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web3glossarycryptographic hash
Cryptographic Hash

Summary

A cryptographic hash is a mathematical algorithm that transforms data into a fixed-size string of bytes, typically in a way that it is infeasible to reverse engineer the original data.

Detailed Description

Cryptographic hashes are used in various security applications and protocols, including TLS and SSL, cryptocurrencies, and data integrity verification. They serve as essential components in digital signatures, password hashing, and blockchain technology, ensuring data integrity and authenticity. The output, known as the hash value, is unique for different inputs and can protect against data tampering.

Category
Security
Synonyms
Secure Hash Function
Hash Functions
Digest Function

Impact Details

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Password Storage

Storing hashed passwords to secure user accounts, ensuring that even if the database is compromised, raw passwords are not exposed.

Industries:

Finance
Healthcare
E-commerce

Platforms:

Web Servers
Mobile Applications
Blockchain Integrity

Verifying the integrity of data stored on the blockchain without revealing the original data via hashes in each block.

Industries:

Cryptocurrency
Supply Chain

Platforms:

Cryptocurrency Networks
Smart Contract Platforms
Digital Signatures

Using hashes within digital signatures to ensure the authenticity and integrity of documents and communications.

Industries:

Legal
Finance

Platforms:

Document Management Systems
Email Protocols

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