Minima disclosed a security incident where its Web Wallet hosting environment was compromised in May 2026, resulting in private key theft and unauthorized fund withdrawals for users who logged in between March 20 and May 8. The Minima blockchain itself was not affected. The incident was publicly documented in the company's Q3 update under a 'Challenges and Lessons' section with transparent explanation of what happened, who was affected, remediation steps taken, and infrastructure changes implemented.