MEXC Hack Reports Disagree on Date API Key Was Created

crypto.news and Crypto Economy give different dates and times for when the attacker's API key was created during the MEXC $340K withdrawal incident.

crypto.news and Crypto Economy give different dates and times for when the attacker's API key was created during the MEXC $340K withdrawal incident.

What all sources agree on

• MEXC said it reached an agreement with the affected user and considers the matter fully resolved.
• 322,110 USDT and 9,133,999 (or 9.13 million) ONE were withdrawn from the account.
• The withdrawals began approximately 27 minutes after a 24-hour security/withdrawal lock expired.
• Six withdrawals occurred within roughly 13 minutes.
• No new login activity appeared in the account's history during the withdrawal period.
• MEXC did not disclose the terms of the settlement.
• The attacker's API key was not visible to the user because the linked email had been changed to the attacker's at the time it was created.

Where the reports disagree

1Date and time the attacker's API key was created, and when the account takeover began

The initial unauthorized account reset began early on September 25 when Shuang Fei received an email stating that an application had been made to change the account's linked email and remove Google Authenticator… At 05:05:42, an API was created, according to the user's account.

crypto.news 2026-09-28 10:55

the wallet had previously been hacked on September 24, which MEXC detected, froze and partially reversed… What the exchange did not revoke was an API key the attacker created at 21:05:42 on that same day, just 83 seconds after their second login into the compromised account.

Crypto Economy 2026-09-28 23:52

What would settle it: MEXC's internal security logs or the account's API key creation record disclosed by the exchange.

What to make of it

Treat the amount stolen, the settlement, and the 24-hour withdrawal lock timeline as established across both reports; the exact date and time the attacker's API key was created remains unresolved and should not be cited as settled until MEXC or the user publishes the underlying account/API logs.

Treat the amount stolen, the settlement, and the 24-hour withdrawal lock timeline as established across both reports; the exact date and time the attacker's API key was created remains unresolved and should not be cited as settled until MEXC or the user publishes the underlying account/API logs.

Originally reported by AltcoinGordon, written by Grace Mitchell. Republished with permission.

View the original on AltcoinGordon →

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