Samourai Wallet — Cyber Attacks, Breaches & Threat Activity

Overview

Samourai Wallet is a privacy-focused Bitcoin wallet known for integrating a CoinJoin-based mixer (Whirlpool) to enhance transaction anonymity. In late 2025, its founders were jailed and subsequently sentenced in the United States for a roughly $237 million crypto money-laundering scheme, underscoring enforcement risk and scrutiny targeting privacy-centric wallets and mixers in the crypto space.

Related Threat Clusters

• Europol Dismantles Cryptomixer, Seizing $30M in Bitcoin

  Europol, in collaboration with Swiss and German law enforcement, has dismantled the illegal cryptocurrency mixing service Cryptomixer, which laundered over $1.4 billion since 2016. The operation, conducted between…

  19 articles · Updated December 1, 2025
• Founders of Samourai Wallet Sentenced for Laundering $237 Million

  Keonne Rodriguez and William Lonergan Hill, founders of the Samourai Wallet cryptocurrency mixing service, have been sentenced for laundering over $237 million. Rodriguez received a five-year prison term on November 6,…

  4 articles · Updated November 20, 2025
• Founders of Samourai Wallet Sentenced for $237 Million Crypto Laundering

  The co-founders of Samourai Wallet, Keonne Rodriguez and William Lonergan Hill, were sentenced for laundering over $237 million through their cryptocurrency mixing service. The U.S. Justice Department stated that the…

  4 articles · Updated November 21, 2025

Recent Intelligence Reports

• European police dismantle cryptocurrency mixer that laundered $1.5 billion for ransomware gangs, other criminals — Cybersecuritydive · December 1, 2025
• U.S. Sentences Samourai Wallet Founders for $237M Crypto Money Laundering Scheme — Thecyberexpress · November 21, 2025
• Samourai Wallet Founders Jailed for $237M Crypto Laundering — Gbhackers · November 20, 2025
• Crypto mixer founders sent to prison for laundering over $237 million — Bleepingcomputer · November 20, 2025

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