Products FM Marketplace
Multi-dealer marketplace
FM Liquidity Match
Saas for electronic trading
FM White Label
B2B White Label Crypto Trading Platform
FM Pulse
Real-time market data analytics
FM Space
Counterparty selection
Clients Banks & brokers
Neobanks, crypto-native and FX brokers
Payment providers
PSPs, payment gateways, on/off ramp
OTC desks
Crypto trading desks, retail platforms
Buy-side
Passive funds, hedge funds, asset managers
Liquidity providers
Market makers, proprietary shops
Prime brokers
Agency and risk-principle brokers
Stablecoin issuers
Next gen of fintech
Company About Careers Blog Media kit Referral Legal Imprint Operating rules Privacy Policy Risk Disclosure Support Contact us

For Customers Log in

Contact Us

Symmetric key cryptography Meaning

Symmetric key cryptography is a form of encryption in which the same secret key is used for both encrypting and decrypting data. It is one of the oldest and most widely used cryptographic techniques, forming the foundation of many modern security systems. Well-known symmetric algorithms include AES (Advanced Encryption Standard), DES, and ChaCha20.

The primary advantage of symmetric cryptography is efficiency. Symmetric algorithms are computationally fast and require less processing power than asymmetric methods, making them well suited for encrypting large volumes of data. As a result, symmetric encryption is commonly used for securing data at rest, encrypting communication sessions, and protecting database contents.

The main challenge of symmetric cryptography lies in key management. Because both parties must share the same secret key, the key must be securely generated, distributed, stored, and protected from unauthorized access. If the key is compromised, all encrypted data becomes vulnerable.

This limitation is why symmetric encryption is often combined with asymmetric cryptography, which is used to securely exchange symmetric keys over untrusted networks. In blockchain and crypto systems, symmetric cryptography is frequently used alongside hashing and public-key cryptography.

For example, symmetric encryption may protect wallet data locally, while asymmetric keys secure ownership and authorization. In secure communications protocols like TLS, symmetric encryption is used for data transfer after an initial key exchange.

Despite its simplicity, symmetric cryptography remains a critical component of modern security infrastructure. Its speed and reliability make it indispensable for performance-sensitive applications, provided that key management practices are robust and well designed.

← Back to Glossary

Explore our services

Providing liquidity in the cryptocurrency market?
Authorize on our platform and do it smarter with FM Pulse.

FM Marketplace

A reliable and high-performance crypto liquidity marketplace for institutions and businesses.

Learn more

FM White Label

Launch your fully branded B2B crypto trading platform in under one week.

Learn more

FM Liquidity Match

Crypto OTC-as-a-Service infrastructure for enhanced monetization and trade control.

Learn more

Scale your business, leave the hard work of your trading needs to us

Reduce your integration costs and operational risk across multiple access points with our platform

Get started

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.