Sei

No interest at protocol level; delegators earn variable rewards without slashing risk.

Riba is interest or any guaranteed increase on a loan. SEI has no lending function at the protocol level. Staking rewards come from gas and genesis token unlocks and vary, which Sharlife, the first authoritative source that rates Sei, and CryptoUmmah both accept. But Sei docs say there is no slashing of funds, so a delegator bears little risk and does no work, which makes the return closer to passive income; the score is lowered slightly within pass.

SEI is the working native asset of a live blockchain.

Mal is property that Islamic law recognises as having value. SEI pays gas on Sei, secures the chain through staking and is used to vote. Sharlife rates Sei permissible, so the general debate on whether crypto is property is reflected in confidence rather than in this score.

SEI has no chance-based payout or game mechanics.

Maysir is gambling: gaining or losing by chance rather than through productive exchange. SEI is a network fuel and staking token with no lottery or meme feature; ordinary price swings are not maysir. CryptoUmmah notes speculation around the token, but no coin-specific gambling mechanism is documented, so the criterion is at the maximum.

The network earns gas fees for processing transactions.

This criterion asks how the protocol earns. Sei charges gas for processing transactions, and validators and delegators receive those fees together with genesis unlocks. Sei Labs and the Sei Development Foundation are funded by investors such as Multicoin, Jump and Coinbase Ventures. No interest-based or other impermissible revenue was found, so the criterion is at the maximum.

Rules and code are public, but about a third of supply is still to be released and the chain is being re-engineered.

Gharar is excessive uncertainty or hidden information. Sei is open source, supply is fixed at 10 billion and staking rules are published. Two concrete points lower the score within pass: about 3.27 billion SEI was still outside circulation in October 2026 and is being released over time, partly to pay staking rewards; and SIP-3 removed Cosmos transactions and inbound IBC transfers in 2026, forcing holders of IBC assets to bridge them off. CryptoUmmah also notes limited audit disclosure and a transparency gap about the team.

SEI is used for gas, staking and governance.

This criterion looks at what the asset is actually used for. SEI pays transaction fees, is staked to secure the network and is used to vote. These are permissible uses, and no impermissible main use is documented, so the criterion is at the maximum.

Fully paid spot SEI is widely available and can be held in a self-custody wallet.

This criterion asks whether the asset can be owned in a permissible way. SEI trades spot with full payment and delivery on major exchanges and can be withdrawn to a self-custody wallet. Ownership does not depend on derivatives or leverage, so the criterion is at the maximum.

Sei provides fast, low-cost Ethereum-compatible infrastructure.

Maslahah weighs benefit against harm. Sei offers a fast, low-fee network for Ethereum-compatible applications and is working with institutions such as Mastercard on research into blockchain adoption. No concrete harm specific to SEI was found, so the criterion is at the maximum.