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Record sog_st_eurm

EURmMento Euro

Also recorded as cEUR, Celo Euro

Active
Lifecycle
Active
Issuance
Protocol-based
Reference target
Euro
Primary organization
Mento ProtocolNo additional recorded relationship
Launch
2021-04-22
Redemption
Protocol Based
Backing
Hybrid or mixed
Stabilization
Protocol arbitrage
Last review
2026-06-30
Evidence
6 source records

Reviewed assessment

Identity and current state

This summary reports reviewed facts and uncertainty. It is not a rating or recommendation.

Euro-tracking Mento stablecoin launched on Celo as cEUR in April 2021 and renamed EURm in December 2025 without changing its contract identity; current Mento V3 documentation describes EURm as Reserve-backed.

NameMento Euro
SymbolEURm
AliasescEUR, Celo Euro
Asset classStablecoin
Lifecycle statusActive
Issuance statusProtocol-based
Canonical record IDsog_st_eurm
Route slugmento-eurm
Record confidenceHigh
Last reviewed2026-06-30
Name
Mento Euro
Symbol
EURm
Aliases
cEUR, Celo Euro
Asset class
Stablecoin
Lifecycle status
Active
Issuance status
Protocol-based
Canonical record ID
sog_st_eurm
Route slug
mento-eurm
Record confidence
High
Last reviewed
2026-06-30
Record coverage
SectionEntries
Organizations1
Sources6
Reserve reports1
Reserve components1
Model-history events1
Regulatory notes0
Deployments1
Issuer-control actions0
Open questions3
Events2
Organizations and control

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
Mento Protocol
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
All current, ended, and unknown-state organization relationships
OrganizationOrganization categoryRegulatory characterJurisdictionRoleDisplay priorityFromUntilRelationship status
Mento ProtocolProtocol or software systemProtocol or decentralized systemUnknown or not publicly resolvedProtocol operatorPrimary display2021-04-22Not yet recordedActive relationship
Protocol or software system

Mento Protocol

Primary display
Functional role
Protocol operator
Relationship status
Active relationship
Regulatory character
Protocol or decentralized system
Jurisdiction
Unknown or not publicly resolved
From
2021-04-22
Until
Not recorded

Mechanism

How the asset works

Reference, backing, stabilization, exit, valuation, and yield remain separate facts.
Reference target
Euro
Reference kind
Fiat
Comparison category
Euro
Target value
Not yet recorded
Reference methodology
EURm targets one euro and continues the same token identity previously displayed as cEUR.
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
Reserve Backed Fiat Stablecoin Collateral
Redemption / exit model
Protocol Based
Valuation source
Public information is incomplete
Yield / rebase profile
None recorded
Classification notes
Celo-native Mento stablecoin with Reserve-backed issuance and oracle-priced protocol exchange routes; the December 2025 change was a rebrand, not a new asset.

Reserve and redemption

Reserve and redemption

Recorded components, disclosures, reports, and redemption conditions remain explicit.

Reserve components

  • Euro-denominated fiat-backed collateral held by the Mento ReserveStablecoin Collateral · Current detailed allocation is not asserted.
Reserve profile
Disclosure statusOnchain Protocol Reserve Context
Backing typesStablecoin Collateral, Mixed
SummaryEURm is Reserve-backed by onchain euro collateral under Mento V3.
As of2026-06-30
Profile confidenceHigh
Disclosure status
Onchain Protocol Reserve Context
Backing types
Stablecoin Collateral, Mixed
Summary
EURm is Reserve-backed by onchain euro collateral under Mento V3.
As of
2026-06-30
Profile confidence
High
Redemption profile
Current statusProtocol Based
Settlement assetSupported Mento pool assets
Eligible partiesUsers of supported Mento interfaces.
Retail accessPublic Protocol Exchange
Institutional accessPublic Protocol Exchange
Minimum amountProtocol and interface dependent.
FeeProtocol and network fees may apply.
Settlement timeNetwork and pool dependent.
Regional limitsApplicable restrictions may apply.
Current status
Protocol Based
Settlement asset
Supported Mento pool assets
Eligible parties
Users of supported Mento interfaces.
Retail access
Public Protocol Exchange
Institutional access
Public Protocol Exchange
Minimum amount
Protocol and interface dependent.
Fee
Protocol and network fees may apply.
Settlement time
Network and pool dependent.
Regional limits
Applicable restrictions may apply.
Reserve and attestation history
DatePublisherTypeAssets coveredRecord confidence
Not yet recordedMento ProtocolOnchain Protocol ContextStablecoin Collateral, OtherHigh

