Incident All ledgers
Resolv USR: $24.5m
Resolv USR lost $24.5m on 21 March 2026. Ranked 117th of 1,272 crypto failures, with method, returned funds and comparable incidents.
- Date
- 21 March 2026
- Lost
- $24.5m
- Returned or repaid
- None recorded
- Target
- DeFi Protocol
- Category
- Frontend & Infrastructure
- Method
- Key Leaked via Infrastructure
- Chains
- Ethereum
Resolv lost about $24.5M after its AWS KMS-hosted service-role private key was compromised, letting an attacker mint 80M unbacked USR stablecoins. The attacker converted the USR through wstUSR into ETH before the stablecoin depegged.
Against the ledger
- It ranks 117th of the 1,272 incidents with a known loss, and 14th in 2026.
- It accounts for 57.3% of the $42.7m in known losses in March 2026.
- 93 incidents in the ledger are classified as Frontend & Infrastructure, for $7.49bn in total. This one is 0.3% of that.
- The ledger records no returned funds.
Closest in size by the same method
| Date | Target | Lost | Type | Method | Returned |
|---|---|---|---|---|---|
| 12 Jul 2019 | BitPoint | $27.6m | CEX | Key Leaked via Infrastructure | — |
| 16 Jul 2025 | BigONE | $27.0m | CEX | Supply Chain Attack | — |
| 18 Feb 2024 | FixedFloat | $26.1m | DeFi Protocol | Key Leaked via Infrastructure | — |
| 18 Nov 2023 | Kronos Research | $26.0m | Other | API Key Compromised | — |
| 10 Sept 2024 | Indodax | $25.2m | CEX | Key Leaked via Infrastructure | — |
All failures in 2026 · The failures ledger
Amounts are DefiLlama’s estimates and can change as incidents are revalued. Its returned figure can include money a company repaid itself, not only funds recovered from attackers. Source: DefiLlama.
Cite this Bitminer.io, “Resolv USR, failures ledger”, data to 2 November 2026, https://bitminer.io/ledger/incident/resolv-usr-2026-03-21/. How this is built