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Verifiable Random Function

Definition ∞ A Verifiable Random Function (VRF) is a cryptographic primitive that generates a pseudorandom output along with a proof that the output was correctly computed. This proof can be publicly verified without revealing the secret input used to generate the randomness. VRFs provide a reliable source of verifiable randomness, which is essential for fair and unpredictable outcomes in decentralized systems. They ensure transparency and resistance to manipulation.
Context ∞ Verifiable Random Functions are frequently discussed in technical cryptocurrency news, particularly concerning blockchain protocols requiring provably fair randomness. They are used in proof-of-stake consensus mechanisms, decentralized gaming, and non-fungible token (NFT) generation to ensure unbiased selection or outcomes. Chainlink’s VRF is a notable example, providing secure randomness to smart contracts. Understanding VRFs is crucial for comprehending the security and fairness of many decentralized applications.

A crystalline structure, faceted like a gem, is suspended within a white, segmented ring, all set against a backdrop of intricate blue circuitry. This visual metaphor represents the convergence of advanced cryptography and distributed ledger technology. The gem symbolizes a quantum-resistant cryptographic key or a secure data enclave, while the circuitry signifies the complex blockchain network or decentralized finance DeFi infrastructure it protects. The segmented ring suggests a secure access protocol or a validation mechanism, hinting at advanced consensus algorithms and zero-knowledge proofs.

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Post-Quantum Threshold VRF Secures Decentralized Randomness Generation

Funder introduces a post-quantum threshold VRF compiler, securing decentralized randomness beacons against quantum threats and ensuring bias-resistant PoS leader election.