Most DeFi yield is interest with a smart contract in front of it. You deposit an asset, a protocol lends it to borrowers, and you receive more back than you put in, with the increase determined by time and amount. That the counterparty is code rather than a bank changes who administers the loan, not what the loan is - and scholars are broadly agreed on this. Liquidity provision is a genuinely closer call: supplying assets to an automated market maker earns a share of trading fees for a service, with real capital at risk through impermanent loss, which some scholars regard as closer to a partnership. The complication is that most pools pair with interest-bearing tokens and layer lending rewards on top. Validator staking sits differently again, because the reward compensates work with real slashing risk. The useful question is never what the protocol is called, but whether your return comes from lending, from a service, or from genuine shared risk.
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Educational guidance only, not a fatwa. Consult a qualified scholar for your specific case. Page created August 26, 2026.
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Because the bank was never the objection. Riba is an increase received on capital supplied, determined by amount and time. A lending protocol does exactly that - you deposit, borrowers pay to use it, you withdraw more. Replacing a bank with a smart contract changes who administers the loan, not what the loan is. The mechanism is published in code, which is why scholarship here is more settled than on most crypto questions.
In principle no. Supplying assets to a market maker is a service - you earn a share of trading fees, your capital is genuinely at risk through impermanent loss, and returns vary with volume. Service income with real risk and variable return is a permissible shape, and some scholars accept it. In practice most pools pair with interest-bearing tokens, layer lending-funded rewards on top, or use leverage - which is what usually spoils it.
Because the reward compensates work rather than capital. Validator staking secures a network, involves performing or delegating real work, and carries genuine risk since misbehaviour or downtime can cause slashing. That is service income with downside exposure. The exception is a product promising a fixed guaranteed APY regardless of network performance - a guaranteed return with no downside is a loan wearing a staking label.
Reward for securing the network, not for lending
Staking that compensates genuine validation work, with variable rewards and real slashing exposure, is the arrangement scholars discuss most permissively. The return is service income with downside rather than a payment for the use of capital.
Avoid products promising a fixed guaranteed APY. A guaranteed return without downside is lending regardless of the label.
Evidence used to explain the general principle. These references do not replace personal scholar review.
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