Bitcoin, Ethereum, Dogecoin All Drop in Nearly $200B Market Sell-Off

The total market cap for cryptocurrencies has lost roughly $200 billion in the past 24 hours. Bitcoin is down nearly 10%, with the number two cryptocurrency, Ethereum, posting a 10.9% loss, at press time. 

Dogecoin, the Internet’s favorite meme coin, suffered the most of the three, tumbling by nearly 12%. 

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As with any crash in crypto, the reasons are myriad. 

The strongest bearish force was, however, speculation that the Department of Justice (DoJ) and the Federal Bureau of Investigation (FBI) had “hacked” a Bitcoin wallet during their investigation of the Colonial Pipeline ransomware attack. 

Last month, the U.S.-based fuel pipeline system halted operations after its billing system was compromised. This led to widespread fuel shortages in the Southeastern United States. Later reports revealed that Colonial paid the ransom of 75 Bitcoin (at that time worth $4.4 million) to decrypt their operations. 

US Recovers Bitcoin Paid to Colonial Pipeline Hackers

Federal authorities have recovered some of the Bitcoin paid by Colonial Pipeline to resolve a ransomware attack that shut down the East Coast oil pipeline for nearly a week in early May. Colonial paid $4.4 million in Bitcoin to take back control of its systems. According to a warrant filed in the US District Court in the Northern District of California and a subsequent announcement by the Department of Justice, the government this morning has seized 63.7 BTC  ($2.3 million) taken in the attack....

Yesterday, the DoJ and FBI announced that they had recouped $2.3 million of that sum. Investigators followed associated Bitcoin addresses, eventually seizing one of them. 

Some were quick to assume that the seizure of the address indicated that authorities had cracked the Bitcoin wallet in question. Instead, it appears more likely that authorities connected the address with a specific identity or a U.S.-based crypto service or custodian. 

The resulting confusion led to a dramatic drop in price. And due to the high correlation between cryptocurrencies and Bitcoin, the rest of the market has fallen in tandem. 

The use of quantum computing is widely believed to be the only mechanism through which to attack a blockchain-based network like Bitcoin. “Presently, about 25% of the Bitcoins in circulation are vulnerable to a quantum attack,” Deloitte wrote in a report.

Editor's note: This article has been updated to reflect that the market dropped nearly $200 billion, not $2 billion.