World Liberty Financial, the Trump family’s cryptocurrency company, is suing billionaire investor Justin Sun for defamation after he accused the firm of improperly freezing his tokens.

In a lawsuit filed Monday, the company argued that Sun engaged in a “campaign of defamatory statements” on the social platform X.

“Sun’s posts impugn World Liberty, a Florida-based decentralized finance company, and its governance integrity and business relationships, causing substantial and ongoing harm to World Liberty,” the lawsuit reads.

Sun, who founded the crypto company TRON, was a major early investor in World Liberty Financial. He purchased about 3 billion tokens from World Liberty Financial in…