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 Rupiah Token'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 Rupiah Token's Shariah compliance score.

Your realized profit on IDRT (USD) — profit only, not principal

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

Chain	Ethereum
Last reviewed	17 Jul 2026

Written by ThanvirFounder, Ex Director S&P Global Energy

Reviewed by Imam Omar SiddiqiShariah Scholar

Islamic Finance Principles Assessment

Riba — Does Rupiah Token involve interest?

IDRT itself pays no interest, staking yield, or variable return to holders, and its mint/burn design is structurally anti-speculative rather than yield-generating. The open question is not the token's mechanics but the treasury backing it: available sources describe the Rupiah reserves only as held at "trustworthy banks" without specifying account type. For Muslim investors, this is a caution flag rather than a disqualifier, but it warrants scrutiny before treating IDRT as riba-clean.

Assessment: Moderate Riba Score: 64.3/100

Our methodology examines 10 criteria to evaluate how well Rupiah Token avoids interest-based mechanisms.

No source discloses IDRT's revenue model — whether the issuer earns from minting fees, redemption fees, custody spreads, or interest on the underlying fiat reserves. The whitepaper and marketing materials describe the Rupiah backing as held with "trustworthy banks," but do not specify whether these are conventional interest-bearing accounts, Shariah-compliant deposit instruments, or non-interest custodial arrangements. This lack of disclosure means the treasury's riba status cannot be confirmed positively or negatively from the material reviewed, leaving a genuine transparency gap rather than a confirmed violation.

At the protocol level, IDRT has no lending, borrowing, or credit-creation function — it is a straightforward mint-on-deposit, burn-on-redemption stablecoin with no interest-bearing mechanism built into its smart contract. There is no evidence of the issuer engaging in interest-based partnerships, yield farming, or fractional-reserve lending against the collateral. The risk, if any, sits entirely at the custodial/banking layer rather than in the token's own design, which is consistent with a currency-representation instrument rather than a credit instrument.

Gharar — How much uncertainty does Rupiah Token involve?

Uncertainty around IDRT is moderate: the team, technology, and use case are well documented, but reserve-audit rigor and revenue mechanics remain unclear. The named leadership and open-source code reduce ambiguity considerably, while the absence of a verifiable, named reserve audit keeps a real gharar concern in play. On balance, informed investors can reasonably assess this project, but should not treat it as fully transparent.

Assessment: Moderate Gharar (Material Uncertainty) Score: 68.7/100

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

IDRT's team is fully doxxed and traceable: founder and CEO Jeth Soetoyo (HBS MBA, former ConsenSys Product Lead, MIT Digital Currency Initiative researcher, also founder of Indonesian exchange Pintu) leads named co-founders Anthony Thio, Purwoko, Evan Leonardi and Fengkie Junis, each with verifiable LinkedIn profiles. The smart contract is open-source under AGPL-3.0 on GitHub. No fraud, hacks, or regulatory actions have surfaced against the issuer since 2019. This level of named accountability and code transparency materially reduces gharar relative to anonymous-team projects.

CertiK has reviewed the smart contract covering static analysis, formal verification, and manual review, referenced via a GitHub badge, though an exact audit date could not be confirmed. Separately, a claim of periodic reserve audits "by a financial partner" appears only in an informal LinkedIn post, naming no auditor and providing no verifiable report — this reserve-audit gap should be named plainly as a gharar concern, since holders cannot independently verify that circulating IDRT is fully backed at any given time. Smart-contract risk is addressed; reserve-verification risk is not.

Maysir — Does Rupiah Token involve gambling or speculation?

IDRT shows essentially no maysir characteristics: it is a fiat-pegged payments and remittance token designed to eliminate price volatility, not generate speculative gains. Its mint/redeem structure and full collateralization work directly against gambling-style price speculation. The final take is that IDRT's own design sits comfortably outside gambling concerns.

Assessment: Minor Maysir (Incidental) Score: 73/100

Our methodology examines 11 criteria to determine whether Rupiah Token is a gambling instrument or a genuine economic tool.

IDRT serves a genuine transactional purpose: facilitating Rupiah-denominated payments, remittances, and serving as a stable trading pair on exchanges like Binance, Uniswap, and PancakeSwap. Because new tokens are minted only against fiat deposits and burned on redemption, the supply tracks real economic demand for Rupiah exposure rather than speculative issuance. This productive, currency-substitute utility — enabling transfers and settlement without volatility — is fundamentally distinct from gambling, where outcomes depend on chance rather than underlying economic activity.

The peg itself structurally suppresses speculative price swings, since IDRT is designed to trade near parity with the Rupiah, removing the incentive for maysir-style betting on price movement. Any speculative behavior involving IDRT would occur in secondary markets — for instance, using it as a stable base for leveraged trading elsewhere — but this reflects third-party usage of a neutral payments instrument, not a feature of IDRT's own design, and should not be held against the token itself. On its own terms, IDRT's utility as a stable settlement asset outweighs any incidental speculative misuse by others.

