Horizen ZEN
Quick Answer

Is Horizen halal?

Horizen is classified as doubtful (mashbooh) with a Shariah compliance score of 69.9/100 based on our scholar-approved methodology. The staking mechanism requires careful evaluation from an Islamic perspective. Muslims should also carefully evaluate any DeFi protocols built on this platform to avoid interest-based applications.

Overall69.9Mashbooh · Doubtful · Risky
Riba70.6Minor Riba
Gharar65.6Moderate Gharar (Material Uncertainty)
Maysir74Minor Maysir (Incidental)

Shariah does not require a currency to have intrinsic value; what matters is social acceptance.

Ziyaad Mahomed, Shariah Committee Chairman, HSBC Amanah Malaysia Bhd
69.970.6RIBA65.6GHARAR74MAYSIR
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GhararSharia pillar · 65.6/100 · Review · 15 criteria

Moderate Gharar (Material Uncertainty). Prohibition of contracts with excessive ambiguity or hidden risk.

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Team Transparency & Credibility72
Ethical Practices90
Transparency85
Governance78
Launch Fairness82
Token Distribution75
Speculation / Utility Ratio70
Financial Status60
Audit Quality35
Governance Rights78
Rewards Distribution82
Asset Backing72
Mechanism Type45
Documentation25
Shariah Alignment35
How ZEN compares
Dash
83
Zcash
82.2
Decred
77.2
Horizen (ZEN)
69.9
Syscoin
68
Firo
60.7

Compare directly: vs Dash · vs Syscoin · vs Firo

Purify your profits from ZEN

A portion of profit from ZEN isn't fully yours to keep — here's how to return it

What does "purification" mean?

Even fully screened assets can pick up small amounts of tainted income along the way — purification means giving that specific portion back, not paying extra.

Based on Horizen's riba, gharar and maysir screening — see how we calculate purification amounts.

Overseen by Imam Omar Siddiqi, Shariah scholar and Imam of JMIC, among others, with donations paid directly to Jamiya Masjid & Islamic Centre — UK registered charity no. 1089986. Sent wallet-to-wallet; CryptoUmmah never custodies your funds. Always verify the destination address before confirming in your wallet.

Mashbooh · Doubtful · Risky

Your exact purification amount, calculated from Horizen's Shariah compliance score.

$
Amount to return0.00 USDC

to Jamiya Masjid & Islamic Centre, a registered UK charity

Purification isn't Zakat and isn't tax-deductible — it's the return of income that wasn't rightfully yours.

Scholar-verified · UK registered charity
Key facts
Last reviewed
Written by
ThanvirThanvirFounder, Ex Director S&P Global Energy
Reviewed by
Imam Omar SiddiqiImam Omar SiddiqiShariah Scholar
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The research

Full Shariah compliance report for Horizen

What is Horizen?

What Makes Horizen Unique?

Horizen is a general-purpose, scalable blockchain platform built around a "truth engine" model, using zero-knowledge cryptography and a Cross-Chain Transfer Protocol (CCTP) to validate consensus across a theoretically unlimited number of customizable sidechains. This architecture allows developers to deploy application-specific chains with their own consensus rules while anchoring security to Horizen's proof-of-work mainchain, making it one of the most modular and extensible Layer-1 platforms in the industry.

Core Features

  • Cross-Chain Transfer Protocol (CCTP): A purpose-built mechanism that enables trustless communication and asset transfers between the Horizen mainchain and its sidechains, allowing each sidechain to operate with decoupled consensus without sacrificing security guarantees from the base layer.
  • Tiered Node Network: Horizen operates three distinct node tiers — full nodes, Secure Nodes, and Super Nodes — each receiving a share of the block subsidy (10% each for Secure and Super Nodes), creating layered economic incentives for network participation and resilience.
  • EON EVM-Compatible Sidechain: The Horizen EON chain is a proof-of-stake, Ethereum Virtual Machine-compatible environment that allows Solidity developers to deploy smart contracts and decentralized applications within the Horizen ecosystem without modifying existing code.
  • Equihash Proof-of-Work Mainchain: The mainchain uses the Equihash algorithm, which is ASIC-resistant by design, promoting broader miner participation and reducing the risk of mining centralization that can undermine network security.

