Kraken said some customers were temporarily locked out of their accounts after tiny amounts of cryptocurrency were sent to them from a wallet linked to sanctioned rival HTX, according to Bloomberg Technology. Bloomberg described the episode as a “dust attack,” a term used in the report’s framing for very small crypto transfers that can trigger scrutiny when they touch accounts at a regulated exchange. The provided reporting does not specify how many Kraken customers were affected, which assets were transferred, or how long the lockouts lasted. The core issue is compliance friction. If an exchange detects funds tied to a sanctioned-linked wallet, even in tiny amounts, it may have to decide quickly whether to restrict account access while it reviews the activity. Bloomberg’s report frames the Kraken incident as an example of how hard it can be to police crypto flows when users can receive assets they did not request. The account lockouts were temporary, according to Bloomberg’s summary. Kraken’s broader response, any customer remediation, and whether the exchange changed its controls are not detailed in the provided material. Who benefits: The provided reporting does not establish a clear beneficiary. At most, it underscores the value of reliable compliance operations for exchanges handling crypto flows. Who's exposed: Customers can be exposed to temporary account restrictions if flagged transfers reach their accounts. Exchanges are exposed to the operational burden of screening and responding to sanctioned-linked activity.