BTC—ETH—

Incident All ledgers

Indodax: $25.2m

Indodax lost $25.2m on 10 September 2024. Ranked 115th of 1,272 crypto failures, with method, returned funds and comparable incidents.

Date
10 September 2024
Lost
$25.2m
Returned or repaid
None recorded
Target
CEX
Category
Frontend & Infrastructure
Method
Key Leaked via Infrastructure
Chains
Ethereum, Polygon, Optimism

On September 10, 2024, Indonesian exchange Indodax lost about $25.47 million from its hot wallet, including roughly 5,204 ETH plus other assets. Private keys were not compromised, suggesting the withdrawal protocol itself was breached.

Against the ledger

Closest in size by the same method

DateTargetLostTypeMethodReturned
12 Jul 2019BitPoint$27.6mCEXKey Leaked via Infrastructure—
16 Jul 2025BigONE$27.0mCEXSupply Chain Attack—
18 Feb 2024FixedFloat$26.1mDeFi ProtocolKey Leaked via Infrastructure—
18 Nov 2023Kronos Research$26.0mOtherAPI Key Compromised—
21 Mar 2026Resolv USR$24.5mDeFi ProtocolKey Leaked via Infrastructure—

All failures in 2024 · 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, “Indodax, failures ledger”, data to 2 November 2026, https://bitminer.io/ledger/incident/indodax-2024-09-10/. How this is built