What Is Horizen Used For?

Horizen's infrastructure has been used to power enterprise-grade sidechain deployments, with Horizen Labs serving as a key development partner driving adoption of the EON platform for decentralized application builders. The ecosystem supports DeFi protocols, NFT platforms, and developer tooling built on EON, while the mainchain continues to serve as a security anchor for sidechain consensus. Horizen's node network, comprising thousands of globally distributed nodes, represents one of the larger decentralized infrastructure footprints among Layer-1 platforms.

Alternatives to Horizen

CoinVerdictScoreNotable difference
Dash DASH
Same category: Masternodes
Halal83DASH scores 19.3 points higher in Riba, 11.1 points higher in Gharar and 7.3 points higher in Maysir.
Purification: 0.5-1.0% of profits
Syscoin SYS
Same category: Masternodes
Mashbooh68SYS scores 5.8 points lower in Maysir, 1.1 points lower in Gharar and 0.4 points higher in Riba.
Purification: 4.0-6.0% of profits
Firo FIRO
Same category: Masternodes
Mashbooh60.7FIRO scores 9.9 points lower in Maysir, 9.1 points lower in Gharar and 8.6 points lower in Riba.
Purification: 5.5-7.5% of profits
Zcash ZEC
Same category: Zero Knowledge (ZK)
Halal82.2ZEC scores 19.3 points higher in Riba, 12.2 points higher in Gharar and 3.1 points higher in Maysir.
Purification: 0.5-1.0% of profits
Decred DCR
Same category: Governance
Halal77.2DCR scores 9.4 points higher in Gharar, 7.6 points higher in Riba and 4.5 points higher in Maysir.
Purification: 1.0-1.5% of profits
Ergo ERG
Same category: Zero Knowledge (ZK)
Halal75.8ERG scores 10.7 points higher in Riba, 4 points higher in Gharar and 1.9 points higher in Maysir.
Purification: 1.5-2.0% of profits
Flux FLUX
Same category: Masternodes
Halal75.3FLUX scores 7.6 points higher in Riba, 6.1 points higher in Gharar and 1.5 points higher in Maysir.
Purification: 1.5-2.0% of profits
Ycash YEC
Same category: Zero Knowledge (ZK)
Halal73.5YEC scores 10.7 points higher in Riba, 2.2 points lower in Maysir and 0.3 points higher in Gharar.
Purification: 1.5-2.0% of profits

ZEN and Islamic finance principles

Islamic Finance Principles Assessment

Riba - Does Horizen Include Any Interest-Based Elements?

Horizen's protocol design does not incorporate interest-bearing mechanisms, lending facilities, or any structure that generates returns through the time-value of money in the manner prohibited under Islamic finance principles. Rewards distributed across the network derive from block subsidies tied to mining activity and node operation, not from debt instruments or fixed-rate financial contracts. For Muslim investors, the base protocol presents no identifiable riba concern at the structural level.

Assessment: Minor Riba Score: 70.6/100

Our methodology examines 10 specific criteria to evaluate how well Horizen avoids interest-based mechanisms.

The Horizen protocol generates no revenue in the conventional sense. Its economic model is built entirely around a proof-of-work block subsidy: newly minted ZEN tokens are distributed per block to miners, Secure Nodes, and Super Nodes according to fixed proportional allocations (10% each to the two node tiers, with the remainder to miners). There is no protocol-level lending, no interest accrual on held assets, and no treasury documented as holding interest-bearing instruments. The value flowing through the system is a function of computational work and infrastructure provision, not the lending of capital at a predetermined rate of return, which keeps the revenue model structurally free of riba.

