Incident All ledgers
Binance: $6.36bn
Binance lost $6.36bn on 29 October 2026. Ranked 1st of 1,272 crypto failures, with method, returned funds and comparable incidents.
- Date
- 29 October 2026
- Lost
- $6.36bn
- Returned or repaid
- None recorded
- Target
- CEX
- Category
- Frontend & Infrastructure
- Method
- Key Leaked via Infrastructure
- Chains
- Ethereum, Bitcoin, TRON, Avalanche, Optimism, Arbitrum, Base
On October 29, attackers abused Binance's operational infrastructure to make unauthorized withdrawals on several chains, taking about $6.3 billion. A possibly compromised DevOps engineer's laptop is suspected; about $3 billion was frozen and Binance pledged to cover losses.
Against the ledger
- It ranks 1st of the 1,272 incidents with a known loss, and 1st in 2026.
- It accounts for 98.0% of the $6.49bn in known losses in October 2026.
- 93 incidents in the ledger are classified as Frontend & Infrastructure, for $7.49bn in total. This one is 84.9% of that.
- The ledger records no returned funds.
Other incidents named Binance
| Date | Target | Lost | Type | Method | Returned |
|---|---|---|---|---|---|
| 06 Oct 2022 | Binance Bridge | $570.0m | DeFi Protocol | Proof Verifier Bug | — |
| 07 May 2019 | Binance | $40.0m | CEX | Hot Wallet Key Compromised | — |
Closest in size by the same method
| Date | Target | Lost | Type | Method | Returned |
|---|---|---|---|---|---|
| 23 Sept 2023 | Mixin Network | $200.0m | Other | Database Breach | — |
| 02 Dec 2021 | Badger DAO | $120.0m | DeFi Protocol | CDN Compromise | — |
| 03 Jun 2023 | Atomic Wallet | $100.0m | Wallet | Supply Chain Attack | — |
| 09 Oct 2026 | Ledger (Supply Chain) | $93.0m | Wallet | Supply Chain Attack | — |
| 08 Dec 2017 | NiceHash | $64.0m | CEX | Key Leaked via Infrastructure | — |
On Bitminer.io
- Mercado Bitcoin loses $40 million four days after the $6.36 billion Binance incident
- Binance's $6.36bn loss is the largest on record and 97.9% of October's total
- Voyager Digital Liquidated and Shutdown After Deals With FTX and Binance US
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, “Binance, failures ledger”, data to 2 November 2026, https://bitminer.io/ledger/incident/binance-2026-10-29/. How this is built