HCS Score
85/100
Research Opinion, Not a Fatwa
These are absolute prohibitions in Islamic finance. If any red line is triggered, the asset is automatically classified as HARAM.
Ecosystem Riba Exposure
Not directly or indirectly connected to interest generating mechanisms
Gambling / Betting
No gambling or betting mechanism
Haram Industry
Not involved in haram industry
The asset is scored across 7 Shariah principles.
Based on Red Line Screening and HCS Scoring.
Halal
This cryptocurrency is evaluated as Halal for investment and use because it shows strong alignment with CoinStudy HCS principles.
Explanation
This asset demonstrates strong Sharia compliance with real utility and transparent financial structure.
Reviewed by
CoinStudy Shariah Board
Ethereum Classic has one of the most principled origin stories in all of crypto.
In 2016, the original Ethereum blockchain suffered a catastrophic exploit. A vulnerability in a smart contract called The DAO was used to drain approximately $60 million worth of Ether. The Ethereum community faced a choice that had never been faced before in blockchain history: roll back the chain to undo the hack, or let it stand as an immutable permanent record.
Most of the community chose to roll back. They believed protecting users from catastrophic loss outweighed the principle of blockchain immutability. That chain became what we now call Ethereum.
A minority refused. They believed that code is law, that if you build on an immutable blockchain, that immutability must be absolute, even when the outcome is painful. They kept the original, unmodified chain running exactly as it was. That chain became Ethereum Classic.
That founding principle, an uncompromising commitment to immutability and decentralization regardless of consequences, still defines Ethereum Classic today. For Muslim investors, this principle has meaningful implications beyond the technical. We ran ETC through the full CoinStudy Halal Crypto Standard (HCS) methodology. Here is the complete picture.
Ethereum Classic passes the CoinStudy HCS Sharia red-line screening with no violations. It scores 85 out of 100 and is classified as Halal. The network has genuine smart contract utility, a strong commitment to decentralization and immutability, no built-in interest mechanism, and a transparent open-source infrastructure design that has operated continuously since 2016.
Ethereum Classic is a decentralized blockchain platform that supports smart contracts, decentralized applications, digital assets, and blockchain infrastructure services, operating on the original unmodified Ethereum codebase that has never been altered since the 2016 fork.
The network enables developers to build and deploy smart contracts, decentralized applications, tokenized assets, identity systems, and Web3 services directly on a Proof of Work secured blockchain. ETC tokens are used to pay transaction fees for computation on the network, secure the blockchain through mining rewards, and enable smart contract execution.
One of Ethereum Classic's defining characteristics is its absolute commitment to blockchain immutability. The project has maintained the original Ethereum codebase without politically motivated changes, a position that makes it one of the most philosophically consistent blockchain projects in existence and one that has genuine resonance with Islamic finance values around contractual integrity and trustworthiness.
Ethereum Classic operates as a decentralized blockchain using Proof of Work consensus, the same mining mechanism Bitcoin uses, rather than the Proof of Stake system that Ethereum adopted in 2022.
This design choice is intentional and significant. Proof of Work provides a security model where miners secure the network by providing genuine computational work rather than by locking up token stakes. The longest valid chain, the one representing the most accumulated computational work, is the true blockchain. No token holder votes on the chain's history. No validator can be slashed. The computation itself determines truth.
Miners earn ETC as rewards for producing valid blocks, with block rewards varying according to the network's emission schedule. This creates a direct and honest economic relationship between genuine computational service and network reward, with no predetermined return on staked capital of the kind that raises questions about Proof of Stake staking yields.
ETC tokens pay for computation on the network. Transaction fees, smart contract execution costs, and network operations all require ETC. This clear functional utility tied to real network activity rather than speculative financial mechanisms is one of the strongest compliance features of Ethereum Classic's design.
Ethereum Classic's founding commitment to immutability deserves specific attention in the Islamic finance context because it connects directly to values that Islamic finance holds at its core.