The staking-like rewards available through Horizen's node tiers — and through the proof-of-stake consensus on the EON sidechain — are variable and performance-contingent rather than fixed contractual returns. Secure Node and Super Node operators receive a share of block subsidies that fluctuates with network activity, total node count, and ZEN's issuance schedule. This variability is an important distinction from riba: the return is not guaranteed, not predetermined by a lending contract, and is tied directly to the provision of a real service (network validation and uptime). Scholars in Islamic finance have generally distinguished such variable, service-linked rewards from prohibited interest, supporting the permissibility of this reward structure.


Gharar - How Much Uncertainty Does Horizen Involve?

Horizen exhibits a moderate level of uncertainty typical of open-source blockchain infrastructure projects, mitigated substantially by its public documentation, open codebase, and transparent tokenomics. The primary sources of residual uncertainty are ecosystem adoption risk and the competitive dynamics of the broader smart contract platform market, rather than any opacity in the protocol's own design or governance. On balance, the project's disclosure quality meaningfully reduces the gharar concern for a prospective Muslim investor.

Assessment: Moderate Gharar (Material Uncertainty) Score: 65.6/100

Our methodology examines 15 specific criteria including team transparency, audit quality, and governance.

Horizen's development is led by Horizen Labs, a named entity with publicly identified leadership, which reduces the anonymity risk that elevates gharar in some blockchain projects. The protocol's architecture is documented in detailed technical whitepapers covering the CCTP, sidechain mechanics, node tiers, and the Equihash mainchain, all of which are publicly accessible. The codebase is open-source, allowing independent verification of protocol behavior. This combination of named institutional stewardship, comprehensive technical documentation, and open-source transparency places Horizen well above the threshold of disclosure quality that Islamic finance scholars typically require to consider a financial instrument sufficiently defined and knowable.

On the question of audits and formal risk disclosure, Horizen Labs has engaged in technical reviews of the EON EVM environment and the CCTP, consistent with industry practice for projects of this complexity. Smart contract risk on sidechains remains a genuine technical uncertainty, as is standard across EVM-compatible platforms, and users deploying capital into EON-based DeFi protocols should be aware that sidechain-level risks are distinct from mainchain security. The project's documentation does address these architectural boundaries. While no blockchain project can be considered fully audited in perpetuity given ongoing development, Horizen's disclosure posture is substantive and does not introduce material gharar at the base protocol level.


Maysir - Does Horizen Involve Gambling or Speculation?

Horizen is not designed for gambling, and its core function as a sidechain infrastructure platform and proof-of-work blockchain is entirely distinct from any game-of-chance structure. The ZEN token serves as the native currency for transaction fees, node collateral, and network participation across a functioning multi-chain ecosystem, grounding it in productive utility rather than speculative wagering. The maysir analysis for Horizen therefore turns primarily on distinguishing legitimate secondary-market price speculation from the protocol's own design intent.

Assessment: Minor Maysir (Incidental) Score: 74/100

Our methodology examines 11 specific criteria to determine if Horizen is primarily a gambling instrument or a genuine economic tool.

Horizen's genuine utility is multi-layered and operationally active. The ZEN token is required to operate Secure Nodes and Super Nodes, creating real demand tied to infrastructure provision rather than pure price speculation. The EON sidechain hosts live decentralized applications, and the CCTP enables real cross-chain asset movement with cryptographic security guarantees. Developers use the platform to deploy application-specific blockchains without building security infrastructure from scratch. These are substantive productive functions: the protocol processes real transactions, secures real data, and provides real services to real users. This productive foundation is precisely what distinguishes a functional blockchain asset from a maysir instrument, which derives its entire value from the outcome of a chance event.

It is accurate that ZEN, like all publicly traded cryptocurrency assets, is subject to speculative trading behavior in secondary markets, with price volatility that can attract participants motivated purely by short-term price movements rather than any interest in the underlying network. This is a factual observation about market behavior, not a characteristic of the protocol itself. The availability of leveraged trading products referencing ZEN on third-party exchanges is similarly a function of those platforms' product decisions, not Horizen's design. Such third-party misuse of a neutral instrument is not determinative of the coin's own Shariah ruling. The protocol's documented utility, active node network, and developer ecosystem provide sufficient productive grounding to distinguish ZEN from a maysir instrument at the asset level.

