Electronic signature, or e-signature, is any electronic means of capturing a signature or confirmation electronically. Electronic signature capture is a powerful tool for chargeback defense. At the point of sale, the customer is asked to sign the receipt, invoice or charge slip using a digital device that turns the signature into a data set which can reproduce the signature reliably. A card swipe when combined with an electronic signature at the point of sale provided strong assurance that the customer and card were physically present at the time an authorization was obtained for the purchase of goods and/or services. In many countries, including the United States, the European Union and Australia, electronic signatures have the same legal consequences as the more traditional forms of executing of documents.

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