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Timestamping (computing)

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In computing, timestamping refers to the use of an electronic timestamp to provide a temporal order among a set of events.

Timestamping techniques are used in a variety of computing fields, from network management and computer security to concurrency control.[1][2] For instance, a heartbeat network uses timestamping to monitor the nodes on a high availability computer cluster.[3]

Timestamping computer files (updating the timestamp in the per-file metadata every time a file is modified) makes it possible to use efficient build automation tools.


Blockchain Technology Timestamping Blockchain technology has emerged as a revolutionary approach to timestamping that addresses several challenges associated with traditional timestamping methods. Timestamping is the process of recording the date and time when a specific event or transaction occurs, ensuring its immutability and establishing a chronological order of events. In the context of blockchain, timestamping plays a crucial role in ensuring the integrity and transparency of data on the distributed ledger.


How Blockchain Timestamping Works: Blockchain timestamping involves embedding data into a block on a decentralized and distributed network of computers, known as a blockchain. Each block contains a unique cryptographic hash that represents the data stored within it and a reference to the previous block's hash, creating a chain of blocks. This linkage between blocks ensures that any modification to the data in a previous block would alter its hash, making it evident that the chain has been tampered with.

The timestamp itself is derived from the block creation time, which is a consensus-agreed timestamp recorded by the network of participating nodes. Since blockchains are maintained by a network of computers rather than a single centralized authority, it becomes extremely difficult for malicious actors to manipulate the timestamp or the data within the block without the consensus of the majority.

See also

References

  1. ^ Advances in Computer Science and Information Technology by Tai-hoon Kim, Hojjat Adeli 2010 ISBN 3642135765 page 183
  2. ^ Computer aided verification: 13th International conference, by Gérard Berry, Hubert Comon, A. Finkel 2001 ISBN 3540423451 page 423
  3. ^ Theoretical Aspects of Distributed Computing in Sensor Networks by Sotiris Nikoletseas and José D.P. Rolim 2011 ISBN 3642148484 page 304
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