Definition ∞ Quantum Proof-of-Work refers to a hypothetical consensus mechanism that would require solving computational problems specifically designed to be difficult for classical computers but potentially easier for quantum computers. This concept explores how blockchain security might adapt in an era of advanced quantum computing capabilities. It aims to ensure the integrity of a decentralized ledger against quantum-enabled attacks. This is a theoretical construct currently under research.
Context ∞ The discussion around Quantum Proof-of-Work is primarily speculative, addressing the long-term threat of quantum computing to existing cryptographic primitives. A key concern involves whether such a mechanism could truly be “quantum-resistant” or if it would merely shift the computational advantage. Research in this area is closely tied to the broader field of post-quantum cryptography and its application to blockchain security.
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