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Record sog_st_fei
FEI/Fei USD
Also recorded as FEI, Fei USD, Fei Protocol FEI
- Lifecycle
- Terminated
- Issuance
- Terminated
- Reference target
- US dollar
- Primary organization
- Fei Protocol / Tribe DAONo additional recorded relationship
- Launch
- 2021-04-03
- Redemption
- Conversion
- Backing
- Hybrid or mixed
- Stabilization
- Protocol arbitrage
- Last review
- 2026-07-05
- Evidence
- 6 source records
Reviewed assessment
Identity and current state
This summary reports reviewed facts and uncertainty. It is not a rating or recommendation.Decentralized stablecoin launched by Fei Protocol using protocol-controlled value and later redesigned around 1:1 redemption. The archive records FEI as discontinued following Tribe DAO wind-down and final-redemption governance, with current redemption availability left as a open question.
| Name | Fei USD |
|---|---|
| Symbol | FEI |
| Aliases | FEI, Fei USD, Fei Protocol FEI |
| Asset class | Stablecoin |
| Lifecycle status | Terminated |
| Issuance status | Terminated |
| Canonical record ID | sog_st_fei |
| Route slug | fei |
| Record confidence | Medium |
| Last reviewed | 2026-07-05 |
- Name
- Fei USD
- Symbol
- FEI
- Aliases
- FEI, Fei USD, Fei Protocol FEI
- Asset class
- Stablecoin
- Lifecycle status
- Terminated
- Issuance status
- Terminated
- Canonical record ID
sog_st_fei- Route slug
fei- Record confidence
- Medium
- Last reviewed
- 2026-07-05
Record coverage
| Section | Entries |
|---|---|
| Organizations | 1 |
| Sources | 6 |
| Reserve reports | 1 |
| Reserve components | 1 |
| Model-history events | 1 |
| Regulatory notes | 0 |
| Deployments | 1 |
| Issuer-control actions | 0 |
| Open questions | 2 |
| Events | 2 |
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
- Fei Protocol / Tribe DAO
- Primary display role
- Protocol operator
- Display selection mode
- Deterministic Policy
- Current relationships
- 0
- Ended relationships
- 1
- 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 |
|---|---|---|---|---|---|---|---|---|
| Fei Protocol / Tribe DAO | DAO or governance body | Protocol or decentralized system | Unknown or not publicly resolved | Protocol operator | Primary display | 2021-04-03 | 2022-09-22 | Ended relationship |
DAO or governance body
Primary displayFei Protocol / Tribe DAO
- Functional role
- Protocol operator
- Relationship status
- Ended relationship
- Regulatory character
- Protocol or decentralized system
- Jurisdiction
- Unknown or not publicly resolved
- From
- 2021-04-03
- Until
- 2022-09-22
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
- Targets a US dollar reference value unless the record documents a different target value.
- 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
- Protocol Controlled Value and Dai Redemption
- Redemption / exit model
- Conversion
- Valuation source
- Final redemption design
- Yield / rebase profile
- No recorded change · Accrual: No recorded change
- Classification notes
- FEI is discontinued after the Tribe DAO wind-down.
Reserve and redemption
Reserve and redemption
Recorded components, disclosures, reports, and redemption conditions remain explicit.Reserve components
- Stablecoin collateralStablecoin Collateral
| Disclosure status | Historical or Final Redemption Context |
|---|---|
| Backing types | Stablecoin Collateral, Mixed |
| Summary | FEI historically used protocol-controlled value. The final-redemption design described FEI as backed 1:1 by DAI with zero fees during the Tribe DAO wind-down. |
| As of | 2026-06-14 |
| Profile confidence | Medium |
- Disclosure status
- Historical or Final Redemption Context
- Backing types
- Stablecoin Collateral, Mixed
- Summary
- FEI historically used protocol-controlled value. The final-redemption design described FEI as backed 1:1 by DAI with zero fees during the Tribe DAO wind-down.
- As of
- 2026-06-14
- Profile confidence
- Medium
| Current status | Restricted |
|---|---|
| Settlement asset | DAI under the historical final-redemption design |
| Eligible parties | FEI holders subject to the availability and state of the final-redemption contracts or interfaces. |
| Retail access | Historical Final Redemption |
| Institutional access | Historical Final Redemption |
| Minimum amount | Source and contract review needed. |
| Fee | The final-redemption proposal described zero fees; current execution conditions require verification. |
| Settlement time | Contract- and network-dependent. |
| Regional limits | FEI wind-down and final-redemption mechanics are protocol and contract dependent. SOG does not infer current availability solely from historical governance approval. |
- Current status
- Restricted
- Settlement asset
- DAI under the historical final-redemption design
- Eligible parties
- FEI holders subject to the availability and state of the final-redemption contracts or interfaces.