Islamic finance places significant emphasis on the sanctity of contracts and the importance of honoring agreements exactly as made. The principle that what is contracted is contracted, that records cannot be retroactively rewritten by any authority regardless of how inconvenient the record is, reflects deeply held Islamic commercial ethics around trustworthiness, reliability, and the inviolability of agreed terms.
Ethereum Classic's insistence that the blockchain record is permanent and unchangeable, even when the outcome was the loss of $60 million and even when the majority of the community wanted to rewrite history, reflects this same principle applied to technological infrastructure. What is recorded is recorded. No authority can rewrite it. The blockchain is what it is.
This philosophical alignment between Ethereum Classic's immutability commitment and Islamic finance's emphasis on contractual integrity and honest record-keeping is genuinely positive from a compliance perspective. It contributes directly to the strong Transparency and Governance score by representing a blockchain that has actually lived by its principles in an extreme test case rather than merely claiming to.
This is worth specific attention for Muslim investors who have been following CoinStudy's analyses of Proof of Stake networks.
Since Ethereum transitioned to Proof of Stake in September 2022, staking rewards on Ethereum have created a compliance question that CoinStudy's analysis reflects in the score. The staking yield mechanism, where validators lock ETH and receive ongoing percentage returns from block production, sits in scholarly grey area regarding whether it constitutes permissible Ijarah-style compensation for genuine network security service or resembles predetermined percentage-based returns on deposited capital that approach Riba concerns.
Ethereum Classic's Proof of Work model entirely avoids this question. There is no staking. There are no staking yields. There is no mechanism by which holding ETC generates ongoing percentage returns simply from the act of holding or locking it. Miners provide genuine computational work and earn variable rewards from that work. The relationship between service provision and compensation is direct and unambiguous.
For Muslim investors who want smart contract infrastructure exposure without any staking yield complexity, Ethereum Classic's Proof of Work model is actually simpler and cleaner from a compliance perspective than Ethereum's Proof of Stake model in this specific dimension.
CoinStudy's commitment to honest analysis requires directly addressing Ethereum Classic's network security history.
Since the 2016 fork, Ethereum Classic has experienced multiple 51% attacks, the most significant occurring in August 2020 when an attacker with sufficient mining hash power temporarily controlled the network and reorganized the blockchain to reverse completed transactions. This attack resulted in double-spending of significant amounts of ETC.
The 51% attacks are possible because Ethereum Classic has substantially less mining hash power than Bitcoin, making it significantly more economical for an attacker to acquire enough computational power to temporarily control the majority of the network's hash rate. The attacks exploited this economic reality.
From an Islamic finance perspective, these attacks do not constitute a Sharia compliance violation. The compliance assessment is based on the protocol's design and economic structure, not on whether attackers have historically successfully exploited its security properties. But they are genuinely relevant investment information that responsible Muslim investors deserve to understand clearly.
Practically, the 51% attacks demonstrated that Ethereum Classic's immutability principle, while philosophically admirable, can be compromised by sufficiently resourced attackers. A blockchain whose history can be rewritten by attackers with enough hash power is not fully immutable in practice, even if it is immutable in principle against political changes.
These security limitations are honestly reflected in the Gharar and Utility scores and are part of why Ethereum Classic's overall score is 85 rather than higher.
Ethereum Classic is not built around lending systems, borrowing markets, fixed-interest products, debt-based finance, or yield-generating financial structures. Its purpose is providing decentralized blockchain infrastructure and smart contract functionality through Proof of Work secured computation.
At the protocol level ETC is completely free from Riba. The score of 24 out of 25 on Financial Exposure Risk reflects this clean core protocol with a small deduction for DeFi ecosystem applications that independent developers have built on Ethereum Classic, consistent with how CoinStudy treats all general-purpose smart contract platforms under the infrastructure neutrality principle.
Ethereum Classic has operated continuously since 2016, providing an operational track record of nearly a decade that reduces foundational protocol uncertainty meaningfully. The code is open-source, publicly auditable, and consistently implemented. Transaction rules are known and reliably enforced.
