Electrum Wallet Attack Masks Bitcoin Theft Behind Transaction Fee Increases
Key Highlights: Electrum has released version 4.8.3 to patch a severe transaction substitution vulnerability that allowed malicious servers to trick users into signing away funds. Attackers exploited Replace-By-Fee (RBF) workflows using vanity addresses matching the final four characters of legitimate destinations to obscure fraudulent transactions. Following private vulnerability reports on October 11 and October 18—the ...