Mariya Prusakova, commonly known as Masha Prusakova or Masha Prusso (and using aliases like Mary Prusakova, Mary Prusso, or Mariya Prusakova), is a Russian-born entrepreneur, investor, and former professional athlete. Born on December 25, 1989, in Moscow, she competed as a snowboarder in the women's halfpipe event at the 2006 Winter Olympics in Turin, Italy, representing Russia.

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After retiring from sports, she transitioned into law and finance, earning degrees from Sorbonne University in Paris and UC Berkeley School of Law. She qualified as an attorney in France and worked in wealth management roles at UBS and HSBC Private Banks in Switzerland and Monaco before entering the blockchain and crypto industry around 2017.

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Links to Jeffrey EpsteinPrusakova's name appears in court-released documents from the Jeffrey Epstein case, including emails that suggest both personal and professional interactions with Epstein spanning several years. Key details from the files include:

2012 Personal Correspondence: An email chain from January 2012 shows Prusakova (using the name Mary Prusakova) communicating with Epstein about a visit to his residence. In one message, she expresses enthusiasm about seeing him and makes a explicit joke about learning a "Jeffery blowjob" from him. She also mentions bringing a childhood friend from Moscow named Miranda and Miranda's boyfriend, described as part of the "gilded youth" (a term for affluent young Russians). Epstein responds by noting he has guests but suggests alternatives. u/Coinspiracy21e8 This exchange has been interpreted in recent discussions as indicating a personal, possibly intimate, relationship. u/Coinspiracy21e8

2019 Business Correspondence: Later emails from May 2019 involve Prusakova coordinating a call between Epstein and someone named Lorenzo regarding Medici Bank and her company, Crypto PR Lab. The discussion appears business-oriented, with references to setting up meetings and following up on professional matters. u/Coinspiracy21e8 Medici Bank may refer to a fintech or crypto-related venture, though details in the files are limited.

These documents were part of the broader Epstein files unsealed by the U.S. Department of Justice, which have sparked recent online scrutiny of Prusakova's involvement.
Some X users have alleged she was involved in "sending girls" or acting as a "honeypot," though these claims appear speculative and based on interpretations of the emails rather than explicit evidence.
Prusakova is not accused of any crimes in the released files, and her interactions seem to align with Epstein's pattern of networking with professionals in finance and tech.Links to PolygonPrusakova has significant professional ties to Polygon (formerly Matic Network), a prominent Ethereum scaling and blockchain infrastructure platform in the crypto space. From 2021 to 2022, she served as Head of Public Relations and later Head of Events at Polygon.

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During her tenure, she grew the events team from one person (herself) to eight and organized high-profile events, including those at the World Economic Forum in Davos.