Compromised private keys, rather than flawed smart contracts, account for roughly 40% of the $16 billion stolen across crypto's history, according to industry analysis. The figure highlights a persistent weakness in how users and institutions store and manage the cryptographic credentials that control digital assets. Wish Wu, co-founder and CEO of blockchain platform Pharos, said the industry is increasingly working to address this vulnerability, though progress remains uneven across projects and providers. Solutions under development include multi-party computation, hardware-based key storage, and improved custody practices designed to reduce single points of failure. While smart contract exploits often dominate headlines, the data suggests that securing private keys is equally critical to reducing losses. The findings underscore ongoing concerns about operational security in a sector where stolen keys can grant attackers irreversible access to funds, prompting renewed focus on safeguarding access infrastructure.
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