The first quarter of 2026 saw crypto hackers siphon $168.6 million from 34 DeFi protocols, marking a sharp decline from $1.58 billion in losses during Q1 2025, largely driven by Bybit's $1.4 billion breach. Notable Q1 2026 incidents included a $40 million private-key compromise at Step Finance in January, a $26.4 million ether drain from Truebit due to smart contract manipulation, and a March 21 private-key attack targeting stablecoin issuer Resolv Labs. North Korea-linked actors remain a persistent threat, with attacks including the high-profile Drift Protocol incident involving a private-key leak that led to an estimated $285 million in losses. Security experts describe the current threat landscape as a broad mix ranging from highly coordinated groups targeting core infrastructure to opportunistic hackers scanning for smart contract weaknesses. Despite the quarterly decline in losses, experts warn that 2026 could see more credential theft, social engineering, and AI-assisted exploits increasingly targeting human behavior rather than just technology. The industry faces a critical test of whether security teams can keep pace with rapid innovation and increasing attack surfaces.