Incident All ledgers
BitMart: $196.0m
BitMart lost $196.0m on 4 December 2021. Ranked 23rd of 1,272 crypto failures, with method, returned funds and comparable incidents.
- Date
- 4 December 2021
- Lost
- $196.0m
- Returned or repaid
- None recorded
- Target
- CEX
- Category
- Key Compromise
- Method
- Hot Wallet Key Compromised
- Chains
- Ethereum, BSC
On December 4, 2021, attackers compromised hot wallets at the BitMart exchange and stole about $196M, roughly $100M on Ethereum and $96M on Binance Smart Chain.
Against the ledger
- It ranks 23rd of the 1,272 incidents with a known loss, and 2nd in 2021.
- It accounts for 33.3% of the $588.3m in known losses in December 2021.
- 153 incidents in the ledger are classified as Key Compromise, for $8.96bn in total. This one is 2.2% of that.
- The ledger records no returned funds.
Closest in size by the same method
| Date | Target | Lost | Type | Method | Returned |
|---|---|---|---|---|---|
| 09 Feb 2024 | PlayDapp | $290.0m | DeFi Protocol | Hot Wallet Key Compromised | — |
| 29 Sept 2020 | KuCoin | $281.0m | CEX | Hot Wallet Key Compromised | — |
| 21 Apr 2018 | Gate | $235.0m | CEX | Private Key Compromised | — |
| 13 Dec 2021 | Vulcan Forged | $140.0m | DeFi Protocol | Hot Wallet Key Compromised | — |
| 30 Oct 2021 | BXH | $139.0m | DeFi Protocol | Private Key Compromised | — |
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, “BitMart, failures ledger”, data to 2 November 2026, https://bitminer.io/ledger/incident/bitmart-2021-12-04/. How this is built