Sky Dollar (USDS)

Issued by Sky Protocol | Launched 2024

Last Updated
February 1, 2026

Trust Score pending calculation

Key Facts

Peg Currency
USD
Backing Type
Crypto Collateralized
Audit Frequency
None
Reserve Ratio
N/A

Global Regulatory Status

US
UnclearM
EU
UnclearL

Reserve & Custody

Reserve Custodians

Monetalis Clydesdale (Jersey SPV)
JEReserve
Not FDIC Insured

MIP65 implementation providing $500M+ US Treasury exposure via Jersey-based SPV structure. Institutional custody of Treasury securities. Governance-controlled allocation. Represents ~25% of USDS collateral. Jurisdictional risk: Jersey is a Crown dependency with separate legal system; bankruptcy proceedings may differ from UK mainland.

BlockTower Andromeda (Delaware Trust)
United StatesReserve
Not FDIC Insured

Delaware statutory trust structure providing enhanced yield via institutional credit strategies. Investment-grade focus with yield optimization. Part of RWA collateral allocation (~25% total). Delaware trust law provides legal clarity but trust structure creates counterparty dependency on BlockTower as trustee/manager.

Reserve Attestation

No attestation data available

This stablecoin does not publish regular reserve attestations.

Redemption

Direct Redemption
No
Restrictions
  • No direct issuer redemption
  • Exit via DEX or secondary markets

Chain Support

EthereumSolana

Historical Timeline

5 events from 2024 to 2024

2024

AuditNovember 1, 20241 source

ChainSecurity

Full_auditDecember 15, 2024

December 2024 audit of Endgame Toolkit deployment scripts and Sky transition components. Reviewed token migration contracts, farming contracts, and governance modules.

AuditOctober 1, 20241 source

Cantina

Full_auditNovember 30, 2024

Crowdsourced security researcher competition for Sky transition components. Code4rena model with diverse attacker perspective and severity-based rewards.

ControversySeptember 18, 20242 sources

Absence of Independent Reserve Attestation Reports

According to comprehensive research conducted February 2026, no independent CPA or auditor attestation reports have been identified for USDS reserves. Unlike USDC (monthly Grant Thornton attestations) and USDT (quarterly BDO Italia attestations), USDS relies solely on issuer-maintained on-chain dashboards (makerburn.com, daistats.com, info.sky.money) for collateral verification. This absence represents a material due diligence limitation and a gap versus institutional standards for reserve transparency. The DAO structure complicates attestation requirements as there is no single legal entity to engage auditors.

ongoing
IncidentAugust 15, 20242 sources

USDS Freeze Function Discovery - Governance Censorship Capability

According to community research in August 2024, USDS (Sky Protocol's successor to DAI) contains a governance-activatable freeze function that can blacklist addresses. The discovery triggered significant controversy about protocol decentralization. The freeze function is defended as necessary for Real World Asset (RWA) regulatory compliance.

high0
ControversyAugust 1, 20241 source

Freeze Function Discovery and Community Controversy

According to community research and social media discourse from August 2024, USDS (then newly launched) contained a governance-activatable freeze function that could blacklist addresses. The discovery triggered significant community alarm regarding protocol decentralization. Rune Christensen defended the function as necessary for Real World Asset (RWA) collateralization and Treasury yield access, stating 'future governance can decide how to implement similar freezing functions based on considering all data.' The freeze function represents a fundamental departure from the censorship-resistant ethos that originally defined DAI.

ongoing

Financial Incidents

1 incident recorded
$0.0M
Total Reported Impact
0
Critical Severity
August 15, 2024
Most Recent

USDS Freeze Function Discovery - Governance Censorship Capability

High

August 15, 2024

High Confidence
Operational DisruptionOngoing

According to community research in August 2024, USDS (Sky Protocol's successor to DAI) contains a governance-activatable freeze function that can blacklist addresses. The discovery triggered significant controversy about protocol decentralization. The freeze function is defended as necessary for Real World Asset (RWA) regulatory compliance.

0
Details

In August 2024, community researchers discovered that the newly launched USDS token contract included a freeze/blacklist function that could be activated by governance to prevent specific addresses from transferring tokens. The discovery caused significant alarm in the DeFi community, with prominent voices arguing this represented a fundamental departure from the censorship-resistant ethos that originally defined DAI. Rune Christensen, founder of MakerDAO/Sky Protocol, defended the freeze function as necessary to access Real World Asset (RWA) yields and Treasury exposure, which require compliance with sanctions lists and regulatory requirements. According to Christensen's statements, 'future governance can decide how to implement similar freezing functions based on considering all data.' The controversy highlighted a central tension in the protocol's evolution: traditional finance integration requires regulatory compliance mechanisms (freezing), while the crypto-native user base values censorship resistance. The freeze function remains active and available for governance activation as of February 2026, creating ongoing uncertainty for institutional users about address-level risk.

