This article was previously published on Venable’s All About Advertising Law blog.

class action lawsuit filed against Kim Kardashian, Floyd Mayweather, and former professional basketball player Paul Pierce earlier this month underscores the need for celebrity endorsers to take care when they approach any endorsement activity in the cryptocurrency space.

The lawsuit alleges that the celebrities collaborated with Ethereum Max, a company offering ERC-20 cryptocurrency tokens (EMAX Tokens), and its executives to engage in a “pump-and-dump” scheme promoting investments in the company’s tokens. The complaint alleges that the three celebrity influencers misleadingly promoted EMAX Tokens to potential investors, touting the ability of investors to make significant returns due to the favorable “tokenomics” of the EMAX Tokens, when in fact the tokens were practically worthless. The class action alleges violations of California’s Unfair Competition Law, California’s Consumers Legal Remedies Act, aiding and abetting, and unjust enrichment/restitution.Continue Reading “Are You Guys Into Crypto???”: Celebrities Promoting Cryptocurrencies Become Class Action Targets