digital signature

noun

, Digital Technology.

1. an encrypted digital code appended to an electronic document to verify that it was created by a known source and has not been altered.

digital signature

noun

1. computing electronic proof of a person's identity involving the use of encryption; used to authenticate documents

Word History and Origins

Origin of digital signature¹

First recorded in 1975–80

Example Sentences

The first issue of 10,000 NFTs featuring Brady carrying his digital signature and priced at up to $100 each instantly sold out, DraftKings announced.

From Los Angeles Times

Kipf then completed a State of Hawaii Death Certificate Worksheet, assigned himself as the medical certifier for the case and certified his death, using the digital signature of the doctor.

From BBC

Instead, the application included only a typed note and copy of a digital signature, rather than an official document.

From Los Angeles Times

Now, another potential defense is gaining traction: digital watermarking, or the insertion of an indelible, covert digital signature into every piece of AI-produced content so the source is traceable.

From Scientific American

Some researchers are working on “watermarking”—creating an imperceptible digital signature in the AI’s output.

From Science Magazine