California native Evan Tangeman has been sentenced to 70 months in federal prison for his role in a multi-state, high-profile cryptocurrency theft and money laundering ring. According to the U.S. Department of Justice, Tangeman was a key figure in a criminal network responsible for stealing and laundering nearly $263 million worth of digital assets.
The network’s structure and tactics
Court documents reveal that this organized group expanded through friendships built on online gaming platforms. Its members spanned several states, including California, Connecticut, Florida, and New York, as well as overseas locations. The syndicate was structured with specialized roles: database hackers, organizers, target scouts, impersonators posing as exchange or Google support staff, and individuals tasked with physically obtaining victims’ hardware wallets.
Going by aliases such as “E,” “Tate,” and “Evan|Exchanger,” Tangeman admitted to laundering at least $3.5 million of stolen cryptocurrency into cash. He also acknowledged using fake identities so the group could rent luxury homes for their operations.
U.S. Attorney Jeanine Ferris Pirro described the group’s activities as a scheme “driven by greed and executed with almost cartoonish audacity.” She emphasized that the stolen cryptocurrency funded extravagant expenses, from nightclub bills to luxury cars and expensive watches. Pirro also pointed to Tangeman instructing associates to destroy evidence after some suspects were apprehended as evidence of his awareness of guilt.
The massive bitcoin heist
The group’s most notable theft took place in August 2024 in Washington, D.C., when they stole more than 4,100 Bitcoin from a single individual. At the time, this haul was worth about $230 million; with current prices, its value exceeds $321 million. Blockchain researcher ZachXBT publicly identified suspects including Malone Lam and Jeandiel Serrano, leading federal authorities to quickly arrest and prosecute those involved.
The group’s real-world extravagance also drew attention. Searches of Tangeman’s residence uncovered a 2022 Rolls-Royce Ghost and a Porsche GT3 RS. The indictment further alleges that Lam purchased a Lamborghini Urus registered under Tangeman’s name. Some members reportedly rented mansions in Los Angeles, the Hamptons, and Miami, paying monthly rents between $40,000 and $80,000.
Investigation widens
Following Tangeman’s confession, three new suspects were added to the case: Nicholas Dellecave, Mustafa Ibrahim, and Danish Zulfiqar. The extensive investigation is ongoing, led jointly by the FBI’s Washington Field Office and IRS Criminal Investigation teams.
In addition to his prison sentence, Tangeman received three years of supervised release. The Justice Department remains closely engaged with the case, stressing that organized digital asset crimes like this—reminiscent of the Thodex scandal—may have international connections.
These developments underscore the significant cybersecurity and safety risks facing the cryptocurrency market. The targeting of hardware wallets in particular highlights the urgent need for investors to exercise vigilance.




