Islamic Finance Principles Assessment
Riba — Does Polyhedra Network involve interest?
Polyhedra Network's protocol itself is not structured around interest. Revenue comes from ZK proof-service fees, bridge fees, and gas — genuine service charges rather than lending spreads. On this narrow point the design is not inherently riba-based, though staking mechanics need closer scrutiny.
Assessment: Moderate Riba
Score: 61/100
Our methodology examines 10 criteria to evaluate how well Polyhedra Network avoids interest-based mechanisms.
ZKJ's stated revenue model is fee-for-service: proof-service charges, zkBridge transfer fees, and EXPchain gas consumption. None of this is described as interest income, and no evidence points to the treasury holding interest-bearing instruments as a primary strategy. This is structurally closer to a permissible fee-based utility model than a lending or interest-bearing arrangement. The main caveat is opacity: sourcing shows revenue is "reportedly" shared with stakers, without full accounting transparency, so investors cannot fully verify that treasury management avoids interest-bearing placements behind the scenes.
Staking rewards are described as drawing from "50% of protocol revenue" plus ecosystem incentives, not a fixed guaranteed rate — a structure more consistent with profit-sharing than riba, provided returns genuinely float with usage. However, documentation on lock-up duration, custodial status, and slashing conditions is thin, sourced mainly to an unreproduced Notion page. Without clearer terms, it is hard to fully confirm the reward mechanism avoids any fixed-return characteristics in practice, making variable-but-underdocumented the fairest characterization.
Gharar — How much uncertainty does Polyhedra Network involve?
Polyhedra carries a mixed uncertainty profile: strong founder transparency and open-source code sit alongside a serious unresolved trust event. The June 2025 crash and disputed rug-pull allegations are the dominant source of uncertainty for any prospective holder. On balance, documented ambiguity here is substantial enough to warrant real caution.
Assessment: Excessive Gharar (High Uncertainty)
Score: 45.6/100
Our methodology examines 15 criteria including team transparency, audit quality, and governance.
The team is named and credentialed — Tiancheng Xie, Abner Jia, Zhenfei Zhang, and Eric Vreeland all have verifiable academic and industry backgrounds, and core development tools like ExpanderCompilerCollection are open-source on GitHub. This reduces gharar relative to anonymous projects. Yet CertiK flags the team as "unverified" with KYC "Not Verified," and the 2025 crash produced unresolved, competing narratives — Polyhedra cites "coordinated liquidity attacks," while on-chain data shows team-linked wallets moving ~$40M shortly before the collapse. This contradiction between credentialed identity and disputed conduct is a significant, unresolved transparency gap.
Multiple named audits exist: Salus reviewed the ECDSA circuit (August 2024, flagging one high, three low, sixteen informational findings), Zellic audited the Polyhedra DVN (February 2024, one high, one medium), and ABDK conducted a whitepaper cryptographic review. This is a meaningfully better audit trail than many projects. However, CertiK's own audit listing shows a "Non Disclosed" report, undercutting full disclosure. Staking terms — lock-ups, slashing, custodial arrangements — remain undocumented in accessible form, which itself constitutes an additional, specific gharar concern beyond the smart-contract audits.
Maysir — Does Polyhedra Network involve gambling or speculation?
Polyhedra is not designed as a gambling product; its fees derive from genuine ZK infrastructure use. But its recent price action — an 82% intraday collapse and $360M in vanished market value — displays speculative characteristics that any investor must weigh carefully. The distinguishing factor is whether one is transacting with the protocol's utility or merely trading its volatile secondary market.
Assessment: Maysir / Qimar (Gambling)
Score: 46/100
Our methodology examines 11 criteria to determine whether Polyhedra Network is a gambling instrument or a genuine economic tool.
Polyhedra is not designed as a meme coin, and this factor should not push the assessment toward impermissibility on its own — it has published cryptographic research, functioning zkBridge infrastructure, and an EXPchain roadmap for zkML applications. Where speculative behavior does appear, it is concentrated in secondary-market trading rather than in the protocol's stated function. That said, the extreme volatility realized in June 2025 — a price collapse from roughly $4.01 in April 2024 to $0.33-0.76 — shows how thin initial float (~6% circulating) and heavy insider allocations can amplify pure price speculation regardless of underlying utility.
Weighed against this speculative volatility is real underlying utility: zkBridge cross-chain transfers, EXPchain gas consumption, and proof-service fees represent genuine, usage-driven demand rather than pure wagering. Governance voting on fee rates and supported chains, though centralized (55.21% major holding ratio per CertiK), is a further non-speculative function. Still, with 49.6% of supply still locked and vesting running to 2030, large future unlocks could trigger further speculative swings independent of protocol usage — a factor investors should treat as a market-timing risk rather than evidence the token itself is a gambling instrument.
The Full 27-Point Screening
1. Legitimacy (4 criteria)
| Criterion | Score | Analysis |
|---|
| Team Transparency | 82/100 | Founders and senior team (Xie, Jia, Zhang, Vreeland) are named, credentialed with PhDs and prior institutional roles, and traceable via LinkedIn and academic papers. |
| Fraud & Scam Risk | 25/100 | A June 2025 82% crash accompanied by insider wallet dumps and widespread rug-pull allegations is directly documented, though the team disputes the characterization and blames external liquidity attacks. |
| Use Case Legitimacy | 72/100 | The protocol delivers genuine ZK cross-chain and verifiable-AI infrastructure backed by peer-reviewed cryptography research, not pure hype. |
| Ethical Practices | 55/100 | The core ZK/interoperability design touches no haram sector, but the project's own roadmap includes tools for creating meme coins (Panbubu) which is a design choice worth noting without being determinative on its own. |
Summary: Polyhedra has a credentialed, publicly identifiable technical team but is currently clouded by a major 2025 price crash and unresolved rug-pull allegations involving insider wallets.
