Immunefi CEO Mitchell Amador highlights that the majority of crypto security breaches in 2025 were due to human operational errors rather than on-chain vulnerabilities. As blockchain security hardens, human factors like password mishandling and private key exposure are now the main attack vectors. Chainalysis reports $17 billion lost to scams in 2025, with impersonation scams surging 1400% and AI-driven scams being significantly more profitable.