Stablecoin dossierReturn to register

Record sog_st_bison_eub

EUBBison Bank Electronic Money Token — Euro

Also recorded as EUB, Bison Bank EUB, Bison Electronic Money Token Euro

Restricted

Lifecycle: Restricted
Issuance: Restricted
Reference target: Euro
Primary organization: Bison Bank, S.A.
No additional recorded relationship
Launch: 2026-05-06
Redemption: Issuer Redemption
Backing: Unknown
Stabilization: Issuer redemption
Last review: 2026-08-03
Evidence: 3 source records

Reviewed assessment

Identity and current state

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

Euro-referenced electronic-money token issued by Bison Bank, S.A. for pre-approved institutional partners, with 1:1 issuance and redemption claims and an allowlisted Solana Token-2022 deployment whose exact mint address is not published in the reviewed official sources.

Name	Bison Bank Electronic Money Token — Euro
Symbol	EUB
Aliases	EUB, Bison Bank EUB, Bison Electronic Money Token Euro
Asset class	Stablecoin
Lifecycle status	Restricted
Issuance status	Restricted
Canonical record ID	`sog_st_bison_eub`
Route slug	`bison-bank-eub`
Record confidence	High
Last reviewed	2026-08-03

Name: Bison Bank Electronic Money Token — Euro
Symbol: EUB
Aliases: EUB, Bison Bank EUB, Bison Electronic Money Token Euro
Asset class: Stablecoin
Lifecycle status: Restricted
Issuance status: Restricted
Canonical record ID: sog_st_bison_eub
Route slug: bison-bank-eub
Record confidence: High
Last reviewed: 2026-08-03

Record coverage

Section	Entries
Organizations	1
Sources	3
Reserve reports	1
Reserve components	1
Model-history events	0
Regulatory notes	0
Deployments	1
Issuer-control actions	0
Open questions	5
Events	1

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: Centralized
Primary display organization: Bison Bank, S.A.
Primary display role: Legal issuer
Relationship coverage: 1 recorded relationship

Control and relationship coverage

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: 1
Observed issuer-control events: 0

All current, ended, and unknown-state organization relationships
Organization	Organization category	Regulatory character	Jurisdiction	Role	Display priority	From	Until	Relationship status
Bison Bank, S.A.	Unknown or not yet classified	Unknown or unresolved	Portugal	Legal issuer	Primary display	2026-05-06	Not yet recorded	Active relationship

Unknown or not yet classified

Bison Bank, S.A.

Primary display

Functional role: Legal issuer
Relationship status: Active relationship
Regulatory character: Unknown or unresolved
Jurisdiction: Portugal
From: 2026-05-06
Until: Not recorded

Mechanism

How the asset works

Primary operating facts are shown first. Classification and methodology details remain available below.

Reference target: Euro
Public backing model: Unknown
Primary stabilization mechanism: Issuer redemption
Redemption / exit model: Issuer Redemption
Valuation source: Public information is incomplete
Yield / rebase profile: No recorded change · Accrual: No recorded change

Classification and mechanism details

Reference kind: Fiat
Comparison category: Euro
Target value: 1
Reference methodology: EUB targets one euro through Bison Bank issuance and redemption at par for approved institutional partners.
Canonical backing types: Other
Reserve component categories: Other
Recorded model description: Fiat Reserve Backed
Classification notes: Centrally issued euro electronic-money token with institutional-only access, allowlisted transfers, issuer redemption at par, and reserve composition retained as unknown beyond the issuer's high-quality and liquid investment framework.

Reserve and redemption

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

Reserve components

Euro fiat proceeds managed under the issuer's stated conservative high-quality and liquid investment framework; exact current asset categories are not publishedOther · This component preserves the issuer's general reserve-management claim without inventing cash, deposit, security, maturity, amount, share, or custodian facts. It is not a token-specific attestation component.

