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Record sog_st_usdb
USDB/USDB
Also recorded as Blast USDB, Blast USD
- Lifecycle
- Active
- Issuance
- Protocol-based
- Reference target
- US dollar
- Primary organization
- BlastNo additional recorded relationship
- Launch
- 2024-02-29
- Redemption
- Protocol Redemption
- Backing
- Unknown
- Stabilization
- Hybrid
- Last review
- 2026-07-13
- Evidence
- 3 source records
Reviewed assessment
Identity and current state
This summary reports reviewed facts and uncertainty. It is not a rating or recommendation.Blast-native auto-rebasing USD-referenced stablecoin. Official protocol documentation describes DAI bridge redemption and yield historically sourced from MakerDAO on-chain T-bill infrastructure.
| Name | USDB |
|---|---|
| Symbol | USDB |
| Aliases | Blast USDB, Blast USD |
| Asset class | Yield Bearing Stable Receipt |
| Lifecycle status | Active |
| Issuance status | Protocol-based |
| Canonical record ID | sog_st_usdb |
| Route slug | blast-usdb |
| Record confidence | High |
| Last reviewed | 2026-07-13 |
- Name
- USDB
- Symbol
- USDB
- Aliases
- Blast USDB, Blast USD
- Asset class
- Yield Bearing Stable Receipt
- Lifecycle status
- Active
- Issuance status
- Protocol-based
- Canonical record ID
sog_st_usdb- Route slug
blast-usdb- Record confidence
- High
- Last reviewed
- 2026-07-13
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 | 3 |
| Events | 1 |
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 Governed
- Primary display organization
- Blast
- 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
- 1
- Observed issuer-control events
- 0
- Relationship coverage
- 1 recorded relationship
| Organization | Organization category | Regulatory character | Jurisdiction | Role | Display priority | From | Until | Relationship status |
|---|---|---|---|---|---|---|---|---|
| Blast | Protocol or software system | Protocol or decentralized system | Decentralized / protocol | Protocol operator | Primary display | 2024-02-29 | Not yet recorded | Active relationship |
Protocol or software system
Primary displayBlast
- Functional role
- Protocol operator
- Relationship status
- Active relationship
- Regulatory character
- Protocol or decentralized system
- Jurisdiction
- Decentralized / protocol
- From
- 2024-02-29
- Until
- Not recorded
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
- USDB is USD-referenced and redeemable through the Blast bridge for DAI rather than directly for fiat.
- Public backing model
- Unknown
- Canonical backing types
- Stablecoin Collateral, Tokenized Fund
- Reserve component categories
- Stablecoin Collateral
- Primary stabilization mechanism
- Hybrid
- Recorded model description
- Protocol Bridged Stablecoin with Native Rebase
- Redemption / exit model
- Protocol Redemption
- Valuation source
- Public information is incomplete
- Yield / rebase profile
- Rebasing · Accrual: Asset
- Classification notes
- Protocol-native, bridge-issued, auto-rebasing stablecoin with DAI bridge redemption and external yield-source dependency.
Reserve and redemption
Reserve and redemption
Recorded components, disclosures, reports, and redemption conditions remain explicit.Reserve components
- DAI bridge-redemption context with historical MakerDAO on-chain T-bill yield sourcingStablecoin Collateral · This component records documented protocol dependency without asserting asset-level custody, allocation percentage, or bankruptcy protection.
| Disclosure status | Official Protocol Description No Asset Level Attestation |
|---|---|
| Backing types | Stablecoin Collateral, Tokenized Fund |
| Summary | Blast documentation describes USDB as issued when users bridge stablecoins, historically linked to DAI and MakerDAO on-chain T-bill yield. This is a protocol backing description, not an issuer reserve attestation. |
| As of | 2026-07-13 |
| Profile confidence | High |
- Disclosure status
- Official Protocol Description No Asset Level Attestation
- Backing types
- Stablecoin Collateral, Tokenized Fund
- Summary
- Blast documentation describes USDB as issued when users bridge stablecoins, historically linked to DAI and MakerDAO on-chain T-bill yield. This is a protocol backing description, not an issuer reserve attestation.
- As of
- 2026-07-13
- Profile confidence
- High
| Current status | Protocol Based |
|---|---|
| Settlement asset | DAI |
| Eligible parties | Users able to access and operate the Blast bridge. |
| Retail access | Protocol Bridge Available |
| Institutional access | Protocol Bridge Available |
| Minimum amount | Not established in the reviewed public source set. |
| Fee | Bridge and network fees may apply; exact terms require current bridge review. |
| Settlement time | Depends on bridge and network operation. |
| Regional limits | Protocol and interface access conditions apply., DAI bridge redemption is not direct fiat redemption. |
- Current status
- Protocol Based
- Settlement asset
- DAI
- Eligible parties
- Users able to access and operate the Blast bridge.
