Definition ∞ Proxy architecture describes a system design where an intermediary component acts on behalf of another. In blockchain or software contexts, a proxy contract or server forwards requests and responses, enabling upgrades, access control, or privacy preservation. This layer separates the external interface from the underlying implementation, offering flexibility and security benefits. It permits modifications to core logic without altering external addresses or breaking existing integrations.
Context ∞ Proxy architecture is frequently discussed in the context of upgradable smart contracts on blockchain platforms. News reports often cover protocol upgrades that utilize proxy patterns to introduce new features or fix vulnerabilities without requiring users to migrate their assets to new contract addresses. This design choice is critical for the long-term maintainability and adaptability of decentralized applications, influencing the stability and trust in DeFi and Web3 ecosystems.
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