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Hack history / 2023 / Hack or exploit

Coinex

Hack or exploit on Sep 12, 2023 · Hot Wallet Key Compromised

SOURCES DISAGREE ON DATE OR LOSS · 4 SOURCES
Lost
$70M
sources: $55M to $70M
Returned
none listed
as the sources state it
Rank
#83
among thefts by dollars lost

What happened

CoinEx exchange suffered multi-chain attack on September 12, 2023 when attackers accessed hot wallet private keys, draining $31-54M across Ethereum, Tron, Polygon, and other chains.

Details

Date
Sep 12, 2023
Kind
Hack or exploit
Method
Hot Wallet Key Compromised
How in
Keys, accounts and infrastructure
Target
Centralized exchange
Chains
Ethereum, BNB Chain, Bitcoin, Tron, Kadena, Solana, Dagger, XRP, Bitcoin Cash, Polygon, Stellar, Arbitrum

Reported by

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Cite this pageSwanBluechip, "Coinex hack, Sep 12, 2023: $70M lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/ht720c84a002/ (data as of 2026-10-31).
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