- Retail access
- Protocol Bridge Available
- Institutional access
- Protocol Bridge Available
- Minimum amount
- Not established in the reviewed public source set.
- Fee
- Bridge and network fees may apply; exact terms require current bridge review.
- Settlement time
- Depends on bridge and network operation.
- Regional limits
- Protocol and interface access conditions apply., DAI bridge redemption is not direct fiat redemption.
| Date | Publisher | Type | Assets covered | Record confidence |
|---|---|---|---|---|
| Not yet recorded | Blast | Official Protocol Backing Description | Stablecoin Collateral, Tokenized Fund | High |
Blast
Not yet recorded- Type
- Official Protocol Backing Description
- Assets covered
- Stablecoin Collateral, Tokenized Fund
- 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| blast | Specific network recorded | erc20 | Protocol-native or protocol-supported deployment | Protocol Native Token | Active | Active | No separate change state recorded | Native deployment | Canonicality recorded | Verified | Identifier recorded | 0x4300000000000000000000000000000000000003 | Not yet recorded | Not yet recorded | 1 | Blast documentation publishes this USDB mainnet contract and describes native rebasing and bridge redemption. |
| 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 |
|---|---|---|---|---|---|---|---|
| About Blast Published Not yet recorded | Blast | Official documentation or product page Canonical: Official Documentation | Subject-controlled source | Primary source | Identity, Protocol operator, Income, Redemption, Backing, Event, Usdb Identity Rebasing Yield Source and Dai Bridge Redemption | Archive index or wildcard | High |
| Blast bridged token addresses Published Not yet recorded | Blast | Official documentation or product page Canonical: Official Documentation | Subject-controlled source | Primary source | Deployment, Contract Identity, Event, Usdb Blast Mainnet Contract Identity | Archive index or wildcard | High |
| Blast — native yield for ETH and stablecoins Published Not yet recorded | Blast | Official documentation or product page Canonical: Official Website | Subject-controlled source | Primary source | Identity, Income, Redemption, Protocol Context, Event, Usdb Protocol Product Rebasing and Dai Redemption Context | Archive index or wildcard | 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 |
|---|---|---|---|---|
| Legal Claim Counterparty | Official protocol documentation establishes USDB mechanics but does not establish a direct legal issuer or corporate claim counterparty. | Unknown after review | High | 2026-07-13 |
| Bridge Custody and Redemption Terms | DAI bridge redemption is documented, but complete bridge custody, failure, fee, delay, governance, and recovery terms remain unresolved. | Unknown after review | High | 2026-07-13 |
| Yield Source and Governance | Historical documentation identifies MakerDAO on-chain T-bill infrastructure as the yield source while allowing future replacement; current allocation, counterparties, rate policy, and governance controls require continuing review. | Unknown after review | High | 2026-07-13 |
Legal Claim Counterparty
Official protocol documentation establishes USDB mechanics but does not establish a direct legal issuer or corporate claim counterparty.
- Value state
- Unknown after review
- Priority
- High
- Last checked
- 2026-07-13
Bridge Custody and Redemption Terms
DAI bridge redemption is documented, but complete bridge custody, failure, fee, delay, governance, and recovery terms remain unresolved.
- Value state
- Unknown after review
- Priority
- High
- Last checked
- 2026-07-13
Yield Source and Governance
Historical documentation identifies MakerDAO on-chain T-bill infrastructure as the yield source while allowing future replacement; current allocation, counterparties, rate policy, and governance controls require continuing review.
- Value state
- Unknown after review
- Priority
- High
- Last checked
- 2026-07-13
Lifecycle
History
Current classification remains separate from dated changes and incidents.Model and lifecycle changes
No separate model-change event is currently recorded.
| Date | Event | Category | Subtype | Status effect | Recovery |
|---|---|---|---|---|---|
| 2024-02-29 | Blast mainnet introduces native USDB | 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.- All stablecoinsCompare this record with the rest of the archive.
- BlastDecentralized / protocol
- Event registry1 connected event recorded.
- MethodologyRead classification, evidence, and value-state rules.
- CorrectionsReport a source, relationship, or record problem.
- Data manifestInspect the machine-readable public layer.