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Salt Meaning

In cryptography, a Salt is a random piece of data that is added to an input (like a password) before it is passed through a hash function. The purpose of salting is to defend against Pre-computed Attacks, such as Rainbow Tables, where an attacker uses a massive database of already-hashed common passwords to instantly reverse a stolen database of user credentials.Without a salt, two users with the same password (Password123) would have the exact same hash in the database, making them an easy target.

With a unique salt for every user, the hash becomes: Hash(Password+RandomSalt). Even if both users have the same password, their hashes will be completely different.

This forces an attacker to perform a Brute Force attack for every individual user, which is thousands of times more computationally expensive and time-consuming.For fintech developers, salting is a non-negotiable standard for Credential Storage. When you create an account on a crypto exchange, your password isn't stored; only the salted hash is.

Beyond passwords, salts are also used in Hash-based Commitments in smart contracts. For example, in a Commit-Reveal voting scheme, a user might salt their vote so that no one can guess what they voted for by looking at the hash on the blockchain before the final reveal phase.

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Important Disclaimer:

Finery Markets BVI Limited (“Finery Markets”) provides software, technology infrastructure, and related Information and Communication Technology (ICT) services on a Software-as-a-Service (“SaaS”) basis. Finery Markets acts solely as a software vendor and does not operate a trading platform, does not intermediate, match, execute, clear, or settle transactions, and does not engage in any activities that would require regulatory authorisation under applicable laws.

Finery Markets’ software is non-custodial and is provided exclusively to licensed institutional entities that act as independent operators of their own environments. All counterparties are solely responsible for establishing and maintaining their own bilateral trading and settlement relationships. Finery Markets is not a party to any such arrangements and assumes no responsibility for the conduct, verification, or compliance obligations of any users of the software.

Nothing on this website shall be construed as a financial promotion, investment advice, or an offer to engage in regulated activities. Access to and use of the software is strictly limited to clients who have entered into a software licensing agreement with Finery Markets. Persons located in jurisdictions where such access is restricted should not rely on this website or any of its contents.

Additional notice to UK visitors: This website and associated communications are not intended to constitute a financial promotion under The Financial Services and Markets Act 2000 (Financial Promotion) Order 2005 (as amended) and related guidance. Access to services provided by Finery Markets is limited to regulated entities, professional clients and eligible counterparties as set out by the Financial Conduct Authority. UK users are not permitted to use this website for the services of Finery Markets if they don't fall within these categories.