- Retail access
- Historical Final Redemption
- Institutional access
- Historical Final Redemption
- Minimum amount
- Source and contract review needed.
- Fee
- The final-redemption proposal described zero fees; current execution conditions require verification.
- Settlement time
- Contract- and network-dependent.
- Regional limits
- FEI wind-down and final-redemption mechanics are protocol and contract dependent. SOG does not infer current availability solely from historical governance approval.
| Date | Publisher | Type | Assets covered | Record confidence |
|---|---|---|---|---|
| 2022-09-22 | Fei Protocol governance via Tally | Executed Governance Reserve and Redemption Package | Dai Backing, Protocol Controlled Value, Final Redemption | High |
Fei Protocol governance via Tally
2022-09-22- Type
- Executed Governance Reserve and Redemption Package
- Assets covered
- Dai Backing, Protocol Controlled Value, Final Redemption
- Record confidence
- High
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 | Native Historical | Unknown or unresolved | Not yet recorded | No separate change state recorded | Legacy deployment | Canonicality recorded | Identifier recorded; verification not recorded | Identifier recorded | 0x956F47F50A910163D8BF957Cf5846D573E7f87CA | Not yet recorded | Not yet recorded | 0 | Official FEI Ethereum address from Fei Protocol documentation. Current transfer and redemption state requires verification. |
| 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 |
|---|---|---|---|---|---|---|---|
| Introducing Fei Protocol Published 2021-01-11 | Fei Labs | Official statement or announcement Canonical: Official Blog | Subject-controlled source | Primary source | Fei Initial Design and Protocol Controlled Value | No archive recorded | High |
| Fei Post-Genesis Published 2021-04-02 | Fei Labs | Official statement or announcement Canonical: Official Blog | Subject-controlled source | Primary source | Fei Launch Date and Genesis Context | No archive recorded | High |
| Fei v2 is coming Published 2021-11-04 | Fei Protocol | Official statement or announcement Canonical: Official Blog | Subject-controlled source | Primary source | Fei V2 Reserve and Redemption Design | No archive recorded | High |
| TIP-121c: Final Redemption Published 2022-09-20 | Fei / Snapshot via Boardroom | Governance record Canonical: Governance Proposal | Governance primary source | Primary source | Fei Final Redemption and Tribe DAO Wind Down | No archive recorded | Medium |
| Fei Protocol mainnet addresses Published Not yet recorded | Fei Protocol | Official documentation or product page Canonical: Protocol Docs | Subject-controlled source | Primary source | Fei Ethereum Contract Identity | No archive recorded | High |
| TIP-121c: Start FEI and TRIBE Redemption Published 2022-09-22 | Fei Protocol governance via Tally | Governance record Canonical: Governance Proposal | Governance primary source | Primary source | Executed Governance Package, One to One Dai Backing, Zero Fee Fei Redemption, Final Redemption Context, Fei Executed Final Redemption and One to One Dai Backing Package | No archive recorded | 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 Redemption Availability | TIP-121c historical execution is confirmed, but the present operational availability of FEI final-redemption contracts and interfaces has not been independently confirmed. | Unknown after review | High | 2026-06-23 |
| Wind Down Timeline | Tally confirms TIP-121c was executed, but the exact execution timestamp and the completion dates of later residual PCV distributions have not yet been normalized. | Unknown after review | Medium | 2026-06-23 |
Current Redemption Availability
TIP-121c historical execution is confirmed, but the present operational availability of FEI final-redemption contracts and interfaces has not been independently confirmed.
- Value state
- Unknown after review
- Priority
- High
- Last checked
- 2026-06-23
Wind Down Timeline
Tally confirms TIP-121c was executed, but the exact execution timestamp and the completion dates of later residual PCV distributions have not yet been normalized.
- Value state
- Unknown after review
- Priority
- Medium
- Last checked
- 2026-06-23
Lifecycle
History
Current classification remains separate from dated changes and incidents.Model and lifecycle changes
- Fei Protocol launchMigration
| Date | Event | Category | Subtype | Status effect | Recovery |
|---|---|---|---|---|---|
| 2021-04-03 | Fei Protocol launch | Launch and introduction | Launch | Remained active | Not applicable |
| 2022-09-22 | Tribe DAO final-redemption vote concludes | Wind-down and termination | Wind Down and Final Redemption | Entered wind-down | 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.
- Fei Protocol / Tribe DAOUnknown or not publicly resolved
- Event registry2 connected events recorded.
- MethodologyRead classification, evidence, and value-state rules.
- CorrectionsReport a source, relationship, or record problem.
- Data manifestInspect the machine-readable public layer.