Thirty users. Fifteen arbitration demands. One St. Louis attorney named Paul Lesko who calls himself a hobby-industry litigator. And a single question that could reshape how trading cards are sold online.
Is a card break gambling?
The arbitration filings against Whatnot, first reported by The Athletic, allege that the live selling platform operates as an "unregulated online casino" that violates California's ban on illegal lotteries and federal racketeering laws. The plaintiffs are seeking restitution, punitive damages, spending limits, and consumer warnings. They want the randomized box breaks and repacks declared unlawful.
Whatnot says the claims are unfounded. The platform generated $8 billion in sales in 2025, doubled from $3 billion the year before, sold 76 million sports cards, added 20 million new accounts, and just raised its valuation to $11.5 billion. Break sellers, the company says, represent 4% of its merchants.
Four percent of an $8 billion platform is still $320 million.
What the Filings Actually Say
The complaints allege that Whatnot's randomized box breaks violate California Penal Code 319.3. That statute is specific. It defines a "sports trading card grab bag" as a lottery when someone pays for a sealed package containing cards removed from the manufacturer's original packaging, with the understanding that the purchaser has a chance to win a designated prize.
Three elements. Prize. Chance. Consideration. The California statute doesn't require interpretation. It specifically names sports trading card grab bags. The arbitration filings argue that Whatnot's breaks check all three boxes.
The complaints go further. They allege RICO violations. Claims that the platform enables fraud by breakers. Accusations of shill bidding, where fake bids inflate prices. And allegations that some sellers leak the location of high-value cards to favored buyers through private messages before a stream even starts.
One filing describes sellers who claim mystery bags have a "$500 ceiling" and a "$50 floor" and sell spots for $75. The ceiling prize, the complaint alleges, often doesn't exist. Or it's won by a burner account tied to the seller.
Whatnot's Defense
Whatnot responded through a statement: "We absolutely reject the characterization in this complaint. Gambling isn't allowed on Whatnot, and we strictly enforce this policy. Whatnot is a commerce platform built to support small businesses, connecting them with buyers who purchase products they love. Card Breaks are a long-standing format in collecting. At card shops, conventions, and in communities that have thrived for generations."
The company added that "sellers face real consequences when they break our rules." It pointed out that break sellers make up only 4% of its merchants.
That last point is interesting. Whatnot has already escalated its vetting process for break sellers. Sellers are now classified as manufacturers. They must submit applications, detail their operations, provide checklists for every repack series, and appear on an Identified Product List. Random mystery box audits are now standard.
If breaks are just card breaks and nothing more, that's a lot of compliance infrastructure for a format the company says is totally fine.
The Industry Is Watching
Upper Deck president Jason Masherah said it last summer in an interview with The Athletic: "It is 100 percent pure gambling the way it's being done right now, and something bad is going to happen at some point." He went further in October, writing that trading cards have become part of a "new gambling economy" alongside sports betting, predictive markets, and crypto. People, he said, are "looking for that dopamine hit."
Something bad just happened.
Paul Lesko, the attorney behind the filings, said his clients approached him at the 2025 National Sports Collectors Convention. In an interview with cllct, he laid out the case: "It's gambling." He said his clients signed up to buy cards but "quickly found out that that's not what it is." They got hooked. They stopped caring about the cards. They ended up "in debt, living on their credit cards" in what Lesko described as "an endless cycle that keeps repeating." The addiction led to problems with relationships, jobs, and finances.
That behavioral pattern. The compulsive spending. The chase. The inability to stop. Those are the same words used in gambling addiction research. And they're the same words the New York Attorney General used when she sued Valve on February 25 for operating loot boxes as illegal gambling in Counter-Strike 2, Team Fortress 2, and Dota 2.
The Valve Parallel
The timing is not a coincidence. AG Letitia James filed against Valve alleging that loot boxes are "quintessential gambling." The complaint describes an animated spinning wheel that resembles a slot machine. Items have no in-game function but can be resold for real money. One sold for over $1 million.
Valve responded by comparing its loot boxes to baseball card packs and Pokemon packs. The AG's office countered that Valve's integrated marketplace, where items can be continuously resold with real price discovery, is what makes it gambling. Not the randomness alone. The randomness plus the economic value plus the marketplace.
That same framework maps directly onto Whatnot. Randomized breaks. Real economic value in the cards. An integrated marketplace where those cards are immediately resold. If the Valve case establishes that marketplace integration changes the legal calculus, Whatnot's model faces the same scrutiny.
What $975 Million in Funding Means Here
Whatnot has raised $975 million across eight rounds. Seed from Y Combinator in 2020. Series A from Andreessen Horowitz. Series F from Sequoia Capital in October 2025 at an $11.5 billion valuation. DST Global. Greycroft. CapitalG.
The investor list reads like a who's-who of Silicon Valley. These firms backed a live commerce platform that built its core user base on card breaks. If the legal theory in these arbitrations holds, the business model those firms valued at $11.5 billion has a structural legal problem.
Not a PR problem. Not a compliance problem. A "the core product might be illegal in California" problem.
What Happens Next
Fifteen arbitrations are filed through JAMS, per Whatnot's own Terms of Service that require individual arbitration. Lesko says he has fifteen more clients ready to file. A judge is set to rule Tuesday on whether the arbitration demands can proceed.
The arbitrations are being filed in California, where Whatnot is headquartered. California Penal Code 319.3 is one of the most specific grab bag lottery statutes in the country. It literally uses the words "sports trading card grab bag."
This isn't a novel legal theory being tested against a vague statute. This is a specific law being applied to the specific thing it was written about.
Whatnot can argue that card breaks are a tradition. They can point to card shops and conventions. They can say their policies prohibit gambling. But the arbitration filings are not attacking whether Whatnot's policies permit gambling. They're attacking whether the format itself. The randomized break. The chance to win. The payment to participate. Is a lottery by definition under California law.
If it is, the policies are irrelevant. The format is the problem.
The collectibles industry just got its first real legal test of whether live selling platforms are commerce or casinos. The answer affects every breaker, every platform, and every collector who has ever bought a spot in a break.
Whatnot says it's commerce. Thirty users and their attorney say it's gambling. California Penal Code 319.3 was written for exactly this question.
