Blockchain Analysis

A hacker group is demanding $3 million worth of monero from Revolut within 24 hours, threatening to sell stolen customer data to other criminal groups. At least 680 customer accounts were reportedly affected, with exposed records said to include identity documents and transaction histories.

A Coldcard firmware vulnerability tied to weak software-based randomness has been linked to three waves of bitcoin sweeps across thousands of addresses. The latest activity is targeting smaller balances and using more complex onchain collection patterns.