Glossary of terms

Halal
Permissible under Islamic law.
Haram
Forbidden under Islamic law.
Mashbooh
Doubtful — best avoided until clarified by a qualified scholar.
Riba
Interest or usury — any guaranteed, predetermined return on a loan. Prohibited.
Gharar
Excessive uncertainty or ambiguity in a contract or asset.
Maysir
Gambling or speculation where gain comes purely from chance.
Qabd
Taking possession — required (often immediately) when exchanging money or gold.
Fatwa
A scholarly legal opinion. It is guidance, not legislation, and scholars may differ.
Staking
Locking crypto to help run a network in return for rewards — which can raise a riba-like concern.
DeFi
Decentralized finance — lending, borrowing and trading via smart contracts, often interest-based.