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ZEN staking and rewards

Is Staking Horizen Halal?

Staking ZEN exists in a state of meaningful uncertainty at present, as Horizen has migrated to Base and the staking mechanism is explicitly described as forthcoming rather than fully operational. Given this transitional ambiguity, a definitive Shariah ruling on the staking arrangement cannot yet be issued with confidence, and Muslims holding significant ZEN positions are strongly advised to consult a qualified Islamic finance scholar before committing funds to any staking product once it launches.

Staking Score: 40/100

Islamic Contract Classification: The most probable structure for reintroduced ZEN staking, given Horizen's migration to an EVM-native environment on Base, is a delegation model in which token holders appoint validators to act on their behalf in securing the network. This arrangement most closely resembles a Wakalah contract, wherein the validator functions as an appointed agent undertaking defined responsibilities while the principal retains beneficial ownership of the underlying tokens. Wakalah is a well-established and generally permissible Islamic contract structure, provided the agent's fee or reward is clearly defined and the principal's capital is not treated as a loan to the validator. If the mechanism instead involves pooled participation with shared risk and proportional reward distribution, it may qualify as a form of Shirkat, which is likewise acceptable in principle. What would render the arrangement problematic from a Shariah perspective is any structure in which staked tokens are effectively lent to the protocol or validator with a predetermined fixed return, as this would introduce the character of Qard with guaranteed yield, approximating riba. Until the precise mechanics are published and independently reviewed, this contractual ambiguity remains unresolved.

How It Works: Horizen's staking mechanism is currently unavailable in its post-migration form, with the project having confirmed only that staking will be reintroduced following the July 2025 launch on Base. Prior to migration, the network operated a node collateralization model requiring ZEN to be locked as collateral for regular nodes, secure nodes, and super nodes, with rewards distributed for uptime and service provision. Whether the forthcoming mechanism will replicate this node-based model, adopt a conventional delegated proof-of-stake structure, or introduce an entirely new design has not been comprehensively documented. Consequently, details regarding custody arrangements, lock-up durations, minimum stake thresholds, and slashing conditions remain unspecified in available sources. This absence of technical transparency is itself a form of gharar that prudent investors should weigh carefully before participation.

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Final verdict: is Horizen halal?

Is Horizen Shariah Compliant?

Overall Shariah Compliance: 69.9/100

Mashbooh (Heavy Purification)

Horizen possesses genuine structural strengths: a fair launch with no pre-mine or ICO, substantive utility rooted in zero-knowledge cryptography and privacy infrastructure, and a governance model that confers real participatory rights on token holders. These qualities distinguish it meaningfully from speculative or purpose-built instruments. The residual concerns that introduce caution are threefold. First, the staking mechanism's contractual nature remains undisclosed, leaving open the possibility of a riba-adjacent fixed-return structure. Second, the privacy architecture, while not designed for illicit ends and not determinative of the coin's own ruling, does introduce a layer of gharar regarding the ultimate traceability of value flows that some scholars may weigh. Third, the availability of leveraged trading products on ZEN through third-party platforms, though entirely external to Horizen's own design and not reflective of the protocol's intent, means that investors must exercise discipline to avoid maysir-adjacent exposure through those venues.

In our screening, Horizen scores 69.9/100 overall — Riba 70.6/100, Gharar 65.6/100, Maysir 74/100.

WARNING: Horizen presents significant Shariah concerns. Most Muslims should avoid this investment.

Recommended Purification: 3.0-5.0% of profits

  • Donate 3.0-5.0% of any profit to charity (learn about purification)
  • Example: $1,000 profit -> $30-50 to charity -> $950-970 remains halal

Action Steps:

Disclaimer: This analysis is current as of July 2026. Always verify current status and consult scholars.

