Nonce

usgb/nɑːns/
noun

A kind of key that is designed to be random and used only once.

To ensure secure communication, the system created a nonce for the server.
Visual representation of "nonce" - A kind of key that is designed to be random and used only once.

Often appears as...

  • security nonce
  • cryptographic nonce

Usage tips

Formal

Technical

Definition 1 of 4
Visual representation of "nonce"
LampPro Tip 1/3

Single Use

In computing, 'nonce' refers to a unique number used once to prevent unauthorized access.

Illustration for Single Use
The API request requires a nonce to proceed.
LampPro Tip 2/3

Security Tool

Nonces are crucial for encryption, adding a layer of security in digital transactions.

Illustration for Security Tool
Her transaction was secured with a nonce to prevent duplication.
LampPro Tip 3/3

Unique Identifier

A nonce must not be predictable to serve its purpose in security protocols.

Illustration for Unique Identifier
Each login attempt generates a new nonce for verification.
Visual representation of the word "Nonce"

Never forget "Nonce"

Humans forget easily. That's why you should download WordUp: Smart reminders, word games, AI practice, and much more!

Download on the App StoreGet it on Google PlayGet it from MicrosoftGet it on AppGallery
Chrome

WordUp Chrome Extension

As you browse the web instantly look up words you don’t know.

Get Chrome Extension