OFAC’s Tornado Cash Ban Causes Github Suspensions and the Blacklisting of Crypto Addresses Holding $437M

On August 8, the ethereum mixing service Tornado Cash, and all the crypto addresses associated with the platform, were officially banned by the U.S. Treasury Department’s Office of Foreign Asset Control (OFAC). Following the ban, the internet hosting service for software…

US Treasury’s OFAC Adds 3 ETH Addresses Linked to North Korean Cybercrime Group to SDN List

The Office of Foreign Asset Control (OFAC) has added three ethereum addresses to its Specially Designated Nationals And Blocked Persons List (SDN). OFAC alleges the ether addresses are controlled by the Lazarus Group, a cybercrime group that is associated with North…

FBI Issues Alert Concerning Malicious State-Sponsored North Korean Hackers Targeting Crypto Firms

On April 18, the Federal Bureau of Investigation (FBI), the U.S. Treasury Department, and the Cybersecurity and Infrastructure Security Agency (CISA) published a Cybersecurity Advisory (CSA) report concerning malicious North Korean state-sponsored cryptocurrency activity. According to the U.S. government, law enforcement…

ETH Mixer Tornado Cash Reveals Blocking OFAC Sanctioned Ethereum Addresses via Chainalysis Oracle Contract

According to the project’s official Twitter account, Tornado Cash, the ethereum mixing service that allows participants to shuffle ether, is blocking flagged ethereum addresses listed on the Office of Foreign Assets Control’s (OFAC) Specially Designated Nationals And Blocked Persons list (SDN)….

De-Mixing Wasabi Coinjoin Transactions: A Deep Dive Into Chainalysis’ Deanonymizing Claims

On Tuesday, journalist Laura Shin published a story that claims to identify the 2016 Genesis DAO hacker who siphoned 3.6 million ethereum from the decentralized autonomous organization. While the story surprised the crypto community, one of the biggest eye-openers was the…

Auditing Firms Claim Crypto.com Lost $15 Million in Incident as Users Report Suspicious Activity

Crypto.com, a leading cryptocurrency exchange, experienced an incident on January 17 when some of its users reported strange activity in their accounts. The exchange acknowledged the event, and conducted an investigation immediately after, declaring that all funds were safe. However, reports…

Crypto Mixing Tools Tornado.cash and Cashfusion Obscure More Than $8 Billion in Transactions

While blockchain monitoring has increased a great deal during the last few years, cryptocurrency mixers have seen significant use from those who don’t want their financial transactions tracked. Meanwhile, two mixing applications, Tornado.cash and Cashfusion, have helped crypto owners make their…