BLOCKCHAIN DATA CERTIFICATION (only for private blockchain nodo)

"Fingerprints" of the data

To certify, Intercer must calculate a cryptographic hash, or "fingerprint", specific for each file (on a blockchain cryptography platform).

This hash is an algorithm that produces the same result when the input file is exactly the same, which is useful for verifying its authenticity.

Any change to the input file, however minimal, creates a radically different fingerprint.

The hashing algorithm has been designed to work in only one direction, so it is impossible to determine the original entered file from the resulting hash code, which
protects the process against manipulation.

Data anchoring in blockchain

We can consider blockchain as an accounting book that only allows adding data (append only), with an order of transactions distributed in many entities, each of which
keep an identical copy of the ledger. Each entry in the ledger is date / time, immutable and independently verifiable.

A hash of the complete structure containing the file's fingerprints is stored in the blockchain. Anyone with access to the blockchain can independently confirm the authenticity of those files.

How would it be certified and why is it important?

Certification adds a further level of confidence in the authenticity of personal and business data.

In the future, you might want to make sure that a previously stored or backed-up file remains unchanged.

You may also have (or have someone introduce you) a file that you need to validate to confirm that it is authentic and has not been modified since the backup.
Blockchain Certification

A Blockchain Certification is a validation agreed by the nodes (thanks to their digital signatures) that the information provided, once verified, will be ensured in its immutability and integrity.

Being a decentralized system, Blockchain is made up of all the nodes through which the information navigates. That is what makes it a system capable of providing security and truthfulness to information.

What is sought is that in front of a third party, the content of a blockchain chain can be ensured, in terms of:

- Information content
- Information traceability
- Information security and its integrity.
- Digital evidence of authorship, possession and integrity of the version and interaction history of any digital format compared to a classic digital signature: key to the secure digital transformation of companies.

Thanks to this solution, there is absolute traceability of the sensitive information that leaves the perimeter of the company and day-to-day problems such as information leaks or breaches of confidentiality clauses can be dealt with much more efficiently
Certification, inspection and auditing solutions focused on business optimization.
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