Blast mainnet introduces native USDB — Stablecoin Event

Identity and classification

Overview

Date, taxonomy, impact, recovery, mechanism, confidence, and evidence remain separate.

Date	2024-02-29
Public event category	Launch and introduction
Canonical event subtype	Launch
Structured detail kind	Launch
Stablecoin subjects	USDB
Organization subjects	Blast
Impact	High
Effect on stablecoin lifecycle	Remained active
Canonical status-effect value	Active
Recovery or reversal	Not applicable
Recovery date	Not Applicable
Cause or mechanism	Blast mainnet launch context for the native auto-rebasing USDB contract.
Structured detail coverage	Structured fields available below
Record confidence	High

Date: 2024-02-29
Public category: Launch and introduction
Canonical subtype: Launch
Structured detail kind: Launch
Impact: High
Status effect: Remained active
Recovery: Not applicable
Recovery date: Not yet recorded
Cause or mechanism: Blast mainnet launch context for the native auto-rebasing USDB contract.
Record confidence: High

Affected records

Stablecoin and organization subjects remain separate record groups.

Stablecoin subject

Open the stablecoin dossier for current state, organizations, deployments, evidence, and unknowns.

Organization subject

Open the organization record for roles, relationships, events, evidence, and unknowns.

Typed record

Event-type-specific facts remain visible with explicit value states.

Structured event detail

Launch detail — Summary	Blast mainnet launch context for the native auto-rebasing USDB contract.
Launch detail — Status	Active
Launch detail — Resolution date	Not yet recorded
Launch detail — Affected deployments	sog_dep_usdb_blast_pr358
Launch detail — Related organizations	sog_org_blast

Launch detail — Summary: Blast mainnet launch context for the native auto-rebasing USDB contract.
Launch detail — Status: Active
Launch detail — Resolution date: Not yet recorded
Launch detail — Affected deployments: sog_dep_usdb_blast_pr358
Launch detail — Related organizations: sog_org_blast

Provenance

Source identity, publisher, publication date, reliability, archive, and relation count remain separate.

3 source identities · 3 evidence relations
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

Maintenance

Use the documented correction path and methodology.