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Court Opens Door for Crypto Users to Sue Binance Over Stolen Funds

Reported by Beincrypto
Aug 20, 2026· 3 min read
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Key Takeaways
  • • Eleventh Circuit Court of Appeals issued a rare writ of mandamus on Wednesday, directing a Florida district court to vacate an arbitration order and allow crypto theft victims to proceed with class action lawsuits against Binance in US courts.
  • • Eight theft victims who never signed Binance's Terms of Use successfully challenged the exchange's attempt to force their claims into arbitration, establishing that non-signers cannot be bound by arbitration clauses based on equitable estoppel doctrine when claims rest on duties imposed by law rather than contract terms.
  • • The plaintiffs allege Binance Holdings, BAM Trading Services (Binance.US operator), and founder Changpeng Zhao operated an unlicensed money transfer business, violated the Bank Secrecy Act, and facilitated cryptocurrency laundering through their platform—claims brought under the RICO Act, conversion statutes, and California and Massachusetts consumer protection laws.
  • • The procedural victory is significant because federal law bars direct appeals of arbitration orders, making mandamus the victims' only available remedy after two years of litigation; the court also cited evidence that arbitrating abroad would impose unreasonable costs and result in forfeiture of claims.
  • • This ruling expands litigation risk for major cryptocurrency exchanges by establishing that theft victims harmed through platform misuse can pursue claims in federal court without consent to the exchange's terms, setting precedent for similar class actions in the crypto sector.
Summary
The Eleventh Circuit Court of Appeals has cleared a substantial legal hurdle for cryptocurrency theft victims seeking to hold Binance accountable in US courts. On Wednesday, the three-judge panel issued a writ of mandamus—a rarely granted extraordinary remedy—directing the Southern District of Florida to vacate an earlier order compelling arbitration. This decision allows eight theft victims to proceed with proposed class action lawsuits against Binance Holdings, BAM Trading Services (which operates Binance.US), and founder Changpeng Zhao, despite none of them ever holding Binance accounts or accepting the exchange's Terms of Use.

The plaintiffs' claims center on serious allegations: that criminals drained their cryptocurrency wallets and then laundered the proceeds through Binance's platform. The complaints invoke multiple legal frameworks, including the Racketeer Influenced and Corrupt Organizations (RICO) Act, conversion statutes, and consumer protection laws from California and Massachusetts. Additionally, the victims contend that Binance operated an unlicensed money transfer business and disregarded the Bank Secrecy Act, which requires financial institutions to detect and report suspicious transactions.

The lower court had initially dismissed the non-signers' objections to arbitration by applying the equitable estoppel doctrine, a legal principle that can bind non-parties to arbitration clauses when they benefit from the underlying agreement. However, the appellate panel rejected this reasoning, finding it misapplied to these circumstances. According to the court's order, the victims' claims rest on duties imposed by law—such as Bank Secrecy Act compliance and anti-money-laundering obligations—rather than on contractual duties arising from Binance's terms. This distinction proved critical to the decision.

The procedural path to this remedy underscores the stakes involved. Federal law generally prohibits direct appeals of orders compelling arbitration, leaving non-signers in an extremely constrained position once a trial court makes such a determination. Mandamus, an extraordinary writ reserved for cases involving clear judicial error, became the victims' only viable exit after two years of forum disputes. The appellate panel also emphasized practical concerns: arbitrating claims abroad would impose unreasonable costs on the plaintiffs and likely result in forfeiture of their claims entirely. This ruling now allows the claims to proceed in federal court, exposing Binance to substantial class action liability and establishing precedent for similar litigation against major cryptocurrency platforms.

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Sources

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AlphaMaven summarised this story from the reporting below. Each link opens the original article.

Beincrypto Court Opens Door for Crypto Users to Sue Binance Over Stolen Funds