this post was submitted on 01 Jul 2026
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uh
Nonce is used extensively in the context of cryptography to mean "used exactly one time". Usually this refers to a random number that a server shares with a client to establish secure communications.
Excuse me if this a stupid question (I'm not a native English speaker), but isn't that what "once" means?
The difference is small and pedantic:
"Once" means "A single time"
"Nonce" means "Used a single time"
Nonce carries extra information that something is being used.
Wikipedia claims this term dates to middle English:
OK, thanks for the explanation. So basically "nonce = used once"
thanks, interesting :)
That's what it's supposed to mean? Because that is not the context I've ever seen it used in.
Yeah I thought a nonce was a dumbass.
yeah that's the only meaning I see it used with in the UK