Mento Protocol

Not yet recorded
Type
Onchain Protocol Context
Assets covered
Stablecoin Collateral, Other
Record confidence
High

Evidence

Evidence

Publisher, provenance, supported claims, archive state, reliability, and publication date remain separate.
6 source identities · 6 evidence relations
SourcePublisherSource categoryProvenancePrimary or secondarySupported claimsArchiveReliability
The Evolution of Mento: cUSD becomes USDm
Published 2025-12-17
MentoOfficial statement or announcement
Canonical: Official Statement
Subject-controlled sourcePrimary sourceIdentity Rebrand, Contract Continuity, Event Date, Rebrand, Identity, Peg, Holder Action, Ceur to Eurm Rebrand No Contract or Peg ChangeArchive index or wildcardHigh
cEUR Celo Euro Goes Live
Published Not yet recorded
Celo ForumGovernance record
Canonical: Official Governance Proposal
Governance primary sourcePrimary sourceLaunch Date, Identity, Network, Historical Name, Ceur Activation Date Identity and Celo LaunchArchive index or wildcardHigh
The Reserve
Published Not yet recorded
Mento ProtocolOfficial documentation or product page
Canonical: Official Documentation
Subject-controlled sourcePrimary sourceBacking, Reserve, Collateral, Minting, Burning, Transparency, Eurm Reserve Backing Collateral and Rebalancing ModelArchive index or wildcardHigh
Getting Mento stables on Celo
Published Not yet recorded
Mento ProtocolOfficial documentation or product page
Canonical: Official Protocol Guide
Subject-controlled sourcePrimary sourceAccess, Exchange, Redemption, Fees, Network, Backing, Eurm Protocol Exchange Route Oracle Rate and Current Backing ModelArchive index or wildcardHigh
StableToken
Published Not yet recorded
Mento ProtocolOfficial documentation or product page
Canonical: Developer Docs
Subject-controlled sourcePrimary sourceContract Model, Token Standard, Minting, Burning, Protocol Version, Erc20 Token and V3 Mint Burn Contract ModelArchive index or wildcardHigh
Integrate Mento stables
Published Not yet recorded
Mento ProtocolOfficial documentation or product page
Canonical: Official Documentation
Subject-controlled sourcePrimary sourceContract Address, Token Standard, Network, Peg, Integration, Eurm Contract Identity Erc20 and Network IntegrationArchive index or wildcardHigh

Known unknowns

Known unknowns and coverage

Missing or disputed facts remain visible instead of being converted into certainty.
Open questions
TopicWhat remains unclearValue statePriorityLast checked
Reserve DetailCurrent reserve composition is not fully recorded.Unknown after reviewHigh2026-06-30
Contract HistoryComplete contract implementation history remains incomplete.Unknown after reviewHigh2026-06-30
Multichain HistoryComplete official cross-chain representation history is not recorded.Unknown after reviewMedium2026-06-30

Reserve Detail

Current reserve composition is not fully recorded.

Value state
Unknown after review
Priority
High
Last checked
2026-06-30

Contract History

Complete contract implementation history remains incomplete.

Value state
Unknown after review
Priority
High
Last checked
2026-06-30

Multichain History

Complete official cross-chain representation history is not recorded.

Value state
Unknown after review
Priority
Medium
Last checked
2026-06-30

Lifecycle

History

Current classification remains separate from dated changes and incidents.

Model and lifecycle changes

  1. Celo Euro becomes Mento EuroMigration
Event timeline
DateEventCategorySubtypeStatus effectRecovery
2021-04-22Celo Euro activates on CeloLaunch and introductionLaunchRemained activeNot applicable
2025-12-17Celo Euro becomes Mento EuroMigration and rebrandRebrandUnknown or unresolvedNot applicable

Related records and corrections

Corrections and further reading

Open connected records, methodology, machine-readable data, or report a correction.