Crypto Attacks Shift Focus from Smart Contracts to Private Key Breaches

In the past decade (2016–2026), the cryptocurrency sector has experienced cumulative losses of $17.1 billion, involving 518 incidents. According to Odaily, over the past five years (2021–2026), losses amounted to approximately $15.2 billion across more than 450 incidents. In the last year alone (April 2025–April 2026), the sector saw losses of around $2.5 billion from over 140 incidents. Recent data indicates a shift in crypto attacks from exploiting smart contract vulnerabilities to targeting private key leaks and access control issues.