Incident All ledgers
UPCX: $70.0m
UPCX lost $70.0m on 1 April 2025. Ranked 57th of 1,272 crypto failures, with method, returned funds and comparable incidents.
- Date
- 1 April 2025
- Lost
- $70.0m
- Returned or repaid
- None recorded
- Target
- DeFi Protocol
- Category
- Access Control
- Method
- Proxy Upgrade Hijack
- Chains
- Ethereum
On April 1, 2025, an attacker holding a compromised private key upgraded the UPCX payment platform's ProxyAdmin contract and called withdrawByAdmin, taking about 18.4M UPC tokens (roughly $70M) from three management accounts.
Against the ledger
- It ranks 57th of the 1,272 incidents with a known loss, and 7th in 2025.
- It accounts for 36.3% of the $193.0m in known losses in April 2025.
- 225 incidents in the ledger are classified as Access Control, for $1.96bn in total. This one is 3.6% of that.
- The ledger records no returned funds.
Closest in size by the same method
| Date | Target | Lost | Type | Method | Returned |
|---|---|---|---|---|---|
| 09 Nov 2017 | Parity Multisig | $150.0m | DeFi Protocol | Uninitialized Proxy | — |
| 08 Oct 2021 | Mirror | $90.0m | DeFi Protocol | Improper Access Control | — |
| 26 Mar 2024 | Munchables | $62.5m | Gaming | Proxy Upgrade Hijack | — |
| 25 Mar 2019 | Coinbene | $40.0m | CEX | Improper Access Control | — |
| 10 Jun 2018 | Coinrail | $37.2m | CEX | Improper Access Control | — |
All failures in 2025 · 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, “UPCX, failures ledger”, data to 2 November 2026, https://bitminer.io/ledger/incident/upcx-2025-04-01/. How this is built