BTC—ETH—

Incident All ledgers

Harmony Bridge: $100.0m

Harmony Bridge lost $100.0m on 23 June 2022. Ranked 43rd of 1,272 crypto failures, with method, returned funds and comparable incidents.

Date
23 June 2022
Lost
$100.0m
Returned or repaid
None recorded
Target
DeFi Protocol
Category
Key Compromise
Method
Validator Key Compromised
Chains
Ethereum, BSC

On June 23, 2022, attackers drained about $100M in ETH, BNB, USDT, USDC and DAI from Harmony's Horizon Bridge on Ethereum and BSC. North Korea-affiliated Lazarus Group/APT38 compromised validator keys, exploiting a weak 2-of-5 quorum.

Against the ledger

Other incidents named Harmony

DateTargetLostTypeMethodReturned
11 Aug 2026Harmony Bridge$3.2mChainBridge Logic Flaw—

Closest in size by the same method

DateTargetLostTypeMethodReturned
07 Jul 2023Multichain$126.0mDeFi ProtocolValidator Key Compromised—
31 Jul 2026COLDCARD$116.0mWalletWeak Key Generation—
19 Aug 2021Liquid Global$91.3mCEXHot Wallet Key Compromised—
22 Nov 2023Heco Bridge$86.6mDeFi ProtocolHot Wallet Key Compromised—
23 Jan 2025Phemex$85.0mCEXHot Wallet Key Compromised—

All failures in 2022 · 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, “Harmony Bridge, failures ledger”, data to 2 November 2026, https://bitminer.io/ledger/incident/harmony-bridge-2022-06-23/. How this is built