World Liberty Financial, the cryptocurrency venture co-founded by US President Donald Trump and his sons, has filed a defamation lawsuit against crypto billionaire Justin Sun in Miami-Dade County Court.
The company alleges Sun orchestrated a coordinated "public smear campaign" on social media to damage its reputation, marking a dramatic escalation in a dispute that has seen WLFI tokens lose approximately 81% of their value over the past year.
The lawsuit, filed in the Eleventh Judicial Circuit Court for Miami-Dade County, Florida, seeks unspecified damages and a public retraction of Sun's statements. WLFI tokens currently trade at around 6 cents, reflecting significant investor losses since the platform's 2024 launch.
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A High-Profile Conflict
The legal action pits a venture backed by one of America's most recognizable political families against Justin Sun, founder of the Tron blockchain platform (established 2017) with an estimated net worth of nearly $12 billion according to the Bloomberg Billionaires Index. World Liberty Financial was founded in 2024 by Donald Trump Jr., Eric Trump, and entrepreneurs Zachary Folkman and Chase Herro.
According to the lawsuit, Sun's social media posts were viewed millions of times and generated widespread media coverage, amplifying damage to World Liberty's market position. The company characterizes Sun's statements as knowingly false rather than legitimate criticism.
Competing Legal Claims
The defamation suit follows Sun's own fraud lawsuit filed against World Liberty Financial in April 2026, in which he claimed he was illegally blocked from selling digital tokens worth up to $1 billion. Sun alleged the company violated terms of his token-sale agreement by preventing him from liquidating his holdings.
World Liberty Financial counters with serious allegations of its own, claiming Sun engaged in sophisticated market manipulation tactics including:
- Straw purchases using third parties to conceal his identity while acquiring tokens
- Betting against the company's WLFI tokens
- Making false public statements to drive down token value
The company froze tokens owned by one of Sun's companies to "protect World Liberty and the broader community of WLFI holders," according to court documents.
Market and Regulatory Implications
The 81% decline in WLFI token value reflects broader market concerns about the platform's viability and governance. The allegations of straw purchases and token manipulation could attract scrutiny from securities regulators concerned about market integrity and investor protection.
The dispute demonstrates increasing application of traditional legal frameworks to cryptocurrency conflicts. The involvement of prominent political figures and a well-known crypto entrepreneur may heighten regulatory attention to the case.
For the broader cryptocurrency industry, the conflict highlights vulnerabilities in ventures lacking robust governance structures and clear investor protections. The public nature of the dispute, amplified through social media, demonstrates how reputational conflicts can significantly impact token valuations and market perception.
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