Reserve profile

Disclosure status	Micar Whitepaper Framework No Token Specific Attestation
Backing types	Other
Summary	Bison Bank describes EUB as issued and redeemed at par against euro fiat proceeds managed under a conservative high-quality and liquid investment strategy. The reviewed public sources do not establish current token-specific reserve categories, amounts, shares, custodian identity, liabilities, excess reserves, or a token-specific assurance opinion.
As of	2026-03-12
Profile confidence	High

Disclosure status: Micar Whitepaper Framework No Token Specific Attestation
Backing types: Other
Summary: Bison Bank describes EUB as issued and redeemed at par against euro fiat proceeds managed under a conservative high-quality and liquid investment strategy. The reviewed public sources do not establish current token-specific reserve categories, amounts, shares, custodian identity, liabilities, excess reserves, or a token-specific assurance opinion.
As of: 2026-03-12
Profile confidence: High

Redemption profile

Current status	Institutional Only
Settlement asset	EUR fiat
Eligible parties	Pre-approved institutional partners with the required Bison Bank relationship, completed AML/KYC review, and an approved Solana-compatible wallet.
Retail access	No direct retail issuance or redemption channel is established in the reviewed public sources.
Institutional access	Available to approved institutional partners through the Bison workflow subject to current compliance and allowlist controls.
Minimum amount	not stated in the reviewed public sources
Fee	not stated in the reviewed public sources
Settlement time	Within two Lisbon business days after required compliance checks and transfer of EUB under the reviewed whitepaper terms.
Regional limits	Institutional Partner Approval Required, Bison Bank Relationship Required, Aml Kyc Screening Applies, Approved Wallet Allowlist Required, Not yet recorded

Current status: Institutional Only
Settlement asset: EUR fiat
Eligible parties: Pre-approved institutional partners with the required Bison Bank relationship, completed AML/KYC review, and an approved Solana-compatible wallet.
Retail access: No direct retail issuance or redemption channel is established in the reviewed public sources.
Institutional access: Available to approved institutional partners through the Bison workflow subject to current compliance and allowlist controls.
Minimum amount: not stated in the reviewed public sources
Fee: not stated in the reviewed public sources
Settlement time: Within two Lisbon business days after required compliance checks and transfer of EUB under the reviewed whitepaper terms.
Regional limits: Institutional Partner Approval Required, Bison Bank Relationship Required, Aml Kyc Screening Applies, Approved Wallet Allowlist Required, Complete Current Partner and Jurisdiction Inventory Not Recorded

Reserve and attestation history

Date	Publisher	Type	Assets covered	Record confidence
2026-03-12	Bison Bank, S.A.	Issuer Whitepaper Reserve and Redemption Framework	Other	High

Bison Bank, S.A.

2026-03-12

Type: Issuer Whitepaper Reserve and Redemption Framework
Assets covered: Other
Record confidence: High

Deployments and legal context

Network state, contract identity, legal notices, and value states remain separate.

Blockchain deployments

Network	Standard	Deployment type	Operational state	Contract or identifier
Solana	Solana Token-2022	Issuer- or institution-supported deployment	Active	Identifier not recorded
Technical, canonicality, and control fields Network record state Specific network recorded Canonical deployment type Issuer Native Token Recorded status Active Change or proposal state No separate change state recorded Canonicality Issuer-native deployment Canonicality record state Canonicality recorded Verification state Source-linked record; identifier not recorded Contract identity state Identifier not recorded Freeze Not yet recorded Blacklist Not yet recorded Control events 1 Notes Issuer-native Solana Token-2022 deployment restricted to approved wallets. The reviewed official EUB whitepaper records the digital-token identifier field as not applicable, and no exact mint received the required second authoritative or direct on-chain confirmation. Current mint, permanent delegate, transfer-hook, allowlist, freeze, block, recall, and administrative role addresses and operational states remain unresolved.

