April 2026: The Worst Hacking Month in DeFi History – 25 Protocols Affected in the Past 30 Days, Totaling Approximately $624 Million (Approximately 100 Billion Yen) | BitTrade Market Report

April saw an unprecedented hacking attack on the DeFi sector.

According to compiled news data, 25 DeFi protocols were hacked in the past 30 days, with total losses reaching approximately $624 million (approximately 100 billion yen). This is the largest monthly loss so far in 2026 and the worst single-month attack in recent years.

The DeFi market has seen a rapid expansion of Total Value Locked (TVL) in recent years, giving rise to various innovative protocols, but it has also attracted attention as a target for attacks. This large-scale and concentrated attack highlights the risks associated with the growth of DeFi.