BTC—ETH—

Incident All ledgers

Multichain: $126.0m

Multichain lost $126.0m on 7 July 2023. Ranked 35th of 1,272 crypto failures, with method, returned funds and comparable incidents.

Date
7 July 2023
Lost
$126.0m
Returned or repaid
None recorded
Target
DeFi Protocol
Category
Key Compromise
Method
Validator Key Compromised
Chains
Moonriver, BSC, Fantom

About $126M in assets such as WBTC, WETH and stablecoins was drained from Multichain's bridge reserves on Fantom, Moonriver and Dogechain on July 6-7, 2023. Its CEO, who held the MPC signing keys, had been detained since May 2023, and the project closed days later.

Against the ledger

Other incidents named Multichain

DateTargetLostTypeMethodReturned
10 Jul 2021Multichain$7.9mCEXWeak Key Generation—
18 Jan 2022Multichain$1.4mDeFi ProtocolMissing Input Validation—
15 Feb 2023Multichain$130,000DeFi ProtocolSignature Verification Flaw—

Closest in size by the same method

DateTargetLostTypeMethodReturned
13 Dec 2021Vulcan Forged$140.0mDeFi ProtocolHot Wallet Key Compromised—
30 Oct 2021BXH$139.0mDeFi ProtocolPrivate Key Compromised—
31 Jul 2026COLDCARD$116.0mWalletWeak Key Generation—
23 Jun 2022Harmony Bridge$100.0mDeFi ProtocolValidator Key Compromised—
19 Aug 2021Liquid Global$91.3mCEXHot Wallet Key Compromised—

All failures in 2023 · 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, “Multichain, failures ledger”, data to 2 November 2026, https://bitminer.io/ledger/incident/multichain-2023-07-07/. How this is built