n. An encryption system or other secure technology that enables a person to "sign" a document electronically.

Example Citation:
"E-signatures aren't new — some companies have used them for years to save costs by improving internal workflow processes. But the e-Sign Act, which goes into effect Oct. 1, promises to make the use of E-signatures more widespread because of all the potential applications in E-commerce."
—George V. Hulme, "E-Signatures Spread To E-Commerce," InformationWeek, July 3, 2000

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