Crypto Mixer Co-Founder Gets Four Years in Money-Laundering Case

Nov. 19, 2025, 10:59 PM UTC

One of the rare cryptocurrency prosecutions under the Trump administration led to a four-year prison term for a bitcoin wallet operator accused of helping launder more than $200 million from illegal dark web transactions.

William Lonergan Hill, who co-founded the crypto mixing service Samourai Wallet, was sentenced Wednesday by US District Judge Denise Cote in Manhattan.

The sentence is one year less than the maximum five-year prison term for the crime of conspiring to operate an unlicensed money transmitting business. Hill, 67, pleaded guilty to the charge in July as part of a deal with federal prosecutors.

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