The Full 27-Point Screening

1. Legitimacy (4 criteria)

Criterion	Score	Analysis
Team Transparency	85/100	Founders including the CEO and named co-founders are documented with verifiable credentials and professional histories across multiple sources.
Fraud & Scam Risk	78/100	No fraud, hack, or rug-pull allegations appear in the sources, and the issuer has operated openly with continued exchange listings over several years.
Use Case Legitimacy	90/100	Sources describe a clear real-world use case as a fiat-pegged payment, remittance and trading-pair stablecoin for Indonesian users.
Ethical Practices	90/100	The coin's own design is a currency-representation stablecoin with no built-in link to a prohibited industry.

Summary: Team is publicly named with credible fintech/blockchain credentials and no evidence of fraud or regulatory action found.

2. Project Operations (9 criteria)

Criterion	Score	Analysis
Core Protocol Business	90/100	The base protocol's business is fiat-collateralized stablecoin issuance, a neutral payments function rather than a prohibited sector.
Transaction Fees	50/100 (low evidence)	The sources describe minting on deposit and burning on redemption but do not detail any transaction fee schedule or how any fees are handled.
Treasury Assets	50/100	Reserves are said to be held at Indonesian banks, but the sources do not state whether these are interest-bearing accounts.
Revenue Model	40/100 (low evidence)	No source specifies how the issuer earns revenue such as minting, redemption or custody fees, so the revenue model cannot be assessed.
Transparency	80/100	The smart contract is open-source under a permissive license on GitHub and has a published whitepaper along with a named audit review.
Governance	30/100	Minting, redemption and reserve management are controlled solely by the issuing company with no decentralized governance structure described.
Launch Fairness	55/100	No initial coin offering, pre-mine or insider-allocation event is documented; supply appears to track fiat deposits, though explicit launch-fairness confirmation is missing.
Token Distribution	45/100 (low evidence)	The sources give no breakdown of token distribution or vesting, as supply is described as demand-driven rather than pre-allocated.
Speculation/Utility Ratio	90/100	Multiple sources emphasize genuine transactional and remittance utility over speculative trading, consistent with a stablecoin's design purpose.

Summary: IDRT operates as a centrally-issued, fiat-collateralized stablecoin with open-source code but no disclosed fee, treasury-interest, or distribution details.

3. Financial Health (4 criteria)

Criterion	Score	Analysis
Protocol Revenue	45/100 (low evidence)	Protocol-level revenue sources are not disclosed in the available material.
Financial Status	55/100	Some trading volume and circulating supply figures exist, but comprehensive, verifiable financial statements are not available in these sources.
Interest Assessment	90/100	The base protocol offers only minting, redemption and transfer functions; no lending, borrowing, or interest-bearing mechanism is described.
Audit Quality	72/100	A named security firm audited the smart contract with a described methodology, though reserve audits are referenced only informally without a named auditor.

Summary: The base protocol has no lending or yield features and has a named smart-contract audit, but revenue model and full reserve-audit rigor remain undisclosed.

4. Token Economics (5 criteria)

Criterion	Score	Analysis
Token Purpose	90/100	IDRT is designed and marketed as a genuine utility stablecoin for payments and remittances, not a speculative or meme asset.
Governance Rights	N/A	IDRT confers no governance rights, consistent with its design as a currency-representation token rather than a protocol-ownership token; this absence is neutral.
Rewards Distribution	N/A	No reward or yield mechanism of any kind is described for IDRT, so there is no fixed or interest-like payout structure to evaluate.
Speculation Controls	85/100	The peg and mint/burn redemption mechanism are structurally designed to eliminate speculative price appreciation.
Asset Backing	85/100	Sources state IDRT is backed by Indonesian Rupiah held in custody at banks, giving it genuine fiat asset backing.

Summary: IDRT is a genuine non-speculative utility token pegged and backed by real Rupiah reserves with no governance or reward mechanics.

5. Staking Mechanism

Rupiah Token has no native staking mechanism, so these five criteria are not applicable and are excluded from the score entirely rather than counted as zeros.

Overall Assessment: IDRT presents as a legitimate, utility-driven fiat-backed stablecoin with a transparent team and reasonable technical disclosure, though some financial and governance details remain unconfirmed in the available sources.

Is Rupiah Token halal?

RibaSharia pillar · 64.3/100 · Review · 10 criteria

GhararSharia pillar · 68.7/100 · Review · 15 criteria

MaysirSharia pillar · 73/100 · Compliant · 11 criteria

LegitimacyDiligence dimension · 85.8/100 · Compliant · 4 criteria

ProjectDiligence dimension · 58.9/100 · Review · 9 criteria

FinancialDiligence dimension · 65.5/100 · Review · 4 criteria

TokenomicsDiligence dimension · 92/100 · Compliant · 5 criteria

StakingDiligence dimension · 100/100 · Compliant · 5 criteria

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

27-point Shariah breakdown of IDRT