Definition ∞ Verifiable Time refers to the ability within a decentralized system to cryptographically prove that a specific duration has passed or that an event occurred at a particular point in time, without relying on a centralized authority. This concept is crucial for ensuring the integrity and ordering of events across a distributed network. It provides an objective and unalterable measure of temporal progression. This is foundational for secure protocol execution.
Context ∞ Verifiable time is a key component in discussions about censorship resistance, fair transaction ordering, and the security of various blockchain consensus mechanisms. News reports on novel cryptographic designs or improvements to existing protocols often highlight how they achieve or leverage verifiable time. Its implementation helps prevent manipulation of event sequences, thereby bolstering the trustworthiness of digital ledgers.
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