When Sanctions Taint the Water, Everyone Thinks They're a Whale 🐋

Blockchain researchers say the United Kingdom's sanctions against crypto exchange HTX have created unintended consequences across the industry's compliance systems, with one investigator warning that "risk itself has become meaningless" when tracing onchain exposure. The criticism comes more than a month after UK authorities on May 26 added Huobi Global S.A., the Panamanian company behind HTX, to their sanctions list over alleged support for Russia-linked financial networks.

Galaxy Digital's head of research, Alex Thorn, said in an X post that the UK sanctioning "all of HTX" was "problematic" because the exchange serves many legitimate users. Thorn also highlighted what he described as a significant divergence among stablecoin issuers in deciding when to freeze tokens. Blockchain investigator Taylor Monahan argued in a separate X post that the move undermined years of work to encourage decentralized finance (DeFi) protocols to screen and block stolen funds, noting that most HTX users are legitimate. Blockchain researcher ZachXBT called the sanctions "a bit of an overreach," writing that address tainting tied to HTX has been "catastrophic." "Basically now I've had to ignore the sanctions category when tracing cases by exposure since 'risk' itself has become meaningless," ZachXBT said.

UK authorities said there were reasonable grounds to suspect HTX had supported Russia's government through financial services and funds facilitated by A7 Limited Liability Company and Garantex, both sanctioned entities. HTX has denied the allegations, stating that the sanctioned entity is separate from the online exchange. A Global Ledger report, however, found that HTX processed about $21.06 billion in high-risk crypto flows between 2021 and May 2026, with at least $7.64 billion linked to Russian high-risk entities and darknet markets including Garantex, its successor Grinex, A7A5 and Hydra.

The fallout extended into DeFi. Trump-linked project World Liberty Financial froze HTX-linked addresses following what it described as sanctions compliance reviews, prompting HTX to delist World Liberty Financial's USD1 stablecoin and suspend several trading pairs. The UK regulator has also taken High Court action against HTX over crypto promotions, while the exchange maintains that the sanctions target a distinct legal entity.