Definition ∞ Wallet signature theft occurs when malicious actors illicitly obtain a user’s digital signature, enabling them to authorize transactions from a cryptocurrency wallet without the owner’s direct knowledge or consent. This compromise bypasses the need for private key access directly, as the signature itself grants transactional authority. It represents a severe breach of digital asset security.
Context ∞ Wallet signature theft is a critical security concern in the cryptocurrency ecosystem, often reported in news when discussing sophisticated hacks targeting digital asset holders. This type of theft can result from malware, compromised web interfaces, or deceptive approval requests within decentralized applications. Users must exercise extreme caution with signing requests and maintain robust security protocols for their digital wallets.
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