The correct answer to the following question will be "Checksum".
Explanation:
A variable that reflects the amount of several bits in a transmitted packet and is used by practitioners of IT to spot heavy-level anomalies in the transmission of data, known as Checksum.
After executing a cryptographic hashing algorithm each piece of information or a document could be allocated a value of checksum before delivery.
We are relevant because we are using them to verify the authenticity of the documents.