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small purchases over the Internet. We were inspired to work on this problem by DEC's"
Millicent" scheme . Surveys of some electronic payment schemes can be found in
Hallam-Baker , Schneier , and Wayner . Our main goal is to minimize the number
of public-key operations required per payment, using hash operations instead whenever
possible. As a rough guide, hash functions are about 100 times faster than RSA signature Cited by 916 Related articles All 28 versions HelpPrivacyTerms