Last Updated: July 12, 2026

27-point Shariah breakdown of ZEN

Comprehensive Shariah Compliance Screening

Our 27-point methodology evaluates Horizen across five dimensions:

1. Legitimacy Screening (4 Criteria)

CriterionScoreDetailed Analysis
Team Transparency72/100Rob Viglione and Rowan Stone are publicly identified with verifiable backgrounds, but comprehensive profiles for all team members are absent, leaving partial transparency gaps.
Fraud & Scam Risk80/100No fraud, rug-pull, or scam indicators are present, and the project demonstrates longevity with documented milestones, though independent verification of all trust signals is limited.
Use Case Legitimacy85/100Horizen addresses genuine blockchain scalability challenges through its Zendoo sidechain protocol, with real-world applications in privacy infrastructure and enterprise deployments.
Ethical Practices90/100The coin's own design is neutral infrastructure for decentralized applications and privacy services, with no inherent connection to any haram industry in its core protocol design.

Legitimacy Summary: Horizen presents a partially transparent team with documented milestones and no fraud indicators, though comprehensive team disclosure and independent verification remain incomplete.


2. Project Operations Screening (9 Criteria)

CriterionScoreDetailed Analysis
Core Protocol Business90/100The base protocol functions as general-purpose blockchain infrastructure agnostic to sidechain use cases, with no involvement in prohibited sectors at the protocol level.
Transaction Fees78/100Transaction fees are distributed as block subsidies to miners and node operators in a fair, decentralized manner, though no fee-burning mechanism is present to further reduce extraction concerns.
Treasury Assets82/100No evidence of interest-bearing treasury holdings exists, as the protocol relies on decentralized block subsidy incentives rather than a centralized treasury accumulating riba-based assets.
Revenue Model85/100The base protocol generates no direct revenue and relies on PoW block subsidies distributed to miners and nodes, with no riba-based revenue mechanism at the core protocol level.
Transparency85/100The protocol is open-source with publicly available whitepapers and technical documentation, though comprehensive disclosure of all team and governance details remains incomplete.
Governance78/100Governance operates through PoW consensus, a tiered node structure, and a DAO treasury, but the absence of formal on-chain voting mechanisms and limited granular governance details reduce the score.
Launch Fairness82/100Horizen launched as a mineable PoW coin without an explicit ICO or pre-mine, supporting a fair-launch model, though full insider allocation details are not comprehensively documented.
Token Distribution75/100Block rewards are distributed across miners, node operators, and a DAO treasury in a decentralized manner, but the absence of detailed vesting schedules or insider allocation data limits confidence.
Speculation/Utility Ratio70/100ZEN has genuine utility in privacy infrastructure, sidechain operations, and governance, though speculative trading activity remains a significant component of its market behavior.

Operations Summary: The core protocol operates as neutral, open-source blockchain infrastructure with fair-launch PoW mechanics and decentralized incentives, though governance formalization and audit transparency need improvement.


3. Financial Health Screening (4 Criteria)

CriterionScoreDetailed Analysis
Protocol Revenue60/100The research conflates Horizen ZEN with Horizon Protocol HZN in the financial section, introducing riba-concern data that may not apply to ZEN's core protocol, which itself relies on block subsidies without interest-based revenue.
Financial Status60/100Financial metrics for ZEN are partially documented with historical context, but volatility, limited treasury transparency, and mixed research data reduce confidence in overall financial stability.
Interest Assessment72/100The core ZEN protocol does not incorporate lending or interest mechanisms, though the research notes some conflation with Horizon Protocol which does plan interest-bearing zAsset loans.
Audit Quality35/100No named audit firms, audit dates, or published findings are cited in the available research, representing a significant transparency deficiency for a project of this scope.

Financial Summary: The base ZEN protocol avoids riba-based revenue through block subsidy reliance, but research conflation with Horizon Protocol and the complete absence of formal audit documentation introduce meaningful uncertainty.


