The Division of Justice (DOJ) on Wednesday introduced the largest-ever seizure of cryptocurrency funds linked to so-called pig-butchering scams.

The U.S. lawyer’s workplace filed a civil forfeiture grievance within the District Courtroom for the District of Columbia to grab greater than $225.3 million in cryptocurrency that federal prosecutors say was a part of a classy blockchain-based cash laundering community meant to hide the supply of funds obtained by unlawful scams.

In keeping with the forfeiture grievance, the FBI and Secret Service used blockchain evaluation and “other investigative techniques” to find out that the funds had been related to the criminal activity.

“This seizure of $225.3 million in funds linked to cryptocurrency investment scams marks the largest cryptocurrency seizure in U.S. Secret Service history,” Shawn Bradstreet, particular agent in command of the Secret Service’s San Francisco workplace, stated in a press release.

“These scams prey on trust, often resulting in extreme financial hardship for the victims. The U.S. Secret Service, FBI, and our private partners worked diligently to trace these illicit transactions, identify victims and seize these funds so that they can eventually be returned to their rightful owners,” Bradstreet continued.

A lot of the unlawful funds on the community had been obtained by cryptocurrency confidence schemes, generally often known as “pig butchering,” which, in line with the grievance, “refers to a scam in which the victim is ‘fattened up prior to slaughter.’”

These scams work by creating relationships, together with these romantic in nature, whereby “perpetrators gain trust or confidence from victims to deceive them into parting with their money.”

The scams work in a number of phrases: First the perpetrator “cold contacts” the sufferer, then establishes a relationship with them and ultimately convinces them to ship funds. The perpetrator then cuts off contact as quickly because the sufferer grows suspicious.

The DOJ said that there are greater than 400 suspected victims worldwide, together with dozens of U.S. residents who’ve confirmed losses by the scams.

“Today’s civil forfeiture complaint is the latest action taken by the Department to protect the American public from fraudsters specializing in cryptocurrency-based scams, and it will not be the last,” Matthew Galeotti, head of the DOJ’s felony division, stated in a press release.