Stacks STX
Quick Answer

Is Stacks halal?

Yes, Stacks is considered halal for Muslim traders and investors with a Shariah compliance score of 76.4/100 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.

Overall76.4Halal · Recommended with Purification
Riba80.3Minor Riba
Gharar72.9Minor Gharar (Mostly Clear)
Maysir75.3Minor Maysir (Incidental)

Shariah screening of crypto-assets... Legitimacy, Project, Financials, Token, and Staking screening is absolutely essential.

Mufti Faraz Adam
76.480.3RIBA72.9GHARAR75.3MAYSIR
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GhararSharia pillar · 72.9/100 · Compliant · 15 criteria

Minor Gharar (Mostly Clear). Prohibition of contracts with excessive ambiguity or hidden risk.

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Team Transparency & Credibility62
Ethical Practices88
Transparency83
Governance75
Launch Fairness68
Token Distribution65
Speculation / Utility Ratio72
Financial Status72
Audit Quality55
Governance Rights72
Rewards Distribution82
Asset Backing78
Mechanism Type80
Documentation72
Shariah Alignment70
How STX compares
Cartesi
77.5
Stacks (STX)
76.4
Fuel Network
68
Capx AI
58.6
Tokamak Network
56.5
Corn
55.8

Compare directly: vs Cartesi · vs Fuel Network · vs Capx AI

Purify your profits from STX

A portion of profit from STX 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 Stacks'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.

Halal · Recommended with Purification

Your exact purification amount, calculated from Stacks'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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Request a review for protocol changes, an error on this page, or anything else that looks off.

The research

Full Shariah compliance report for Stacks

What is Stacks?

What Makes Stacks Unique?

Stacks occupies a singular position in the blockchain landscape as a Layer 1 protocol that uses Bitcoin as its settlement and security layer, enabling smart contracts and decentralized applications without modifying Bitcoin's core code. Its Proof-of-Transfer (PoX) consensus mechanism anchors every Stacks block to Bitcoin's immutable ledger, meaning that the full security of the world's most battle-tested blockchain underpins every transaction executed on Stacks.

Core Features

  • Proof-of-Transfer (PoX): A novel consensus mechanism in which miners commit Bitcoin to participate in block production, receiving STX rewards in return, while STX holders who lock their tokens ("stack") receive the committed BTC directly — creating a yield denominated in Bitcoin rather than an inflationary token.
  • Clarity Smart Contracts: A purpose-built, decidable programming language for writing smart contracts that allows developers and auditors to know with certainty what a contract will do before it executes, reducing the risk of exploits and unintended behavior that have plagued Solidity-based ecosystems.
  • Bitcoin Finality: All Stacks transactions ultimately settle on the Bitcoin base layer, meaning the canonical history of Stacks is as permanent and censorship-resistant as Bitcoin itself, a property no Ethereum-based Layer 2 can claim.
  • STX Token Utility: STX serves as the native fuel for transaction fees, smart contract execution, and participation in PoX stacking, giving the token clear and multi-dimensional functional demand within the protocol's own design.

What Is Stacks Used For?

Stacks hosts a growing ecosystem of Bitcoin-native decentralized finance, non-fungible token platforms, and Web3 applications, with projects such as Alex (a DeFi exchange), Arkadiko (a stablecoin and lending protocol), and Gamma (an NFT marketplace) among its most prominent deployments. The protocol has attracted developer grants through the Stacks Foundation and has seen institutional interest from entities seeking to build programmable financial products secured by Bitcoin. Its adoption reflects a genuine demand for smart contract functionality within the Bitcoin ecosystem rather than a migration away from it.

