Stablecoin dossierReturn to register

Record sog_st_usdcx_stacks

USDCxStacks USDCx

Also recorded as Stacks USDCx, USDCx on Stacks

Active

Lifecycle: Active
Issuance: Unknown
Reference target: US dollar
Primary organization: Stacks
No additional recorded relationship
Launch: 2025-12-18
Redemption: Protocol Burn to Usdc
Backing: Unknown
Stabilization: Protocol Mint Burn Against Usdc
Last review: 2026-08-31
Evidence: 1 source record

Reviewed assessment

Identity and current state

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

Stacks-issued USDC-backed stablecoin on the Bitcoin-linked Stacks network using Circle xReserve for 1:1 backing and interoperability.

Name	Stacks USDCx
Symbol	USDCx
Aliases	Stacks USDCx, USDCx on Stacks
Asset class	Stablecoin
Lifecycle status	Active
Issuance status	Unknown
Canonical record ID	`sog_st_usdcx_stacks`
Route slug	`stacks-usdcx`
Record confidence	High
Last reviewed	2026-08-31

Name: Stacks USDCx
Symbol: USDCx
Aliases: Stacks USDCx, USDCx on Stacks
Asset class: Stablecoin
Lifecycle status: Active
Issuance status: Unknown
Canonical record ID: sog_st_usdcx_stacks
Route slug: stacks-usdcx
Record confidence: High
Last reviewed: 2026-08-31

Record coverage

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

Material concerns

What the reviewed record does not let you assume

Active status and verified evidence are not safety endorsements. Unknown means the reviewed record does not support a stronger conclusion.

Reserve verification: Not independently evidenced in the registry
Material known unknowns: 1 open

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: Protocol
Primary display organization: Stacks
Primary display role: Protocol operator
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
Stacks	Unknown or not yet classified	Unknown or unresolved	Unknown or not publicly resolved	Protocol operator	Primary display	2025-12-18	Not yet recorded	Active relationship

Unknown or not yet classified

Stacks

Primary display

Functional role: Protocol operator
Relationship status: Active relationship
Regulatory character: Unknown or unresolved
Jurisdiction: Unknown or not publicly resolved
From: 2025-12-18
Until: Not recorded

Mechanism

How the asset works

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

Reference target: US dollar
Public backing model: Unknown
Primary stabilization mechanism: Protocol Mint Burn Against Usdc
Redemption / exit model: Protocol Burn to Usdc
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: US dollar
Target value: 1
Reference methodology: Circle states Stacks USDCx is backed by USDC held in xReserve.
Canonical backing types: Crypto Asset
Reserve component categories: Stablecoin Collateral
Recorded model description: Usdc Backed Circle Xreserve
Classification notes: Stacks USDCx uses Circle xReserve and is not modeled as direct Circle-issued USDC.

Reserve and redemption

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

Reserve components

USDC held in Circle xReserve backing Stacks USDCx 1:1Stablecoin Collateral · 100% · Circle states Stacks USDCx is fully backed by USDC held in xReserve.

Reserve profile

Disclosure status	Onchain Xreserve Backing
Backing types	Crypto Asset
Summary	Circle states Stacks USDCx is fully backed by USDC held in Circle xReserve.
As of	2025-12-18
Profile confidence	High

Disclosure status: Onchain Xreserve Backing
Backing types: Crypto Asset
Summary: Circle states Stacks USDCx is fully backed by USDC held in Circle xReserve.
As of: 2025-12-18
Profile confidence: High

Redemption profile

Current status	Protocol Exit
Settlement asset	USDC
Eligible parties	Users of supported Stacks/xReserve flows.
Retail access	protocol access subject to supported interfaces
Institutional access	protocol access subject to supported interfaces
Minimum amount	not established
Fee	not established
Settlement time	not established
Regional limits	Interface and Service Provider Restrictions May Apply

Current status: Protocol Exit
Settlement asset: USDC
Eligible parties: Users of supported Stacks/xReserve flows.
Retail access: protocol access subject to supported interfaces
Institutional access: protocol access subject to supported interfaces
Minimum amount: not established
Fee: not established
Settlement time: not established
Regional limits: Interface and Service Provider Restrictions May Apply

Reserve and attestation history

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

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

Blockchain deployments

Network	Standard	Deployment type	Operational state	Contract or identifier
Stacks	Stacks asset	Protocol-native or protocol-supported deployment	Active	Identifier not recorded
Technical, canonicality, and control fields Network record state Specific network recorded Canonical deployment type Protocol Native Token Recorded status Active Change or proposal state No separate change state recorded Canonicality 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 Circle establishes Stacks mainnet USDCx and publishes the asset identity; exact normalized address remains pending capture.

Network

Stacks

Active

Standard: Stacks asset
Deployment type: Protocol-native or protocol-supported deployment
Contract or identifier: Identifier not recorded

Technical, canonicality, and control fields

Network record state: Specific network recorded
Canonical deployment type: Protocol Native Token
Recorded status: Active
Change or proposal state: No separate change state recorded
Canonicality: 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: Circle establishes Stacks mainnet USDCx and publishes the asset identity; exact normalized address remains pending capture.

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.

1 source identity · 1 evidence relation
Source	Publisher	Source category	Provenance	Primary or secondary	Supported claims	Archive	Reliability
USDCx on Stacks now available via Circle xReserve Published 2025-12-18	Circle	Official statement or announcement Canonical: Official Announcement	Subject-controlled source	Primary source	Identity, Launch, Backing, Deployment, Contract Identity, Protocol Mechanism, Usdcx Stacks Identity Launch Xreserve Backing Mainnet Address	Archive index or wildcard	High

Official statement or announcement

USDCx on Stacks now available via Circle xReserve

High

Publisher: Circle
Published: 2025-12-18
Provenance: Subject-controlled source
Primary or secondary: Primary source
Supported claims: Identity, Launch, Backing, Deployment, Contract Identity, Protocol Mechanism, Usdcx Stacks Identity Launch Xreserve Backing Mainnet Address
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 Asset Identity Governance Mint Burn Controls and Interface Terms	Circle establishes Stacks USDCx launch and xReserve backing, but normalized asset identity and complete governance/control map remain unresolved.	Unknown after review	Medium	2026-08-31

Exact Asset Identity Governance Mint Burn Controls and Interface Terms

Circle establishes Stacks USDCx launch and xReserve backing, but normalized asset identity and complete governance/control map remain unresolved.

Value state: Unknown after review
Priority: Medium
Last checked: 2026-08-31

Lifecycle

History

Current classification remains separate from dated changes and incidents.

Model and lifecycle changes

2025-12-18USDCx becomes available on Stacks through Circle xReserveLaunch

Event timeline

Date	Event	Category	Subtype	Status effect	Recovery
2025-12-18	USDCx becomes available on Stacks through Circle xReserve	Launch and introduction	Launch	Remained active	Not applicable

Related records and corrections

Corrections and further reading

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