Network

Solana

Active

Standard: Solana Token-2022
Deployment type: Issuer- or institution-supported deployment
Contract or identifier: Identifier not recorded

Technical, canonicality, and control fields

Network record state: Specific network recorded
Canonical deployment type: Issuer Native Token
Recorded status: Active
Change or proposal state: No separate change state recorded
Canonicality: Issuer-native deployment
Canonicality record state: Canonicality recorded
Verification state: Source-linked record; identifier not recorded
Contract identity state: Identifier not recorded
Freeze: Not yet recorded
Blacklist: Not yet recorded
Control events: 1
Notes: Issuer-native Solana Token-2022 deployment restricted to approved wallets. The reviewed official EUB whitepaper records the digital-token identifier field as not applicable, and no exact mint received the required second authoritative or direct on-chain confirmation. Current mint, permanent delegate, transfer-hook, allowlist, freeze, block, recall, and administrative role addresses and operational states remain unresolved.

Regulatory and official notices

Date	Title	Authority / publisher	Type	Summary
No regulatory notes have been added yet.

No regulatory notes have been added yet.

Evidence

Publisher, provenance, supported claims, archive state, reliability, and publication date remain separate.

3 source identities · 3 evidence relations
Source	Publisher	Source category	Provenance	Primary or secondary	Supported claims	Archive	Reliability
Bison Electronic Money Token: the first Portuguese stablecoin is launched today Published 2026-05-06	Bison Bank	Official statement or announcement Canonical: Official Announcement	Subject-controlled source	Primary source	Identity, Issuer, Launch, Lineage, Reference Asset, Reserve Framework, Access, Event, Bison Eub Usb Launch Identity Issuer Backing and Institutional Access	Archive index or wildcard	High
EUB — Bison Bank Electronic Money Token — Euro Published Not yet recorded	Bison Bank	Official documentation or product page Canonical: Official Product Page	Subject-controlled source	Primary source	Identity, Issuer, Reference Asset, Deployment, Issuance, Redemption, Access, Reserve Framework, Event, Bison Eub Identity Eur Reference Solana Issuance Redemption Allowlist and Reserve Framework	Archive index or wildcard	High
Bison Bank EUB Crypto-Asset White Paper Published 2026-03-12	Bison Bank, S.A.	Legal terms or disclosure Canonical: Official Legal Documentation	Subject-controlled source	Primary source	Identity, Issuer, Legal, Regulatory Context, Offer Start, Deployment, Contract Identity Boundary, Issuance, Redemption, Access, Control Policy, Reserve Framework, Income, Risk, Event, Bison Eub Mica Legal Offer Solana Token 2022 Identifier Boundary Issuance Redemption Access Controls Reserve Framework and No Yield	Archive index or wildcard	High

Official statement or announcement

Bison Electronic Money Token: the first Portuguese stablecoin is launched today

High

Publisher: Bison Bank
Published: 2026-05-06
Provenance: Subject-controlled source
Primary or secondary: Primary source
Supported claims: Identity, Issuer, Launch, Lineage, Reference Asset, Reserve Framework, Access, Event, Bison Eub Usb Launch Identity Issuer Backing and Institutional Access
Archive: Archive index or wildcard
Reliability: High

Official documentation or product page

EUB — Bison Bank Electronic Money Token — Euro

High

Publisher: Bison Bank
Published: Not yet recorded
Provenance: Subject-controlled source
Primary or secondary: Primary source
Supported claims: Identity, Issuer, Reference Asset, Deployment, Issuance, Redemption, Access, Reserve Framework, Event, Bison Eub Identity Eur Reference Solana Issuance Redemption Allowlist and Reserve Framework
Archive: Archive index or wildcard
Reliability: High

Legal terms or disclosure

Bison Bank EUB Crypto-Asset White Paper

High

Publisher: Bison Bank, S.A.
Published: 2026-03-12
Provenance: Subject-controlled source
Primary or secondary: Primary source
Supported claims: Identity, Issuer, Legal, Regulatory Context, Offer Start, Deployment, Contract Identity Boundary, Issuance, Redemption, Access, Control Policy, Reserve Framework, Income, Risk, Event, Bison Eub Mica Legal Offer Solana Token 2022 Identifier Boundary Issuance Redemption Access Controls Reserve Framework and No Yield
Archive: Archive index or wildcard
Reliability: High

Known unknowns

Known unknowns and coverage

Missing or disputed facts remain visible instead of being converted into certainty.