Alternatives to Stacks

CoinVerdictScoreNotable difference
Cartesi CTSI
Same category: Infrastructure
Halal77.5CTSI scores 2.9 points higher in Riba, 1.5 points higher in Maysir and 1.2 points lower in Gharar.
Purification: 1.0-1.5% of profits
Fuel Network FUEL
Same category: Infrastructure
Mashbooh68FUEL scores 10.3 points lower in Riba, 7.6 points lower in Maysir and 6.9 points lower in Gharar.
Purification: 3.5-5.5% of profits
Capx AI CAPX
Same category: Infrastructure
Mashbooh58.6CAPX scores 19.5 points lower in Gharar, 17.8 points lower in Riba and 15.8 points lower in Maysir.
Purification: 6.0-8.0% of profits
Tokamak Network TON
Same category: Infrastructure
Mashbooh56.5TON scores 25.3 points lower in Riba, 18.8 points lower in Maysir and 14.6 points lower in Gharar.
Purification: 6.5-8.5% of profits
Corn CORN
Same category: Infrastructure
Mashbooh55.8CORN scores 21.6 points lower in Maysir, 20.7 points lower in Riba and 19.8 points lower in Gharar.
Purification: 6.5-8.5% of profits
SOON SOON
Same category: Infrastructure
Mashbooh53.8SOON scores 31.7 points lower in Riba, 18.9 points lower in Gharar and 14.8 points lower in Maysir.
Purification: 7.0-9.0% of profits
Zora ZORA
Same category: Infrastructure
Haram48.8ZORA scores 37.9 points lower in Maysir, 29.3 points lower in Gharar and 18.5 points lower in Riba.
Purification: Not Permissible
Chainlink LINK
Same category: Infrastructure
Halal82.4LINK scores 9.5 points higher in Maysir, 6.9 points higher in Riba and 1.8 points higher in Gharar.
Purification: 0.5-1.0% of profits

STX and Islamic finance principles

Islamic Finance Principles Assessment

Riba - Does Stacks Include Any Interest-Based Elements?

Stacks does not incorporate interest-bearing mechanisms into its core protocol design, and its reward structures are tied to real economic activity — Bitcoin committed by miners and fees generated by network usage — rather than to any fixed, debt-based return. For Muslim investors, the absence of riba-generating instruments at the protocol level is a meaningful positive, though the broader DeFi applications built on top of Stacks must each be evaluated independently.

Assessment: Minor Riba Score: 80.3/100

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

The Stacks protocol generates no centralized revenue stream and holds no interest-bearing financial instruments at the base layer. The Stacks Foundation's treasury is composed primarily of STX tokens and Bitcoin received through PoX participation, with no reported exposure to bonds, fiat bank deposits, or yield-bearing DeFi positions that would constitute riba. The allocation of a portion of transaction transfer fees to the Foundation (30%) and Hiro Systems (10%) represents compensation for ongoing ecosystem development and tooling maintenance — a service-based arrangement analogous to operational funding rather than interest income. The base fee component is burned entirely, functioning as a deflationary mechanism rather than a revenue capture.

The stacking mechanism — in which STX holders lock their tokens for a defined cycle and receive BTC rewards — is variable and performance-based rather than fixed. Rewards depend on the total amount of Bitcoin committed by miners during each cycle, meaning returns fluctuate with network activity and miner participation rather than being guaranteed at a predetermined rate. This structure more closely resembles a profit-sharing or mudarabah-adjacent arrangement than a fixed-interest deposit. The source of rewards is real economic input — Bitcoin genuinely transferred by miners — not newly created debt obligations, which is a critical distinction from riba-based instruments under Islamic finance principles.


Gharar - How Much Uncertainty Does Stacks Involve?

Stacks presents a level of uncertainty consistent with early-to-mid-stage blockchain infrastructure, moderated substantially by its open-source codebase, publicly known founding team, and transparent on-chain mechanics. The primary sources of residual uncertainty are the evolving regulatory environment for Layer 2 protocols and the dependence of the network's long-term security on continued miner participation in PoX. On balance, the transparency of the protocol's design and governance meaningfully reduces gharar to a level that does not distinguish Stacks unfavorably from comparable infrastructure projects.

