Kraken temporarily restricted customer accounts after nearly 12,000 small unsolicited cryptocurrency transfers reached Kraken-linked addresses between August 17 and 24 from a wallet Arkham Intelligence tied to sanctioned exchange HTX, then restored access while holding the disputed funds separately. Most amounts were only cents to a few dollars; Kraken called the activity a dust attack meant to spread U.K.- and EU-sanctioned funds across platforms, a pattern also described as compliance poisoning. Arkham’s label rests on proof-of-reserves address matches and does not prove HTX directed the payments, and Kraken said it could not identify the initiator. HTX denied involvement and is investigating misattribution or third-party malice. U.K. designation of Huobi Global S.A. dated May 26 and EU restrictions effective August 23 raised scrutiny around the transfer window, while similar tiny deposits reportedly reached Coinbase, Binance and other venues.