Customer Impact

All USDS holders are subject to potential address freezing if governance activates the function. Creates uncertainty for institutional users regarding censorship risk. No direct financial losses occurred, but reputational damage and user migration to alternative stablecoins reported.

Issuer Response

Sky Protocol leadership defended freeze function as necessary for RWA integration and Treasury yield access. No commitment to remove function. Governance retains ability to activate freezing at any time. RWA partnerships (Monetalis Clydesdale, BlockTower) continue to depend on compliance capabilities.

Sources
According toSky Protocol Documentationas of August 15, 2024
Last verified: February 1, 2026Extracted by: agent

Banking Relationships

3 active, 0 terminated

Active Relationships

Monetalis Clydesdale (Jersey SPV)

Active
jereserve
June 1, 2022Present
Not FDIC Insured

MIP65 implementation providing $500M+ US Treasury exposure via Jersey-based SPV structure. Institutional custody of Treasury securities. Governance-controlled allocation. Represents ~25% of USDS collateral. Jurisdictional risk: Jersey is a Crown dependency with separate legal system; bankruptcy proceedings may differ from UK mainland.

Not disclosed in attestations

BlockTower Andromeda (Delaware Trust)

Active
usreserve
January 1, 2023Present
Not FDIC Insured

Delaware statutory trust structure providing enhanced yield via institutional credit strategies. Investment-grade focus with yield optimization. Part of RWA collateral allocation (~25% total). Delaware trust law provides legal clarity but trust structure creates counterparty dependency on BlockTower as trustee/manager.

Not disclosed in attestations

Centrifuge Partnership

Active
deoperational
September 1, 2021Present
Not FDIC Insured

Tokenized real-world asset infrastructure partnership. Enables invoice financing and trade receivables as collateral. German-based protocol with governance integration into MakerDAO/Sky. Adds operational complexity and jurisdiction risk (German/EU regulatory framework applies to Centrifuge operations).

Not disclosed in attestations

Audit History

ChainSecurity

November 1, 2024 → December 15, 2024

full_audit

December 2024 audit of Endgame Toolkit deployment scripts and Sky transition components. Reviewed token migration contracts, farming contracts, and governance modules.

Limitations:
  • Farming contracts owned by EOA during deployment phase (ownership transfer to PauseProxy required for production)
  • RWA oracle integration complexity may exceed audit coverage
  • SubDAO cross-contract interaction patterns not fully scoped
  • Governance AI tools (Phase 3) lack precedent for evaluation

Change reason: Pre-launch security review for Sky Protocol transition from MakerDAO

Cantina

October 1, 2024 → November 30, 2024

full_audit

Crowdsourced security researcher competition for Sky transition components. Code4rena model with diverse attacker perspective and severity-based rewards.

Limitations:
  • Competitive audits rely on researcher participation levels
  • No guarantee of exhaustive coverage
  • Severity scoring may not capture all risk categories
  • Smart contract interactions with external protocols not fully tested

Change reason: Diverse security researcher community engagement to complement traditional audits

Historical Controversies

Freeze Function Discovery and Community Controversy
Ongoing
August 1, 2024 - August 31, 2024

According to community research and social media discourse from August 2024, USDS (then newly launched) contained a governance-activatable freeze function that could blacklist addresses. The discovery triggered significant community alarm regarding protocol decentralization. Rune Christensen defended the function as necessary for Real World Asset (RWA) collateralization and Treasury yield access, stating 'future governance can decide how to implement similar freezing functions based on considering all data.' The freeze function represents a fundamental departure from the censorship-resistant ethos that originally defined DAI.

Absence of Independent Reserve Attestation Reports
Ongoing
September 18, 2024

According to comprehensive research conducted February 2026, no independent CPA or auditor attestation reports have been identified for USDS reserves. Unlike USDC (monthly Grant Thornton attestations) and USDT (quarterly BDO Italia attestations), USDS relies solely on issuer-maintained on-chain dashboards (makerburn.com, daistats.com, info.sky.money) for collateral verification. This absence represents a material due diligence limitation and a gap versus institutional standards for reserve transparency. The DAO structure complicates attestation requirements as there is no single legal entity to engage auditors.

Related Stablecoins

Issuer

Sky Protocol
Sky Protocol (formerly MakerDAO)
Established 2024
Operational Entities
  • Sky Protocol(unclear • DAO)
  • Monetalis Clydesdale(je • Jersey SPV)
  • BlockTower Andromeda(us • Delaware Statutory Trust)
  • Centrifuge Partnership(de • Tokenized RWA Infrastructure)
Transparency Reports →

Links