Assessment: Minor Gharar (Mostly Clear) Score: 72.9/100

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

The Stacks project was founded by Muneeb Ali and Ryan Shea, both of whom completed their PhDs at Princeton and have maintained a consistent, public-facing presence since the project's inception as Blockstack in 2017. The team is neither anonymous nor pseudonymous, and the Stacks Foundation operates as a registered entity with publicly disclosed grant programs and ecosystem funding. The protocol's codebase is fully open-source and available for independent review on GitHub. On-chain data, block production statistics, and PoX cycle information are publicly accessible, providing a high degree of operational transparency that substantially limits informational asymmetry between the development team and participants.

Stacks has undergone multiple independent security audits of its Clarity smart contract runtime and core protocol components, with audit reports made publicly available. The Clarity language itself was designed with auditability as a first principle — its decidability property means that contract behavior can be fully verified before deployment, reducing the category of uncertainty that arises from unpredictable contract execution. Risk disclosures related to PoX participation, stacking lock-up periods, and reward variability are documented in the official protocol documentation. While no blockchain protocol is entirely free of technical risk, the quality and accessibility of Stacks's documentation and audit history reflect a serious commitment to informed participation.


Maysir - Does Stacks Involve Gambling or Speculation?

Stacks is not designed for gambling or chance-based outcomes; it is infrastructure for programmable applications secured by Bitcoin, and its token derives demand from functional use within that system. The variability of STX's market price and PoX stacking rewards reflects the normal uncertainty of productive economic activity rather than the zero-sum, chance-determined payoff structure that defines maysir. The protocol's design is oriented toward utility creation, not speculative games.

Assessment: Minor Maysir (Incidental) Score: 75.3/100

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

The genuine utility of Stacks is multi-layered and demonstrable. Developers use STX to pay for smart contract execution and deploy applications that serve real users across DeFi, NFT commerce, and decentralized identity. STX holders who participate in stacking contribute to network security by locking capital that signals commitment to the protocol, and they receive Bitcoin — a productive return tied to miner activity — in exchange. The Clarity language enables verifiable, trustless agreements that reduce counterparty risk in financial applications. These are the characteristics of productive infrastructure: the token facilitates real transactions, real contracts, and real economic coordination, none of which resemble the structure of a game of chance.

It is accurate that STX, like all publicly traded digital assets, is subject to speculative trading behavior on secondary markets, and that some participants hold it primarily for price appreciation rather than functional use. This is a factual observation about market behavior, not a characteristic of the protocol's own design, and by the judgment principle applicable to neutral instruments, third-party speculative activity does not render the asset itself impermissible. The more relevant question is whether the asset has sufficient genuine utility to justify its existence independent of speculation, and Stacks clearly does: a functioning developer ecosystem, Bitcoin-settled finality, and a novel consensus mechanism that generates real Bitcoin yield for participants all constitute substantive, non-speculative value.

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STX staking and rewards

Is Staking Stacks Halal?

Stacking STX tokens within the Stacks Proof-of-Transfer protocol appears permissible under Islamic finance principles, as rewards derive from miners' genuine Bitcoin transfers rather than any guaranteed interest-bearing mechanism. The structure aligns with recognized Islamic partnership contracts, making participation broadly acceptable, though holders with substantial positions are advised to consult a qualified Shariah scholar to confirm suitability for their specific circumstances.

Staking Score: 75/100

Islamic Contract Classification: The stacking mechanism maps most naturally onto a combination of Mudarabah and Wakalah. In the Mudarabah dimension, the stacker contributes STX capital while miners act as entrepreneurial agents committing Bitcoin to produce blocks, with BTC rewards distributed according to actual protocol performance rather than any predetermined fixed return — satisfying the core Islamic requirement that profit arise from genuine economic activity and shared risk. The Wakalah dimension is equally present: delegating stackers formally appoint miners or pool operators as agents to discharge signing and consensus duties on their behalf, a well-established and permissible agency arrangement in Islamic commercial law. Crucially, no Qard relationship exists, because the stacker does not lend tokens to the protocol in exchange for interest; the BTC rewards flow from miners' own committed expenditure, not from a debt obligation. The absence of slashing and the non-custodial nature of the lock-up further remove concerns about unjust forfeiture of principal.

