Crypto exchange Kraken clients were reportedly locked out of their accounts after receiving tiny amounts of sanctioned digital coins. 

In a statement to Bitcoin Magazine, Kraken said the coins were transferred in what is known as a “dust attack” — when small quantities of cryptocurrency is sent to numerous wallet addresses to track and de-anonymize them.

Kraken said the aim of the transactions was to trigger compliance checks by spreading sanctioned funds onto other platforms. Bloomberg first reported the news. 

“We don’t know who is behind these attacks, but they likely expect that if sanctioned funds land in a client account, it triggers a full account lock, causing…

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