Authorities in Spain have arrested a group of individuals involved in a significant cryptocurrency fraud scheme that allegedly defrauded investors of nearly €3 million. The operation involved fake investments in cryptocurrency and misled investors about the profitability and legitimacy of the scheme. Law enforcement continues to investigate the extent of the fraud and the individuals involved.

The SEC has charged Unicoin and its top executives with securities fraud, alleging they raised over $100 million through a token that was falsely claimed to be backed by real estate. The complaint states that Unicoin inflated property values and overstated its sales, while the company's CEO has rejected the SEC's allegations and criticized the regulator's practices against crypto companies.

Argentinian President Javier Milei failed to attend a civil hearing related to the controversial Libra cryptocurrency, as a judge ordered the unsealing of his and his sister's bank records. Milei faces potential impeachment and fraud charges following his endorsement of the Libra token, which subsequently collapsed in value, leading to significant financial losses for investors.

Alex Mashinsky, the founder of Celsius Network, has been sentenced to 12 years in prison for orchestrating a $7 billion fraud scheme that misled investors about the company's financial stability. Mashinsky's actions contributed significantly to the collapse of the crypto lending platform, which left many customers with substantial losses.

Zhimin Qian, also known as the "Bitcoin Queen," was convicted for her role in a fraudulent Bitcoin scheme that defrauded over 128,000 investors in China, resulting in the world's largest cryptocurrency seizure valued at £5.5 billion. The Metropolitan Police seized 61,000 Bitcoin during their investigation, making it the largest single cryptocurrency seizure in history. Qian attempted to launder the funds in the UK after fleeing China, leading to a multi-year investigation with international cooperation.

The article discusses allegations of fraud surrounding Tether, a prominent stablecoin, highlighting concerns over its reserves and transparency. Various sources and experts weigh in on the potential implications for the cryptocurrency market and regulatory scrutiny that Tether may face.