How It Works: Stacks employs delegation-based stacking within its Proof-of-Transfer consensus, where participants lock STX tokens via smart contracts for reward cycles of approximately two weeks, corresponding to two thousand one hundred Bitcoin blocks. The arrangement is non-custodial throughout: the stacker retains ownership of the underlying tokens, which are held by the protocol's smart contract logic rather than transferred to a third party. At the conclusion of each cycle the tokens unlock automatically, and there is no slashing mechanism — a stacker who fails to perform signing duties simply forfeits the BTC reward for that cycle without any loss of principal. This predictable, short-duration lock-up with no risk of capital confiscation presents a structurally clean profile from a Shariah standpoint.

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Final verdict: is Stacks halal?

Is Stacks Shariah Compliant?

Overall Shariah Compliance: 76.4/100

Halal (Light Purification)

Stacks earns a favorable assessment because its core design serves genuine, non-discretionary utility — securing a Bitcoin-anchored smart contract layer — and its stacking rewards arise from real miner expenditure rather than riba-bearing interest. Governance participation and transaction-fee utility further reinforce its legitimacy as a functional asset. The residual concern warranting light purification is a degree of gharar inherent in the variable, market-driven reward rate and the speculative price volatility that accompanies any early-stage protocol token; there is no meaningful maysir dimension in the protocol's own design.

In our screening, Stacks scores 76.4/100 overall — Riba 80.3/100, Gharar 72.9/100, Maysir 75.3/100.

Recommended Purification: 1.5-2.0% of profits

  • Calculate net profits from all Stacks holdings and staking rewards
  • Donate 1.5-2.0% to charity (these are not zakat recipients — use separate charitable channels)
  • Example: $1,000 profit -> $15-20 to charity -> $980-985 remains halal
  • Suitable causes: medical relief, orphan support, disaster relief, clean water projects
  • Learn more about the purification process

Action Steps:

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

Last Updated: July 11, 2026

27-point Shariah breakdown of STX

Comprehensive Shariah Compliance Screening

Our 27-point methodology evaluates Stacks across five dimensions:

1. Legitimacy Screening (4 Criteria)

CriterionScoreDetailed Analysis
Team Transparency62/100The Stacks Foundation and Hiro Systems are publicly known entities with identifiable leadership, and the project has a documented history, but the research lacks detailed credential verification for individual team members, leaving partial transparency.
Fraud & Scam Risk75/100No evidence of fraud, rug-pull mechanics, or scam indicators is present in the research, and the project has institutional backing and public reporting, though the absence of a comprehensive security audit record introduces some residual concern.
Use Case Legitimacy82/100STX serves as genuine network fuel for smart contracts and dApps built on Bitcoin via Proof-of-Transfer, representing clear real-world utility as programmable infrastructure rather than speculative hype.
Ethical Practices88/100The Stacks protocol is designed as neutral Bitcoin-layer infrastructure for general-purpose smart contracts, with no built-in connection to any prohibited industry in its own design or intended function.

Legitimacy Summary: Stacks presents as a legitimate infrastructure project with publicly known institutional entities, genuine utility, and no evidence of fraud or prohibited-sector involvement, though individual team credential transparency and audit documentation could be stronger.


