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Record sog_st_musd
mUSD/mStable USD
Also recorded as mUSD, mStable USD, mStable mUSD
- Lifecycle
- Restricted
- Issuance
- Unknown
- Reference target
- US dollar
- Primary organization
- mStableNo additional recorded relationship
- Launch
- Not yet recorded
- Redemption
- Protocol Redemption
- Backing
- Hybrid or mixed
- Stabilization
- Protocol arbitrage
- Last review
- 2026-06-25
- Evidence
- 8 source records
Reviewed assessment
Identity and current state
This summary reports reviewed facts and uncertainty. It is not a rating or recommendation.Basket-backed meta-stablecoin from mStable, historically minted and redeemed against selected USD stablecoins on Ethereum and Polygon. It is now treated as a legacy product with withdrawal and contract-exit paths rather than a current flagship issuance product.
| Name | mStable USD |
|---|---|
| Symbol | mUSD |
| Aliases | mUSD, mStable USD, mStable mUSD |
| Asset class | Stablecoin |
| Lifecycle status | Restricted |
| Issuance status | Unknown |
| Canonical record ID | sog_st_musd |
| Route slug | musd |
| Record confidence | Medium |
| Last reviewed | 2026-06-25 |
- Name
- mStable USD
- Symbol
- mUSD
- Aliases
- mUSD, mStable USD, mStable mUSD
- Asset class
- Stablecoin
- Lifecycle status
- Restricted
- Issuance status
- Unknown
- Canonical record ID
sog_st_musd- Route slug
musd- Record confidence
- Medium
- Last reviewed
- 2026-06-25
Record coverage
| Section | Entries |
|---|---|
| Organizations | 1 |
| Sources | 8 |
| Reserve reports | 0 |
| Reserve components | 1 |
| Model-history events | 0 |
| Regulatory notes | 0 |
| Deployments | 1 |
| Issuer-control actions | 0 |
| Open questions | 3 |
| Events | 3 |
Primary display is a navigation and summary choice only. It does not replace other organizations or imply sole legal responsibility, operational control, reserve custody, or historical continuity.
- Governance
- DAO Governed
- Primary display organization
- mStable
- Primary display role
- Protocol operator
- Display selection mode
- Deterministic Policy
- Current relationships
- 1
- Ended relationships
- 0
- Unknown relationship state
- 0
- Freeze capability
- 0 recorded yes · 0 recorded no · 1 not recorded
- Blacklist capability
- 0 recorded yes · 0 recorded no · 1 not recorded
- Deployment control-event references
- 0
- Observed issuer-control events
- 0
- Relationship coverage
- 1 recorded relationship
| Organization | Organization category | Regulatory character | Jurisdiction | Role | Display priority | From | Until | Relationship status |
|---|---|---|---|---|---|---|---|---|
| mStable | Protocol or software system | Protocol or decentralized system | Unknown or not publicly resolved | Protocol operator | Primary display | Not yet recorded | Not yet recorded | Active relationship |
Protocol or software system
Primary displaymStable
- Functional role
- Protocol operator
- Relationship status
- Active relationship
- Regulatory character
- Protocol or decentralized system
- Jurisdiction
- Unknown or not publicly resolved
- From
- Not recorded
- Until
- Not recorded
Mechanism
How the asset works
Reference, backing, stabilization, exit, valuation, and yield remain separate facts.- Reference target
- US dollar
- Reference kind
- Fiat
- Comparison category
- US dollar
- Target value
- 1
- Reference methodology
- mUSD targeted one U.S. dollar through a basket of approved USD stablecoins and protocol mint/redemption mechanics.
- Public backing model
- Hybrid or mixed
- Canonical backing types
- Stablecoin Collateral, Mixed
- Reserve component categories
- Stablecoin Collateral
- Primary stabilization mechanism
- Protocol arbitrage
- Recorded model description
- Basket Backed Meta Stablecoin
- Redemption / exit model
- Protocol Redemption
- Valuation source
- mUSD basket accounting and legacy contract state
- Yield / rebase profile
- No recorded change · Accrual: No recorded change
- Classification notes
- Legacy basket-backed asset with residual withdrawal or contract-exit paths. Current issuance availability remains unresolved.
