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External Owned Account

Definition ∞ An External Owned Account, often abbreviated as EOA, is a type of account on a blockchain controlled by a private key. It is used to send transactions, hold cryptocurrency, and interact with smart contracts. Unlike smart contract accounts, EOAs do not contain any executable code themselves.
Context ∞ The security of EOAs remains a critical concern, as the compromise of a private key directly leads to irreversible asset loss. Discussions frequently center on best practices for private key management and secure storage solutions. Future developments include the widespread adoption of account abstraction and multi-party computation to enhance EOA security and user experience.

A close-up view reveals a frosted, translucent, irregularly shaped object adorned with numerous water droplets, symbolizing blockchain transparency and data integrity. Behind this cryptographic primitive, blurred deep blue and lighter blue forms suggest intricate protocol architecture and underlying digital asset flows. A smooth, dark grey, curved metallic element on the left signifies robust hardware wallet security or institutional custody solutions. The droplets emphasize network resilience and transaction finality, reflecting a secure distributed ledger technology DLT environment. This visual metaphor highlights the immutability inherent in Web3 infrastructure.

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Goldfinch User Wallet Drained via Legacy Contract Share Price Manipulation

A legacy contract approval flaw was weaponized by an attacker to manipulate share price and drain $330K, underscoring systemic risk in stale permissions.