Patent SG-11202000267W-A (SG)
Title: Method and system for transaction processing with complete cryptographic auditability
Inventor: DAVIS STEVEN
IPC: G06Q20/02
Filed: 2018-05-31
Abstract: 102 (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) HIE Oil HIV lo mum I tom Kumla oimIE (19) World Intellectual Property Organization International Bureau (10) International Publication Number WO 2019/022845 Al (43) International Publication Date 31 January 2019 (31.01.2019) WIPO I PCT (72) Inventor: DAVIS, Steven, Charles; 128 Glenallen Drive, Saint Peters, MO 63376 (US). (74) Agent: DOBBYN, Colm, J.; Mastercard International In- corporated, 2000 Purchase Street, Purchase, NY 10577 (US). (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (51) International Patent Classification: G06Q 20/02 (2012.01) G06Q 20/38 (2012.01) (21) International Application Number: PCT/US2018/035318 (22) International Filing Date: 31 May 2018 (31.05.2018) English English (25) Filing Language: (26) Publication Language: (30) Priority Data: 15/658,573 25 July 2017 (25.07.2017) US (71) Applicant: MASTERCARD INTERNATIONAL IN- CORPORATED [US/US]; 2000 Purchase Street, Pur- chase, NY 10577 (US). (54) Title: METHOD AND SYSTEM FOR TRANSACTION PROCESSING WITH COMPLETE CRYPTOGRAPHIC AU- DITABILITY 100 Blockchain -'/ 114 Network 110 Receiving Computing System Moderating Computing System —.108 Sending Computing System 106 Purchasing Entity Supplying Entity FIG. 1 (57) : A method for processing of a cryptographically auditable transaction includes: receiving payment data, wherein the payment data includes at least a primary account number; transmitting the primary account number to a computing system; receiving a confirmation associated with the primary account number from the computing system; transmitting a payment request to the computing system, wherein the payment request includes at least a reference value associated with a payment transaction; receiving an acceptance request from the computing system, wherein the acceptance request includes at least the reference value, an acceptance address, one or more fee values, and a first digital signature generated by a third party; generating a second digital signature using at least the acceptance address; and transmitting at least the second digital signature to the computing system. [Continued on next page] WO 2019/022845 Al IMEDIMOM0101011M0M0101011010HOHMOHROMOVOIMIE (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). Published: — with international search report (Art. 21(3))