May 2024 - DMM Bitcoin Wallet Emptied - $308.949m (Global)
"At around 13:26, we detected an outflow of Bitcoin （BTC) from our wallet.
Details of the damage situation will continue to be under investigation, but what is known at this stage is as follows. In addition, although we have already taken measures against fraudulent spills, we have implemented restrictions on the use of some services as much as possible to ensure additional safety."
"We would like to inform you separately regarding the resumption of service.
We deeply apologize for any inconvenience and concern to our customers in this event."
"The root cause of the attack has yet to be revealed, whether it is an address spoofing incident, private key compromise or even an inside job, remains to be seen."
"While on-chain sleuths have cracked some historic hacks, this trail of tainted coins spread across multiple addresses could prove a byzantine blockchain maze."
Further Analysis
DMM Bitcoin is a large Japanese exchange platform, with colourful marketing depicting the bitcoin being lovingly held by a Japanese supermodel. Unfortunately, such security does not appear to have been very effective in preventing the bitcoin from getting stolen. Recovery is still underway.
How Could This Have Been Prevented?
More Cryptocurrency Exchange Hacks/Scams/Frauds
Evolve Bank and Trust Massive Data Breach > > < < MetaDragon NFT Ownership Check Commented
Sources/Further Reading
@whale_alert Twitter (Dec 31)
Whale Alert | Transaction Details (Dec 31)
【重要】暗号資産の不正流出発生に関するご報告（第一報） - DMMビットコイン（2024/05/31） (Dec 31)
Arkham (Dec 31)
【DMMビットコイン】暗号資産（仮想通貨）ならDMM Bitcoin (Dec 31)
Rekt - DMM Bitcoin - Rekt (Dec 31)
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