Computational timestamping involves recording the exact time an event or data item occurred or was created, verifiable through cryptographic means. This process often uses hash functions and distributed ledgers to create an immutable record of temporal order. It establishes an undeniable proof of existence for digital information at a specific point in time. Such timestamps prevent retroactive alteration and ensure data integrity.
Context
Computational timestamping is a foundational element for many blockchain applications, particularly in proving data integrity and intellectual property ownership. News reports may highlight its use in supply chain verification, legal documentation, or digital art provenance. The precision and tamper-resistance offered by this technique are critical for building trust in decentralized data systems.
Researchers halved Verifiable Delay Function verification gas costs, making cryptographically secure, unbiasable randomness practical for resource-constrained smart contracts.
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