Sharia's Bitcoin Question Has No Clean Verdict

In September 2017, the People's Bank of China banned crypto transactions outright. By 2018, Japan, Germany, and Switzerland had moved the other way - legalizing Bitcoin as a payment instrument, however imperfectly. Saudi Arabia and the UAE issued warnings to their citizens. Iran's central bank forbade financial institutions from touching it.

That's the regulatory backdrop. The Islamic legal one is messier.

Robert Kurek and Jacek Adamek's 2018 paper in Annales UMCS catalogues something the Western crypto press tends to flatten: there is no unified Islamic ruling on Bitcoin. Not from competing fatwas, not from central banks in Muslim-majority states, not from the Sharia advisory boards inside Islamic financial institutions. The disagreement is structural.

What money is allowed to be

Islam recognizes two forms of money: natural (gold and silver, intrinsically valuable, divinely sanctioned per Al-Ghazali) and customary (what society accepts by convention). Customary money splits further into commodity-based - gold, silver, dates, wheat, barley, salt - and fiat. The constant across categories: money is a measure, a medium, a deferred-payment marker. Not a tradable commodity in itself. Not productive on its own. Money becomes capital only when paired with effort, risk, and real economic activity.

That framework is what Bitcoin runs into.

The "no" camp

Egypt's Grand Mufti Shawki Allam issued a fatwa against Bitcoin: anonymous, used for illegal activity, no central oversight. Turkey's High Religious Council called it speculative and lacking state-backed credibility. Saudi cleric Assim Al-Hakeem flagged its anonymity as an open door to laundering, drug money, and haram funds. UK-based Sheikh Haitam piled on - not asset-backed, created from nothing, no central monitoring.

The throughline: Bitcoin fails the legitimacy and oversight tests. Speculation looks too much like gharar (excessive uncertainty) and maysir (gambling), both prohibited.

The "yes" camp

Mufti Muhammad Abu-Bakar argued Bitcoin is permissible because the market gives it value and society accepts it as a medium of exchange. South Africa's Darul Uloom Zakarriyya fatwa concluded it meets the conditions for trade, contingent on regulatory recognition. Datuk Mohd Daud, head of Bank Negara Malaysia's Sharia Advisory Council, made a sharper point: volatility isn't unique to Bitcoin, and Sharia doesn't ban things simply because they carry risk. Monzer Khaf went further - Bitcoin is money, full stop, and all Islamic rules apply. Spot trades only. No leverage, no futures, no pure speculation.

Sheikh Adnan Al-Zahrani took the longest view: cryptocurrency is just money evolving.

The view from outside

Non-Muslim scholars who've worked through the compatibility question land somewhere unexpected. Evans argued Bitcoin may actually be more compatible with Islamic banking than interest-bearing fiat - free of riba, capped supply, predictable issuance, and beyond the reach of political devaluation. Bergstra mapped Bitcoin against five Islamic finance pillars and found it clears four; mining is the holdout, since the proof-of-work lottery resembles gambling. Oziev and Yandiev's compliance audit found Bitcoin compatible on most points, neutral on several, and non-compliant on two: it doesn't reduce social stratification, and ownership transparency is weak.

Their bottom line: insufficient evidence to call Bitcoin haram outright. But speculative mining is out, and saving in Bitcoin is currently inadvisable given volatility.

What's actually being argued

Kurek and Adamek's sharpest observation isn't about Bitcoin. It's about interpretive priors. Scholars who lean permissive start from the principle that all economic activity is allowed unless explicitly forbidden. Scholars who lean restrictive start from the inverse - that financial novelty requires affirmative justification. Bitcoin is the same object in both cases. The verdict differs because the starting point does.

The technical knowledge gap doesn't help. Many scholars issuing rulings are theologians and jurists by training, not economists or technologists. Some Sharia board members sit inside financial institutions whose interests aren't neutral.

So the real question isn't whether Bitcoin is halal. It's whether Islamic jurisprudence develops a shared methodology for new financial primitives - or keeps producing contradictory verdicts as each one arrives.

Sources: Kurek & Adamek, "Bitcoin jako pieniądz w perspektywie islamu," Annales UMCS Sectio H, Vol. LII/3 (2018); Abu-Bakar, "Shariah Analysis of Bitcoin, Cryptocurrency, and Blockchain" (Blossom Finance, 2018); Evans, "Bitcoin in Islamic Banking and Finance," Journal of Islamic Banking and Finance (2015); Oziev & Yandiev, "Cryptocurrency from Shari'ah Perspective" (SSRN, 2017); Bergstra, "Bitcoin and Islamic Finance" (2014); fatwa reporting via RT, Bitcoin.com, and Albawaba (2017-2018).