Reserve and redemption
Reserve and redemption
Recorded components, disclosures, reports, and redemption conditions remain explicit.Reserve components
- Stablecoin collateralStablecoin Collateral
| Disclosure status | Protocol Transparent But Legacy |
|---|---|
| Backing types | Stablecoin Collateral, Mixed |
| Summary | mUSD was backed by a basket of approved USD stablecoins with protocol weight limits and mint/redemption accounting. Historical documentation lists Ethereum and Polygon baskets, but current residual basket composition and active issuance state require direct contract review. |
| As of | 2026-06-14 |
| Profile confidence | Medium |
- Disclosure status
- Protocol Transparent But Legacy
- Backing types
- Stablecoin Collateral, Mixed
- Summary
- mUSD was backed by a basket of approved USD stablecoins with protocol weight limits and mint/redemption accounting. Historical documentation lists Ethereum and Polygon baskets, but current residual basket composition and active issuance state require direct contract review.
- As of
- 2026-06-14
- Profile confidence
- Medium
| Current status | Restricted |
|---|---|
| Settlement asset | Supported basket assets or legacy withdrawal outputs through remaining contracts and interfaces |
| Eligible parties | Users able to interact with legacy mStable contracts, withdrawal tooling, or remaining liquidity routes. |
| Retail access | Legacy Contract or Withdrawal Route |
| Institutional access | Legacy Contract or Withdrawal Route |
| Minimum amount | Contract, liquidity, and gas dependent. |
| Fee | Swap, redemption, liquidity, and network costs may apply. |
| Settlement time | Contract and network dependent. |
| Regional limits | Access depends on legacy contracts, remaining basket liquidity, interfaces, chain state, and transaction costs. |
- Current status
- Restricted
- Settlement asset
- Supported basket assets or legacy withdrawal outputs through remaining contracts and interfaces
- Eligible parties
- Users able to interact with legacy mStable contracts, withdrawal tooling, or remaining liquidity routes.
- Retail access
- Legacy Contract or Withdrawal Route
- Institutional access
- Legacy Contract or Withdrawal Route
- Minimum amount
- Contract, liquidity, and gas dependent.
- Fee
- Swap, redemption, liquidity, and network costs may apply.
- Settlement time
- Contract and network dependent.
- Regional limits
- Access depends on legacy contracts, remaining basket liquidity, interfaces, chain state, and transaction costs.
| Date | Publisher | Type | Assets covered | Record confidence |
|---|---|---|---|---|
| No reserve reports have been added yet. | ||||
No reserve reports have been added yet.
Deployments and legal context
Deployments and legal context
Network state, contract identity, legal notices, and value states remain separate.| Network | Network record state | Standard | Public deployment category | Canonical deployment type | Operational state | Recorded status | Change or proposal state | Canonicality | Canonicality record state | Verification state | Contract identity state | Contract or identifier | Freeze | Blacklist | Control events | Notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ethereum | Specific network recorded | Not yet recorded | Historical or legacy deployment | Legacy Canonical Issuance | Restricted | Restricted | No separate change state recorded | Legacy deployment | Canonicality recorded | Identifier recorded; verification not recorded | Identifier recorded | 0xe2f2a5C287993345a840Db3B0845fbC70f5935a5 | Not yet recorded | Not yet recorded | 0 | Official Ethereum mUSD token. Source code was submitted for verification on 2020-05-28. The exact creation transaction, first permissionless mint, and canonical public-launch day remain unresolved. |
| Date | Title | Authority / publisher | Type | Summary |
|---|---|---|---|---|
| No regulatory notes have been added yet. | ||||
No regulatory notes have been added yet.