The Gharar score of 12 out of 15 reflects this genuine transparency and operational history alongside honest acknowledgment of ecosystem growth uncertainty and the security concerns from the 51% attack history. The attacks themselves are a source of practical uncertainty about the reliability of the network for serious applications despite the protocol's technical transparency.
Ethereum Classic was built as smart contract infrastructure, not as a speculative financial instrument or gambling platform. The network's purpose is providing decentralized computing services for applications that developers choose to build and deploy.
The Maysir score of 11 out of 15 reflects this genuine infrastructure purpose alongside honest acknowledgment of speculative market trading in ETC and the higher-risk DeFi applications that independent developers have built within the ecosystem, consistent with how CoinStudy scores other smart contract infrastructure platforms.
Ecosystem Riba Exposure — ✅ Passed. Not an interest-based lending or borrowing protocol. Pure Proof of Work blockchain infrastructure with fee-based computation model.
Gambling and Betting — ✅ Passed. No gambling or betting mechanism exists at the protocol level.
Haram Industry — ✅ Passed. Decentralized blockchain computing infrastructure is a permissible economic activity.
Guaranteed Interest — ✅ Passed. Proof of Work mining rewards are variable and tied to genuine computational work rather than predetermined capital-based returns.
Synthetic Interest Products — ✅ Passed. ETC is a gas and utility token for Proof of Work mining with no synthetic interest structure.
No red line violations were found. ETC is fully eligible for HCS scoring.
Ethereum Classic is scored across 7 Shariah principles with a total of 100 points.
On Financial Exposure Risk, weighted at 25%, ETC scores 24 out of 25. Clean protocol with no interest-generating mechanism and a Proof of Work model that avoids the staking yield complexity present in Proof of Stake alternatives. Small deduction for DeFi ecosystem applications built independently on the network.
On Gharar and Uncertainty, weighted at 15%, ETC scores 12 out of 15. Genuine technical transparency through open-source code and nearly a decade of continuous operation. Deductions reflect the 51% attack history that creates practical security uncertainty, ecosystem size limitations, and competitive challenges from larger smart contract platforms.
On Maysir and Speculation, weighted at 15%, ETC scores 11 out of 15. Clear infrastructure purpose with no gambling mechanics in the core protocol. Deductions reflect speculative market trading in ETC and some higher-risk applications within the broader ecosystem.
On Underlying Business Activity, weighted at 15%, ETC scores 14 out of 15. Decentralized smart contract infrastructure and blockchain computing services are fully permissible and represent genuine productive economic activity. Small deduction acknowledging the more limited ecosystem development relative to the project's age and potential.
On Utility and Real Use, weighted at 10%, ETC scores 8 out of 10. Real smart contract utility with genuine applications deployed and operating on the network. Deductions reflect the smaller ecosystem breadth compared to Ethereum and other competing smart contract platforms, and the practical security concerns from the 51% attack history that limit the network's reliability for high-value serious applications.
On Tokenomics Fairness, weighted at 10%, ETC scores 8 out of 10. Proof of Work mining creates a relatively fair and competitive token distribution model where miners earn based on genuine computational work rather than stake size. Early mining concentration is acknowledged. The emission schedule is transparent and consistently implemented.
On Transparency and Governance, weighted at 10%, ETC scores 8 out of 10. Open-source, publicly auditable, with community-driven governance that has actually demonstrated its immutability commitment in a genuine test case. The founding decision to maintain the original chain rather than roll back represents a real and costly demonstration of principle rather than merely a claim. Deductions reflect the more limited developer community governance compared to larger projects with more formal governance structures.
Overall HCS Score: 85 out of 100 — Halal
Muslim investors who have read CoinStudy's Ethereum analysis at 88 out of 100 Halal will naturally ask why ETC scores three points lower and whether those differences matter from an Islamic finance perspective.
Both are Halal-rated smart contract platforms. Both pass all Sharia red lines. Both provide genuine decentralized computing infrastructure. The three-point difference comes from two specific dimensions rather than any fundamental compliance divergence.
