> open stablecoin/ust
TerraUSD
Algorithmic stablecoin from the Terra ecosystem. SOG treats UST as failed after the May 2022 collapse event.
Statusfailed
Evidence4
| Symbol | UST |
|---|---|
| Status | failed |
| Peg asset | USD |
| Collateral model | algorithmic |
| Issuer | Terraform Labs |
| Reserve disclosure | unavailable |
| Redemption status | unavailable |
| Launch date | 2020-09-01 |
| Discontinued date | 2022-05-12 |
| Confidence | medium |
| Last verified | 2026-06-01 |
Issuer dossier
Terraform Labs · company · unknown
Reserve reports
0 seed reserve disclosure reference(s) linked to this record.
Known unknowns
3 visible uncertainty item(s) kept for later review.
| Status | unavailable |
|---|---|
| Who can redeem | No functioning issuer redemption path is recorded for the failed UST stablecoin state. |
| Retail redemption | unavailable |
| Institutional redemption | unavailable |
| Minimum redemption | not_applicable |
| Region / access notes | Post-collapse USTC lifecycle should be treated separately from recovered stablecoin redemption. |
| Registry note | UST is treated as failed in SOG; any post-collapse trading is not treated as restored redemption. |
| Date | Title | Source | Type | Summary |
|---|---|---|---|---|
| 2023-02-16 | SEC action involving Terraform Labs and TerraUSD context | U.S. SEC | regulatory_action | The U.S. SEC announced charges against Terraform Labs and Do Kwon after the Terra ecosystem collapse. SOG records this as regulatory context connected to the UST history, not as a standalone status label. |
| 2022-07-04 | USTC and Luna Classic post-collapse lifecycle context | research_source | post_collapse_lifecycle_context | Post-collapse USTC and Luna Classic activity should be recorded as lifecycle context, not as evidence that UST recovered as a functioning stablecoin. |
| Chain | Deployment type | Status | Contract | Notes |
|---|---|---|---|---|
| Terra | native_protocol_asset | failed_legacy_context | not_applicable_or_source_review_needed | UST historical Terra deployment context. Post-collapse USTC and Terra Classic lifecycle should be handled separately from restored stablecoin status. |
| Coverage type | Count | Meaning |
|---|---|---|
| Issuer source | 0 | No source of this type is linked yet. |
| Reserve reference | 0 | No source of this type is linked yet. |
| Market data | 0 | No source of this type is linked yet. |
| Regulatory source | 2 | Source-backed reference present in this record. |
| Deployment / contract | 1 | Source-backed reference present in this record. |
| Exchange notice | 0 | No source of this type is linked yet. |
| News / analysis | 0 | No source of this type is linked yet. |
| Archive capture | 0 | No source of this type is linked yet. |
| Other source | 1 | Source-backed reference present in this record. |
| Date | Stage | Record | Detail |
|---|---|---|---|
| 2020-09-01 | launched | TerraUSD launch | Launch date recorded on the stablecoin entity. |
| 2022-05-09 | collapse | TerraUSD collapse | Event recorded as not recovered. |
| 2022-05-12 | failed | TerraUSD discontinued status | Discontinued date is recorded on the stablecoin entity. |
| 2026-06-01 | current_status | Current registry status: failed | This is the current SOG registry label, not a safety score. |
| Date | Event | Type | Impact | Recovered | Mechanism |
|---|---|---|---|---|---|
| 2022-05-09 | TerraUSD collapse | collapse | critical | no | algorithmic_death_spiral |
| Date | Publisher | Type | Asset categories | Confidence |
|---|---|---|---|---|
| No reserve report records yet. | ||||
| Source | Publisher | Type | Claim scope | Reliability |
|---|---|---|---|---|
| Terra documentation and ecosystem reference | Terra | database_reference | entity | medium |
| SEC charges Terraform Labs and Do Kwon with fraud | U.S. SEC | regulatory_source | regulatory_context | high |
| Anatomy of a Stablecoin's failure: the Terra-Luna case | arXiv | research_paper | collapse_analysis | medium |
| Emergency Management and Recovery of Luna Classic | arXiv | research_paper | post_collapse_lifecycle | medium |
| Topic | Description | Severity | Last checked |
|---|---|---|---|
| collapse_timeline | UST collapse timeline, exact sequence of exchange/liquidity events, and source-specific lowest price still need deeper event sequencing before detailed timeline display. | high | 2026-06-03 |
| reserve_intervention | Luna Foundation Guard reserve deployment, BTC reserve flow, and post-collapse audit details need exact source-backed handling before reserve intervention claims are displayed as facts. | high | 2026-06-03 |
| post_collapse_lifecycle | USTC / TerraClassicUSD post-collapse trading, community revival attempts, and lifecycle status need to be separated from the failed UST stablecoin status. | medium | 2026-06-03 |
Report this entry
Use GitHub Issues for public, source-backed corrections. Google Form support will be added later.