BTC—ETH—

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

Closest in size by the same method

DateTargetLostTypeMethodReturned
09 Feb 2024PlayDapp$290.0mDeFi ProtocolHot Wallet Key Compromised—
29 Sept 2020KuCoin$281.0mCEXHot Wallet Key Compromised—
21 Apr 2018Gate$235.0mCEXPrivate Key Compromised—
13 Dec 2021Vulcan Forged$140.0mDeFi ProtocolHot Wallet Key Compromised—
30 Oct 2021BXH$139.0mDeFi ProtocolPrivate 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