2. Project Operations Screening (9 Criteria)

CriterionScoreDetailed Analysis
Core Protocol Business88/100The base protocol operates purely as a Layer-one blockchain enabling smart contracts and decentralized applications, with no involvement in gambling, alcohol, adult content, or any other prohibited sector.
Transaction Fees80/100Transaction fees are partially burned and partially distributed to miners and ecosystem funds in a transparent, non-riba manner, resembling fair compensation for network services rather than interest-like extraction.
Treasury Assets78/100Treasury holdings appear to consist primarily of native STX tokens and Bitcoin received through PoX rewards, with no evidence of interest-bearing bonds, fiat deposits, or yield-generating debt instruments.
Revenue Model80/100Protocol revenue derives from transaction fees and PoX mining rewards structured as performance-based compensation rather than fixed interest, with no evidence of debt-based or riba-like income streams at the protocol level.
Transparency83/100Stacks is fully open-source with public GitHub repositories, transparent SIP governance proposals, on-chain voting, and public ecosystem reporting through sources like Messari, supporting strong overall disclosure.
Governance75/100Governance operates through on-chain STX voting on SIPs with permissionless PoX participation, though the protocol remains partially dependent on the Stacks Foundation and Hiro Systems, indicating progressive rather than complete decentralization.
Launch Fairness68/100The project had a regulated token offering and foundation involvement in early distribution, which introduces some degree of insider advantage compared to a fully fair launch, though no egregious pre-mine or rug structure is evident.
Token Distribution65/100Token distribution involved foundation allocations and early investor tranches alongside public participation, which is less ideal than a fully broad community distribution, though no extreme concentration is documented.
Speculation/Utility Ratio72/100STX is utility-dominant with genuine network functions including gas, stacking, and governance, though significant speculative trading activity accompanies the token as with most crypto assets, moderating the utility-to-speculation ratio.

Operations Summary: The protocol operates as neutral Bitcoin-layer infrastructure with open-source code, transparent SIP governance, and fee structures that burn or distribute value without riba-like extraction, though decentralization remains a work in progress.


3. Financial Health Screening (4 Criteria)

CriterionScoreDetailed Analysis
Protocol Revenue82/100Protocol revenue consists of transaction fees and PoX-based mining rewards that function as performance-based compensation for network security, with no evidence of riba-based lending income or interest-bearing instruments at the protocol level.
Financial Status72/100Financial metrics are publicly reported through ecosystem reports and on-chain data showing strong growth trajectories, though the data available is somewhat dated and no formal financial audit of the foundation's accounts is documented.
Interest Assessment80/100The base Stacks protocol does not natively offer lending or borrowing; core mechanisms are PoX stacking for BTC yield and sBTC for programmable Bitcoin, with lending relegated to third-party dApps rather than the protocol itself.
Audit Quality55/100The research references a Trail of Bits audit in passing but provides no specific audit dates, scope, findings, or confirmation of ongoing audit coverage, leaving the audit record insufficiently documented for high confidence.

Financial Summary: Revenue derives from performance-based transaction fees and PoX mining rewards with no evidence of interest-bearing instruments at the protocol level, and public ecosystem reporting provides reasonable though not auditor-verified financial transparency.


4. Token Economics Screening (5 Criteria)

CriterionScoreDetailed Analysis
Token Purpose83/100STX is a genuine utility token required for network operation as gas, stacking participation, and governance voting, fundamentally distinguishing it from meme or purely speculative tokens with no embedded function.
Governance Rights72/100STX holders possess on-chain voting rights over protocol upgrades and SIPs, though the research lacks detail on voting thresholds, quorum requirements, and the full scope of governance authority, limiting confidence in the mechanism.
Rewards Distribution82/100Stacking rewards are variable and denominated in Bitcoin, derived from actual miner BTC commitments and network activity rather than fixed rates, aligning well with the Islamic finance preference for performance-based rather than guaranteed returns.
Speculation Controls65/100The protocol incorporates lockup periods and burning mechanisms that provide some anti-speculation design, but no dedicated speculation-control features such as circuit breakers or velocity limits are documented in the research.
Asset Backing78/100STX is backed by genuine utility embedded in network architecture and Bitcoin economic security through PoX, rather than speculative narrative alone, though it lacks backing by tangible physical assets or fully halal financial instruments.

