BTC—ETH—

Incident All ledgers

Upbit: $49.3m

Upbit lost $49.3m on 27 November 2019. Ranked 74th of 1,272 crypto failures, with method, returned funds and comparable incidents.

Date
27 November 2019
Lost
$49.3m
Returned or repaid
None recorded
Target
CEX
Category
Key Compromise
Method
Hot Wallet Key Compromised
Chains
Ethereum

On November 27, 2019, attackers drained 342,000 ETH (about $49.3M) from South Korean exchange Upbit's Ethereum hot wallet. Upbit halted deposits and withdrawals, moved remaining funds to cold storage, and covered losses itself; authorities later attributed it to Lazarus/Andariel.

Against the ledger

Other incidents named Upbit

DateTargetLostTypeMethodReturned
26 Nov 2025Upbit$36.0mCEXMalware—

Closest in size by the same method

DateTargetLostTypeMethodReturned
12 Sept 2023CoinEx$55.0mCEXHot Wallet Key Compromised—
22 Jun 2024BtcTurk$54.0mCEXHot Wallet Key Compromised—
24 Feb 2025Infini$49.5mDeFi ProtocolPrivate Key Compromised—
14 Aug 2025BtcTurk$48.0mCEXHot Wallet Key Compromised—
19 Jul 2025CoinDCX$44.2mCEXHot Wallet Key Compromised—

All failures in 2019 · 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, “Upbit, failures ledger”, data to 2 November 2026, https://bitminer.io/ledger/incident/upbit-2019-11-27/. How this is built