SG11201910056PA - Retrieving values of digital tickets using smart contracts in blockchain networks - Google Patents

Abstract

306 Distnbuting Node j-310 Smart Contracts 304 Deploying Server Digital Tickets 312 FIG. 3 M M O ON O C (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 27 June 2019 (27.06.2019) WIPO I PCT 11111111111110111111111111111101111101011101111111111111111111111101111111011110111111 (10) International Publication Number WO 2019/120331 A2 (51) International Patent Classification: Not classified (21) International Application Number: PCT/CN2019/082541 (22) International Filing Date: 12 April 2019 (12.04.2019) (25) Filing Language: English (26) Publication Language: English (71) Applicant: ALIBABA GROUP HOLDING LIMITED [—/CN]; Fourth Floor, One Capital Place, P.O. Box 847, George Town, Grand Cayman (KY). (72) Inventors: FENG, Zhiyuan; Alibaba Group Legal Depart- ment 5/F, Building 3, No. 969 West Wen Yi Road, Yu Hang District, Hangzhou, Zhejiang 311121 (CN). LI, Yanpeng; Alibaba Group Legal Department 5/F, Building 3, No. 969 West Wen Yi Road, Yu Hang District, Hangzhou, Zhejiang 311121 (CN). CHENG, Long; Alibaba Group Legal De- partment 5/F, Building 3, No. 969 West Wen Yi Road, Yu Hang District, Hangzhou, Zhejiang 311121 (CN). (74) Agent: BEIJING BESTIPR INTELLECTUAL PROP- ERTY LAW CORPORATION; Room 409, Tower B, Ka With Building, No. 9 Shangdi 3rd Street, Haidian District, Beijing 100085 (CN). (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, (54) Title: RETRIEVING VALUES OF DIGITAL TICKETS USING SMART CONTRACTS IN BLOCKCHAIN NETWORKS (57) : Disclosed herein are methods, systems, and apparatus, including computer programs encoded on computer storage media, for retrieval of values of digital tickets. One of the methods includes receiving a request from a client device for a current value of a digital ticket by a distributing node. The request includes the digital ticket and one or more value changing rules for determining the current value of the digital ticket. The distributing node retrieves a smart contract from a blockchain network in response to the request from the client device. The smart contract includes the one or more value changing rules for determining the current value of the digital ticket. The distributing node determines the current value of the digital ticket based on an original value of the digital ticket and the one or more value changing rules by executing the smart contract, and associates the current value with the digital ticket. [Continued on next page] WO 2019/120331 x2111111I 011111 H 111111 O1111111101111101011101111111111111111II IIIII 0111111111111111111111 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. (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: upon request of the applicant, before the expiration of the time limit referred to in Article 21(2)(a) without international search report and to be republished upon receipt of that report (Rule 48.2(g))