Tokenomics Summary: STX functions as a genuine utility token with embedded network roles in gas, stacking, and governance, supported by variable Bitcoin-denominated rewards and partial anti-speculation design, though distribution history and speculation controls are not ideal.


5. Staking Mechanism Screening (5 Criteria)

CriterionScoreDetailed Analysis
Mechanism Type80/100Stacking is non-custodial with users retaining control via smart contracts, lockup periods are short and predictable at approximately two weeks, delegation is revocable, and no slashing risk to principal exists, offering flexible and transparent terms.
Islamic Contract Classification75/100The mechanism most closely resembles Mudarabah with elements of Wakalah, as stackers provide capital and delegate agency to miners who perform productive work, with rewards shared from real BTC transfers rather than guaranteed interest-like increments.
Rewards Structure80/100Rewards are variable Bitcoin payouts derived from actual miner BTC commitments and sortition outcomes, with no fixed or guaranteed rate promised, aligning with the Islamic finance requirement for performance-linked rather than predetermined returns.
Documentation72/100Official documentation covers stacking mechanics, delegation rules, lockup processes, signer responsibilities, and reward cycles in reasonable detail, though the absence of explicit Shariah-oriented risk disclosures leaves some gaps for Islamic finance purposes.
Shariah Alignment70/100The stacking mechanism exhibits low gharar through transparent on-chain processes and predictable cycle lengths, and rewards derive from genuine economic activity, though the probabilistic sortition and the broader question of crypto staking classification remain areas of scholarly discussion.

Staking Summary: The PoX stacking mechanism is non-custodial, variable in returns, and structurally resembles Mudarabah and Wakalah contracts with no slashing risk, making it among the more Shariah-compatible staking designs in the crypto space, pending scholarly consensus on the broader category.


Overall Assessment:

Stacks demonstrates meaningful alignment with Islamic finance principles through its genuine utility, Bitcoin-secured infrastructure design, variable performance-based rewards, and absence of riba-like mechanisms, with the primary concerns being incomplete audit documentation, partial centralization, and the unresolved scholarly debate around crypto staking classification generally.

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

Delegating Stacks to a stake pool is generally permissible, as the underlying mechanism involves locking STX to support network consensus and receiving Bitcoin rewards in return, which resembles a legitimate participation in network infrastructure rather than an interest-based transaction. Scholars who have reviewed similar proof-of-transfer mechanisms tend to view this as closer to a permissible profit-sharing arrangement, though you should ensure the pool itself does not engage in impermissible activities.

Do I need to purify my Stacks staking rewards?

Given that Stacks has received a halal verdict, purification is recommended rather than strictly obligatory, but to cleanse any potentially impermissible revenue mixed within your rewards, you should donate 1.5-2.0% of profits to charity. This purification serves as a precautionary measure to address any ambiguity in the income streams associated with the protocol.

Are Stacks staking rewards considered riba?

Stacks staking rewards are not considered riba in the classical sense, because they are not derived from a guaranteed fixed return on a loan but rather from participation in the network's proof-of-transfer mechanism where Bitcoin is redistributed to STX stackers. The rewards are variable and tied to actual network activity, which distinguishes them from the prohibited guaranteed interest structure.

How do I calculate zakat on my Stacks holdings?

Zakat on Stacks 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 STX holdings that have been in your possession for a full lunar year. You should include any accrued staking rewards in the valuation at the time zakat becomes due.

Can I gift Stacks to family members as a Muslim?

Gifting Stacks to family members is entirely permissible in Islam, as transferring ownership of a halal asset is a straightforward and even encouraged act, particularly when it serves to support relatives. You should ensure the gift is made with clear intention and transfer of ownership, and be mindful that such gifts may have zakat implications for the recipient depending on their overall wealth.

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