Signature Phishing Up 200% As January Losses Pass $6M

In brief

• Signature phishing victims jumped more than 200% in January, with $6.27 million stolen, blockchain security firm Scam Sniffer warned.
• Despite the spike, total phishing losses in 2025 were sharply lower than in 2024.
• Cheaper Ethereum fees after the Fusaka upgrade have made phishing tactics like mass address poisoning attacks more attractive for scammers, researchers said.