+A **hash value** (or message digest) is a fixed-size string, a unique digital fingerprint generated by a [Hash Function](/wiki/Hash_Function) from any given data. It concisely represents the original information, crucial for data integrity checks and efficient [Data Indexing](/wiki/Data_Indexing) in computing.
+## See also
+- [Data Integrity](/wiki/Data_Integrity)
+- [Cryptography](/wiki/Cryptography)
+- [Data Structure](/wiki/Data_Structure)
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