Amirhamzeh Tafreschi, O.O.Amirhamzeh TafreschiSchneider, M.M.SchneiderFankhauser, P.P.FankhauserMahleko, B.B.MahlekoTesch, T.T.Tesch2022-03-102022-03-102003https://publica.fraunhofer.de/handle/publica/343944enauctiondigital signatureprotocolsE-Commerce005004From call for tenders to sealed-bid auction for mediated eCommerceconference paper