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Cardano wallet software flaw leads to potential $20M+ losses in SecondFi breach

Market News
24 Jun 2026
Crypto news
View Source
Bearish
Cardano wallet software flaw leads to potential $20M+ losses in SecondFi breach

SecondFi, a Cardano ecosystem wallet project, identified a security breach linked to its native Cardano web wallet generation software, causing an estimated loss of around 16 million ADA. Security firm SlowMist suggests the actual losses could exceed $20 million, involving over 129 million ADA and other tokens, due to compromised mnemonic phrases or private keys. SecondFi has paused affected services and is conducting an independent review while working on damage containment. This incident raises concerns about wallet generation security and adds pressure on Cardano as ADA prices near multi-year lows.

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