Incident All ledgers
pNetwork: $13.0m
pNetwork lost $13.0m on 4 October 2021. Ranked 170th of 1,272 crypto failures, with method, returned funds and comparable incidents.
- Date
- 4 October 2021
- Lost
- $13.0m
- Returned or repaid
- None recorded
- Target
- DeFi Protocol
- Category
- Bridge & Cross-Chain
- Method
- Spoofed Event Log
- Chains
- BSC, Bitcoin
On September 19, 2021, an attacker exploited pNetwork's cross-chain bridge by forging peg-out event logs that its Rust log processor accepted without checking they came from authorized contracts, taking 277 BTC (wrapped on BSC), about $13M.
Against the ledger
- It ranks 170th of the 1,272 incidents with a known loss, and 34th in 2021.
- It accounts for 2.9% of the $449.0m in known losses in October 2021.
- 56 incidents in the ledger are classified as Bridge & Cross-Chain, for $1.53bn in total. This one is 0.8% of that.
- The ledger records no returned funds.
Other incidents named pNetwork
| Date | Target | Lost | Type | Method | Returned |
|---|---|---|---|---|---|
| 03 Nov 2022 | pNetwork | $4.3m | DeFi Protocol | Key Leaked via Infrastructure | — |
Closest in size by the same method
| Date | Target | Lost | Type | Method | Returned |
|---|---|---|---|---|---|
| 16 May 2018 | Bitcoin Gold | $18.0m | Chain | Forged Proof | — |
| 17 May 2026 | Verus-Ethereum Bridge | $11.5m | DeFi Protocol | Forged Proof | — |
| 15 May 2026 | THORChain DEX | $10.7m | Chain | Bridge Logic Flaw | — |
| 07 Jun 2026 | Syscoin Bridge | $10.0m | DeFi Protocol | Forged Proof | — |
| 01 Jan 2025 | NoOnes | $7.9m | DeFi Protocol | Cross-Chain Message Spoofing | — |
All failures in 2021 · 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, “pNetwork, failures ledger”, data to 2 November 2026, https://bitminer.io/ledger/incident/pnetwork-2021-10-04/. How this is built