Advances in Cryptology — EUROCRYPT ’89

Volume 434 of the series Lecture Notes in Computer Science pp 288-293


Online Cash Checks

  • David ChaumAffiliated withCentre for Mathematics and Computer Science


Savings of roughly an order of magnitude in space, storage, and bandwidth over previously published online electronic cash protocols are achieved by the techniques introduced here. In addition, these techniques can increase convenience, make more efficient use of funds, and improve privacy.