regardless of whether the borrower’s use of the funds succeeds or fails — placing all the risk on the borrower while the lender profits either way. Islamic finance instead favors structures where risk and reward are shared between parties, such as profit-and-loss-sharing partnerships, rather than one party earning a guaranteed return on the other’s risk.

How This Applies to Crypto

Riba concerns show up throughout crypto finance wherever a fixed, guaranteed return is paid for the use of capital: margin and leverage trading (where a trader pays a borrowing fee, functionally interest, to a platform), and interest-bearing ‘earn’ or lending products (where a platform pays users a fixed rate for depositing funds). Both structures mirror conventional interest arrangements closely enough that most scholars view them as falling under the riba prohibition.

Why Staking Is Treated Differently

Staking rewards, by contrast, are generally not treated as riba by most scholars who have examined the topic, because a staker isn’t lending funds for a guaranteed return — they’re actively participating in securing a network and are compensated for that function, with rewards that depend on the network’s operation rather than a fixed, predetermined interest rate. We explain the mechanics of this distinction in What Is Staking and How Does It Work?

Why This Concept Matters So Much

Nearly every other halal-finance question in crypto — whether margin trading is permissible, whether a given yield product is acceptable, how a stablecoin issuer’s business model should be evaluated — ultimately traces back to whether riba is present in the structure. Understanding this one concept well makes it much easier to evaluate new crypto products you encounter in the future, even ones not specifically covered on this site.

Related Reading

To see this principle applied directly, see Is Margin and Leverage Trading Halal? and our broader survey in Is Crypto Halal? Different Islamic Scholarly Views Explained.

This article is provided for educational purposes and does not constitute a religious ruling (fatwa). Readers should consult a qualified scholar for guidance specific to their own circumstances.

The reasoning, in one line

The objection described here is not to profit, but to a return that is guaranteed to one side whatever happens to the other. A conventional interest-bearing loan pays the lender whether the borrower’s venture succeeds or fails; the structures Islamic finance favours instead put both parties on the same side of the outcome, sharing the loss as well as the gain.

Three crypto returns, and where each one comes from
Margin borrowingA fixed-rate “earn” productStaking rewards
Who pays, and for whatThe trader pays the platform for the use of fundsThe platform pays the depositor for the depositThe network pays the validator for validating
Is the return fixed in advanceYes, as a borrowing rateYes, that is what is advertisedNo — it depends on the network and on performing the work
Is capital at risk while it earnsThe trader’s collateral is, not the lender’sThe depositor’s is, though the rate is presented as certainYes — the stake itself can be penalised
How this article reports the scholarly viewMost scholars treat it as falling under the riba prohibitionThe same, given how closely it mirrors an interest arrangementGenerally not treated as riba by most scholars who have examined it
Positions reported as this article states them. Views differ between scholars and schools of thought; this is not a ruling.