4. Token Economics Screening (5 Criteria)

CriterionScoreDetailed Analysis
Token Purpose85/100ZEN functions as a genuine utility token enabling private transactions, node collateral, sidechain operations, and DAO governance, with no meme characteristics in its design.
Governance Rights78/100ZEN holders participate in DAO governance including voting on proposals and treasury decisions, though granular details on proposal thresholds and voting mechanics are not fully disclosed.
Rewards Distribution82/100Rewards are distributed variably through PoW mining and node participation, fluctuating with network conditions and halving events rather than being fixed or interest-like in structure.
Speculation Controls30/100No explicit anti-speculation mechanisms such as lock-up periods, anti-whale controls, or vesting schedules are documented, leaving the token exposed to speculative market behavior.
Asset Backing72/100ZEN is backed by genuine utility in privacy infrastructure and ecosystem operations rather than haram assets, though as an unbacked utility token it carries inherent value volatility.

Tokenomics Summary: ZEN demonstrates genuine utility across privacy services, sidechain operations, and DAO governance with variable reward distribution, but lacks meaningful speculation controls and detailed distribution disclosures.


5. Staking Mechanism Screening (5 Criteria)

CriterionScoreDetailed Analysis
Mechanism Type45/100Staking is described as being reintroduced post-migration with no detailed documentation of custody arrangements, lock-up terms, or minimum stake requirements currently available.
Islamic Contract Classification40/100The Islamic contract classification cannot be definitively determined due to absent documentation, with the delegation model suggesting Wakalah but the risk of fixed-return structures resembling impermissible Qard remaining unresolved.
Rewards Structure45/100No explicit confirmation of variable versus fixed reward structures for the reintroduced staking mechanism is available, leaving the Shariah compliance of the rewards structure uncertain.
Documentation25/100Critical staking documentation is absent, including published terms and conditions, risk disclosures, validator selection criteria, and reward distribution details, representing a major transparency deficiency.
Shariah Alignment35/100Significant unresolved Shariah questions remain regarding the staking mechanism's contract classification, reward variability, and custody model, with insufficient documentation to assess compliance confidently.

Staking Summary: The reintroduced staking mechanism suffers from critical documentation gaps regarding custody, reward variability, and Islamic contract classification, leaving core Shariah compliance questions unresolved.


Overall Assessment:

Horizen presents a legitimate privacy-focused blockchain infrastructure project with genuine utility and fair-launch credentials, but significant deficiencies in audit transparency, staking documentation, and speculation controls limit its overall Shariah compliance confidence.

Frequently asked questions
Is delegating Horizen to a stake pool permissible?

Delegating Horizen to a stake pool falls under a MASHBOOH ruling, meaning it carries uncertainty and ambiguity in its permissibility. Muslims who choose to participate should exercise caution, consult a qualified Islamic finance scholar, and be prepared to purify a portion of any resulting profits.

Do I need to purify my Horizen staking rewards?

Yes, if you receive staking rewards from Horizen, purification is recommended given its MASHBOOH status, and you should set aside 3.0-5.0% of profits for charitable donation to cleanse those earnings. This purification does not automatically render the income fully halal but serves as a precautionary measure while the asset remains in a doubtful category.

Are Horizen staking rewards considered riba?

Horizen staking rewards are not straightforwardly classified as riba in the traditional sense, as they derive from network participation and validation rather than a guaranteed interest-bearing loan contract. However, the MASHBOOH verdict signals that there are unresolved concerns about the underlying mechanics, which is why purification of rewards is advised.

How do I calculate zakat on my Horizen holdings?

Zakat on Horizen holdings is calculated by first determining whether your total zakatable assets meet the nisab threshold, then applying the standard 2.5% rate to the market value of your Horizen holdings that have been in your possession for a full lunar year. Given the MASHBOOH status, scholars would generally still count it among zakatable digital assets if it holds measurable monetary value.

Can I gift Horizen to family members as a Muslim?

Gifting Horizen to family members is generally permissible as a transfer of ownership does not in itself constitute a prohibited transaction, provided the recipient understands the asset carries a MASHBOOH ruling. It is advisable to inform the recipient of this status so they can make their own informed decision about holding or purifying any gains.

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