Open questions

Topic	What remains unclear	Value state	Priority	Last checked
Exact Solana Mint and Digital Token Identifier	Official EUB materials establish Solana Token-2022 and approved-wallet use, but the reviewed whitepaper records its digital-token identifier field as not applicable and no exact mint address received a second authoritative or direct on-chain confirmation.	Unknown after review	High	2026-08-03
First Onchain Issuance Supply and Date Boundary	The EUB whitepaper states an offer start date of 2026-04-10 and the official launch article states a public launch on 2026-05-06. The exact first on-chain mint, first holder allocation, initial circulating supply, and current supply remain unestablished.	Unknown after review	Medium	2026-08-03
Current Reserve Composition Custodian and Token Specific Assurance	The issuer describes par issuance and redemption and a conservative high-quality and liquid investment framework, but the reviewed sources do not establish current EUB reserve categories, amounts, shares, custodian identity, liabilities, excess reserves, or a token-specific audit or attestation opinion.	Unknown after review	High	2026-08-03
Current Issuance Redemption Fees Minimums and Access Inventory	Approved institutional access, AML/KYC, a Bison Bank relationship, and an approved wallet are supported. The current issuance and redemption fee schedule, minimum amounts, complete partner inventory, customer-type policy, country inventory, and approved-wallet inventory remain unpublished in the reviewed sources.	Unknown after review	Medium	2026-08-03
Current Token 2022 Control Authorities and Operational State	The reviewed EUB whitepaper describes approved-wallet restrictions and issuer control capabilities, but the exact mint authority, freeze authority, permanent delegate, transfer hook, allowlist administrator, block or recall authority, role-holder addresses, and current operational control state remain unestablished.	Unknown after review	High	2026-08-03

Exact Solana Mint and Digital Token Identifier

Official EUB materials establish Solana Token-2022 and approved-wallet use, but the reviewed whitepaper records its digital-token identifier field as not applicable and no exact mint address received a second authoritative or direct on-chain confirmation.

Value state: Unknown after review
Priority: High
Last checked: 2026-08-03

First Onchain Issuance Supply and Date Boundary

The EUB whitepaper states an offer start date of 2026-04-10 and the official launch article states a public launch on 2026-05-06. The exact first on-chain mint, first holder allocation, initial circulating supply, and current supply remain unestablished.

Value state: Unknown after review
Priority: Medium
Last checked: 2026-08-03

Current Reserve Composition Custodian and Token Specific Assurance

The issuer describes par issuance and redemption and a conservative high-quality and liquid investment framework, but the reviewed sources do not establish current EUB reserve categories, amounts, shares, custodian identity, liabilities, excess reserves, or a token-specific audit or attestation opinion.

Value state: Unknown after review
Priority: High
Last checked: 2026-08-03

Current Issuance Redemption Fees Minimums and Access Inventory

Approved institutional access, AML/KYC, a Bison Bank relationship, and an approved wallet are supported. The current issuance and redemption fee schedule, minimum amounts, complete partner inventory, customer-type policy, country inventory, and approved-wallet inventory remain unpublished in the reviewed sources.

Value state: Unknown after review
Priority: Medium
Last checked: 2026-08-03

Current Token 2022 Control Authorities and Operational State

The reviewed EUB whitepaper describes approved-wallet restrictions and issuer control capabilities, but the exact mint authority, freeze authority, permanent delegate, transfer hook, allowlist administrator, block or recall authority, role-holder addresses, and current operational control state remain unestablished.

Value state: Unknown after review
Priority: High
Last checked: 2026-08-03

Lifecycle

History

Current classification remains separate from dated changes and incidents.

Model and lifecycle changes

No separate model-change event is currently recorded.

Event timeline

Date	Event	Category	Subtype	Status effect	Recovery
2026-05-06	Bison Bank launches the EUB euro electronic-money token	Launch and introduction	Launch	Restricted or impaired	Not applicable

Related records and corrections

Corrections and further reading

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