2. Project Operations (9 criteria)
| Criterion | Score | Analysis |
|---|
| Core Protocol Business | 78/100 | The base protocol's business is cross-chain interoperability and verifiable AI infrastructure, not a prohibited sector. |
| Transaction Fees | 58/100 | Fees are paid in ZKJ for gas, bridge, and proof services with partial revenue-sharing to stakers, but exact burn/retain mechanics are not fully specified. |
| Treasury Assets | 20/100 (low evidence) | Foundation Reserve allocations are disclosed as a percentage of token supply, but nothing in the sources describes what assets the treasury actually holds. |
| Revenue Model | 78/100 | Revenue comes from proof-service, bridge, and gas fees rather than interest-based lending. |
| Transparency | 55/100 | Development is open-source and documented, but CertiK notes the team is "Not Verified" and its own audit report is undisclosed. |
| Governance | 38/100 | ZKJ nominally carries governance voting, but CertiK reports a 55.21% major-holder concentration indicating real centralization. |
| Launch Fairness | 22/100 | Only about 6% of supply was circulating at launch, with large private-sale, pre-TGE, and insider allocations vesting through 2030. |
| Token Distribution | 28/100 | Distribution is dominated by ecosystem incentives, private sale, and core-contributor allocations rather than broad public distribution. |
| Speculation/Utility Ratio | 35/100 | The token has stated utility functions, but extreme price volatility and rug-pull controversy indicate speculative trading currently dominates real usage. |
Summary: The protocol delivers genuine ZK cross-chain bridging and verifiable-AI infrastructure, but token launch and distribution were insider-heavy with limited fair public allocation and centralization signals persist.
3. Financial Health (4 criteria)
| Criterion | Score | Analysis |
|---|
| Protocol Revenue | 78/100 | Documented revenue sources are fee-based (proof services, bridging, gas), with no interest component identified. |
| Financial Status | 20/100 | ZKJ's price collapsed roughly 60-82% in a single day in 2025 amid unresolved allegations, indicating an unstable financial position. |
| Interest Assessment | 70/100 | No lending/borrowing function is described at the base-protocol level; a third-party platform offers collateralized borrowing against a staked derivative, which per the judgment principle does not implicate the base protocol. |
| Audit Quality | 55/100 | Named audits exist (Salus, Zellic, ABDK) with disclosed findings including a high-severity issue, but a separate CertiK audit report is non-disclosed and the team is listed as unverified. |
Summary: Revenue is fee-based rather than interest-based, several named security audits exist though one report remains undisclosed, and the token's market history shows severe instability.
4. Token Economics (5 criteria)
| Criterion | Score | Analysis |
|---|
| Token Purpose | 68/100 | ZKJ is documented as a functional utility token for gas, fees, staking, and governance rather than a purely speculative meme asset. |
| Governance Rights | 62/100 | Holders are documented as able to vote on protocol parameters such as fee rates and supported chains. |
| Rewards Distribution | 72/100 | Staking rewards are described as a variable share of protocol revenue plus incentive allocations, not a fixed guaranteed rate. |
| Speculation Controls | 32/100 | On-chain scans show no manipulative tax/honeypot features but also no anti-whale protections, and the 2025 crash shows existing vesting cliffs did not meaningfully control speculative dumping. |
| Asset Backing | 48/100 | The token is not backed by collateral or reserve assets; its value rests on claimed protocol utility and revenue rather than any tangible backing. |
Summary: ZKJ carries documented utility (gas, fees, governance, staking) and variable revenue-sharing rewards, but lacks strong anti-speculation controls and any tangible asset backing.
5. Staking Mechanism (5 criteria)
| Criterion | Score | Analysis |
|---|
| Mechanism Type | 45/100 | A native staking program is confirmed to exist, but custodial status, lock-up length, and slashing terms are not detailed in the available sources. |
| Islamic Contract Classification | 40/100 (low evidence) | Rewards are described as a revenue share, which could resemble a profit-sharing arrangement, but no source classifies the staking contract under any Islamic finance framework. |
| Rewards Structure | 68/100 | Rewards are sourced from a stated share of protocol revenue plus incentive pools rather than a fixed interest-like payout. |
| Documentation | 32/100 | Staking is referenced via a Notion "Staking Program v1" page and marketing copy, but detailed risk/terms disclosure is not reproduced in these sources. |
| Shariah Alignment | 35/100 | Unclear contract classification combined with documented extreme volatility and unresolved rug-pull allegations leaves a live gharar concern around the token and its staking rewards. |
Summary: A native staking mechanism exists with revenue-linked variable rewards, but public documentation on custody, lock-up, and slashing terms is thin, leaving its Islamic-contract classification unresolved.
Overall Assessment: Polyhedra is a technically legitimate ZK infrastructure project whose own design raises no inherent Shariah prohibition, but unresolved rug-pull controversy, centralized token distribution, and sparse staking documentation are material open concerns that should be weighed carefully.
Written by ThanvirFounder, Ex Director S&P Global Energy
Reviewed by Imam Omar SiddiqiShariah Scholar