On ecosystem size and utility, Ethereum's dramatically larger developer community, deeper application ecosystem, and broader institutional adoption provide stronger evidence of genuine real-world utility at scale. ETC's ecosystem is genuine and functional but significantly more limited in breadth and depth.
On security reliability, Ethereum's transition to Proof of Stake brought the network's consensus security to a level that has not experienced the kind of 51% attack vulnerabilities that ETC has faced. While Proof of Work is philosophically simpler from a compliance perspective, ETC's specific implementation carries practical security risks that ETH does not share at its current size and hash rate.
The Islamic finance compliance profiles are genuinely comparable. The investment quality profiles differ in ways that these three points honestly reflect. Both are classified as Halal. The choice between them for a Muslim investor depends on conviction about the relative merits of their specific technical approaches and ecosystem development rather than on Sharia compliance differences.
Despite losing the majority of Ethereum's developer ecosystem after the 2016 fork, Ethereum Classic has maintained a committed and ideologically coherent community for nearly a decade.
This persistence reflects genuine belief in the principles the network was founded on. Developers and investors who choose ETC over ETH are typically making a deliberate philosophical choice about blockchain governance and immutability principles rather than following ecosystem momentum.
For Muslim investors who value principled consistency and genuine commitment to stated values as a positive characteristic in the projects they support, Ethereum Classic's track record of maintaining its founding principles for nearly a decade against significant competitive and economic pressure is worth acknowledging as a genuinely positive characteristic beyond the technical scores.
Before investing in Ethereum Classic, ask yourself honestly.
Do I understand the 2016 fork history and what it means philosophically about Ethereum Classic's approach to blockchain governance? Am I aware of the 51% attack history and what it means practically for the network's security reliability compared to other Proof of Work networks like Bitcoin? Do I understand that ETC's ecosystem is smaller than Ethereum's and that this limits the breadth of applications and institutional adoption? Am I investing based on genuine conviction in the immutability and Proof of Work principles rather than following name recognition or momentum? Would I be comfortable explaining Ethereum Classic's security limitations alongside its compliance strengths to a qualified Islamic scholar?
Ethereum Classic rewards investors who understand its specific principles and make deliberate choices based on those principles rather than investors following broader crypto market trends.
Ethereum Classic (ETC) is generally considered halal under the CoinStudy Halal Crypto Standard with a score of 85 out of 100.
It serves a legitimate technological purpose as decentralized smart contract infrastructure operating on a Proof of Work model that avoids the staking yield complexity of Proof of Stake alternatives. It operates without built-in interest mechanisms. It has maintained its founding immutability principles for nearly a decade in a genuine demonstration of principled consistency.
The concerns around the 51% attack security history, smaller ecosystem size, limited developer adoption relative to competing platforms, and competitive positioning challenges are real and honestly reflected in the score. But they do not constitute Sharia violations. They are investment considerations alongside genuine compliance strengths that responsible Muslim investors should understand clearly before making any investment decision.
For Muslim investors who value principled decentralization, Proof of Work security models, and immutability commitments as expressions of genuine blockchain integrity, Ethereum Classic is a genuinely Sharia-compatible blockchain infrastructure investment with a distinct and consistent philosophical identity.
Disclaimer: This analysis is provided for educational and research purposes only. This analysis is based on guidance from CoinStudy's HCS Shariah Board members. CoinStudy does not issue personal fatwas or financial advice. Please consult a qualified Islamic scholar for individual guidance.
Guaranteed Interest
No guaranteed interest obligations
Synthetic Interest Products
No synthetic interest instruments
No Red Line Violations
This asset passed all Sharia red line checks.
Financial Exposure Risk
25%Degree of indirect financial exposure to interest-based products in the broader ecosystem.
Gharar / Uncertainty
15%Clarity in contracts and absence of excessive uncertainty
Maysir / Speculation
15%No gambling-like mechanics or high speculation design
Underlying Business Activity
15%The nature of the project's core business is permissible
Utility / Real Use
10%Genuine utility and real economic value
Tokenomics Fairness
10%Fair distribution, no exploitation, sustainable tokenomics
Transparency & Governance
10%Open-source, audited, clear governance structure
