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Abstract

A form of paper checks, and the apparatus and method to handle them, allows deposit from home or office. The apparatus can be implemented with a Personal Computer (PC) having a secure cryptography generator (SCG) installed. The process of depositing paper checks begins by the payee endorsing a check having printed thereon encryptions in at least selected locations where information is written by a payer. The act of writing by the payee obscuring some of the encryptions. The payee then scans the endorsed check with a scanner to generate a digitized version of the check. The computer extracts from the digitized version of the check a concatenated branch number, account number and check number and a corresponding digital signature. The payee then transmits the extracted information together with the digitized version of the check for deposit. The checks a specially designed to prevent fraud such alteration of the payee, amount and multiple deposits. In addition to the encryptions imprinted on the check, a secret key and a plurality of digital signatures are generated based on the concatenated branch number, account number and check number.

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First Claim