Definition ∞ Bitcoin timestamping is the process of recording the exact time a transaction or data block is added to the Bitcoin blockchain. This mechanism uses cryptographic proof to ensure the chronological order and immutability of records. Each new block references the previous one, creating an unchangeable chain of events. This system provides a verifiable and tamper-proof record of existence for any data embedded within a transaction.
Context ∞ Bitcoin timestamping is fundamental to the integrity of the Bitcoin network and is often discussed in news concerning data verification or digital provenance. Its significance extends to applications beyond currency, such as securing intellectual property or legal documents. Debates sometimes involve the efficiency and scalability of this timestamping method compared to other blockchain protocols. This core feature supports the network’s transparency and resistance to alteration.
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