CoinEX security incident analysis

According to an investigation by the CertiK security team, the amount of losses suffered by the CoinEX crypto exchange is estimated at $53.096 million.

Event Summary:

On September 13, 2023, the CertiK security team monitored and found that the total loss of the CoinEX exchange was approximately US$53.096 million. The funds are now located in 3 EOA addresses on Ethereum, and 1 EOA address on Polygon, Tron, BSC, Bitcoin Chain, Ripple, Solana, XDAG, Bitcoin Cash and Kadena. The leak of private keys is currently considered to be the main reason for this incident. There are also reports that hundreds of wallets on multiple chains may be implicated.

An investigation into the CoinEX social media platform revealed that its Telegram administrator had cleared all large group chat messages since December 2022. In addition, its Discord channel has also deleted all information related to this incident, but old messages are still there. Both Telegram and Discord have enabled user bans.

Currently the funds have been transferred to the following EOA address:

Ethereum

0x40cBe7580168d52b7FEC884120B31115c3F7E37E

Holdings: $10.419 million

0x1A61Df134d766f1e240FBFAEe79bBeCC04195f62

Holdings: $23.098 million

0x2118e4432d668aCFa347ddBA0efCcc6BB04DB297

Holdings: $5.347 million

Polygon

0xD4342E0277b3B9d11902FA1760F072868ECDBE2e

Holdings: $285,000

Tron

TP75t6owoqXxskLq6FB2R37PymNTmohq9L

Holdings: $11.175 million

BSC

0xc844f7178379782ec19f3ee6e399f2eb7b2b984f

Holdings: $6.22 million

Bitcoin Chain

0x6953704e753c6fd70eb6b083313089e4fc258a20

Holdings: $6.001 million

Ripple

rpQxVcjVF2fC23r3xKyJS53jw8d5SRhZQf

Holdings: $6.018 million

Solana

G3UDANRXK8STVE8SE2ZXMJ3QWU8GSFJMN28MTFN8T1KQ

Holdings: $2.427 million

XDAY

15VY3MadZvLpXhjzFXwCUmtZcHszju6L9

Holdings: $1.712 million

Bitcoin Cash

qrgxyhj8rzl4l7fgauu6q6vtu2grct4jeyrnaq2s75

Holdings: $445,000

chain

a9f3672d7ad7a1e4592702d73b220cbc61db1fa17f89a56131d965bc03959913

Holdings: $1.133 million

Total amount: 53096.6 million** USD**

Project details:

The CoinEx core team consists of professionals from top Internet and financial companies with extensive cryptocurrency experience. CoinEx uses its advanced trading matching system to provide users with an excellent trading experience.

| | | | --- | --- | | Website | | | Twitter | | | Telegram | | | Discord | | | Reddit | | | Medium | | | Youtube | | | FB | | | Email | support@coinex.com | | Other | Instagram: Github: |

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