Evidence
Evidence
Publisher, provenance, supported claims, archive state, reliability, and publication date remain separate.| Source | Publisher | Source category | Provenance | Primary or secondary | Supported claims | Archive | Reliability |
|---|---|---|---|---|---|---|---|
| mUSD asset documentation Published Not yet recorded | mStable Documentation | Official documentation or product page Canonical: Official Documentation | Subject-controlled source | Primary source | Asset Mechanics, Basket Backing, Mint Redemption | Archive index or wildcard | High |
| mStable Save and imUSD documentation Published Not yet recorded | mStable Documentation | Official documentation or product page Canonical: Official Documentation | Subject-controlled source | Primary source | Adjacent Asset Boundary, Imusd Distinction, Yield Layer | Archive index or wildcard | High |
| mStable current product site and relaunch materials Published Not yet recorded | mStable | Official statement or announcement Canonical: Official Statement | Subject-controlled source | Primary source | Current Product Focus, Legacy Transition, Organization Status | Archive index or wildcard | High |
| mStable legacy withdrawal application Published Not yet recorded | mStable | Official documentation or product page Canonical: Official Application | Subject-controlled source | Primary source | Legacy Withdrawal Path, Redemption Exit, Current Interface | No archive recorded | High |
| mUSD Ethereum contract and source verification Published 2020-05-28 | Etherscan | On-chain record or explorer Canonical: Onchain Contract | Technical primary source | Primary source | Contract Identity, Source Verification Date, Deployment Readiness, Ethereum Contract Identity and Verification | Archive index or wildcard | High |
| mStable Now Live on Mainnet Published 2020-05-29 | EthFinance community link record | Archive or historical record Canonical: Contemporaneous Record | Archive capture | Primary source | Candidate Launch Date, Mainnet Availability, Contemporaneous Mainnet Availability Record | Archive index or wildcard | Medium |
| DeFi Produces COMP Short Selling Published Not yet recorded | The Defiant | Independent news or analysis Canonical: News Article | Independent third-party source | Secondary source | Candidate Launch Date, Early Protocol History, Historical Launch Date Support | Archive index or wildcard | Medium |
| mStable bug bounty and production security scope Published Not yet recorded | mStable Developer Documentation | Official documentation or product page Canonical: Official Documentation | Subject-controlled source | Primary source | Security Program Start, Masset Contracts, Mint, Swap, Redeem, Save, Production Security and Functionality | Archive index or wildcard | High |
Known unknowns
Known unknowns and coverage
Missing or disputed facts remain visible instead of being converted into certainty.| Topic | What remains unclear | Value state | Priority | Last checked |
|---|---|---|---|---|
| Current Mint and Redeem State | The current availability of normal mUSD minting, basket redemption, and every legacy frontend route has not been fully verified against live contracts. | Unknown after review | High | 2026-06-14 |
| Residual Basket and Crosschain State | Current Ethereum and Polygon basket composition, feeder-pool state, liquidity depth, and cross-chain support require direct contract-level review. | Unknown after review | Medium | 2026-06-14 |
| Exact Public Launch Boundary | The Ethereum contract verification is fixed to 2020-05-28, May 29 is the strongest recovered mainnet-live candidate, and official production-security coverage is fixed to 2020-06-05. The original first-party launch announcement, exact creation transaction, and first permissionless mint remain unresolved. | Unknown after review | Low | 2026-06-25 |
Current Mint and Redeem State
The current availability of normal mUSD minting, basket redemption, and every legacy frontend route has not been fully verified against live contracts.
- Value state
- Unknown after review
- Priority
- High
- Last checked
- 2026-06-14
Residual Basket and Crosschain State
Current Ethereum and Polygon basket composition, feeder-pool state, liquidity depth, and cross-chain support require direct contract-level review.
- Value state
- Unknown after review
- Priority
- Medium
- Last checked
- 2026-06-14
Exact Public Launch Boundary
The Ethereum contract verification is fixed to 2020-05-28, May 29 is the strongest recovered mainnet-live candidate, and official production-security coverage is fixed to 2020-06-05. The original first-party launch announcement, exact creation transaction, and first permissionless mint remain unresolved.
- Value state
- Unknown after review
- Priority
- Low
- Last checked
- 2026-06-25
Lifecycle
History
Current classification remains separate from dated changes and incidents.Model and lifecycle changes
No separate model-change event is currently recorded.
| Date | Event | Category | Subtype | Status effect | Recovery |
|---|---|---|---|---|---|
| 2020-05-29 | mStable mainnet availability is reported | Launch and introduction | Mainnet Availability Report | Remained active | Not applicable |
| 2020-06-05 | mStable production security program covers core mUSD functions | Security and chain incident | Production Security Program Start | Remained active | Not applicable |
| 2026-01-23 | mUSD remains a limited legacy product during the mStable relaunch | Redemption change | Redemption Change | Restricted or impaired | Not applicable |
Related records and corrections
Corrections and further reading
Open connected records, methodology, machine-readable data, or report a correction.- All stablecoinsCompare this record with the rest of the archive.
- mStableUnknown or not publicly resolved
- Event registry3 connected events recorded.
- MethodologyRead classification, evidence, and value-state rules.
- CorrectionsReport a source, relationship, or record problem.
- Data manifestInspect the machine-readable public layer.