Patent AU-2019204731-A1 (AU)
Title: Product promotion using smart contracts in blockchain networks
Inventor: CHENG LONG
IPC: G06Q20/00
Filed: 2019-04-08
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) 
(19) World Intellectual Property 
(1) Organization11111111111111111111111I111111111111li1111iiiiii 
International Bureau (10) International Publication Number 
(43) International Publication Date W O 2019/120330 A2 
27 June 2019 (27.06.2019) W IPO I PCT 
(51) International Patent Classification: Wal Building, No. 9 Shangdi 3rd Street, Haidian District, 
Not classified Beijing 100085 (CN).  
(21) International Application Number: (81) Designated States (unless otherwise indicated, for every 
PCT/CN2019/081719 kind ofnational protection available): AE, AG, AL, AM, 
(22)InternationalFilingDate: AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, 
08 April 2019 (08.04.2019) 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, 
(25) Filing Language: English 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, 
(26)PublicationLanguage: English MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, 
(71) Applicant: ALIBABA GROUP HOLDING LIMITED OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, 
[-/CN]; Fourth Floor, One Capital Place, P.O. Box 847, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, 
George Town, Grand Cayman (KY). TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW.  
(72) Inventors: FENG, Zhiyuan; Alibaba Group Legal Depart- (84) Designated States (unless otherwise indicated, for every 
ment 5/F, Building 3, No. 969 West Wen Yi Road, Yu Hang kind of regional protection available): ARIPO (BW, GH, 
District, Hangzhou, Zhejiang 311121 (CN). LI, Yanpeng; GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, 
Alibaba Group Legal Department 5/F, Building 3, No. 969 UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, 
West Wen Yi Road, Yu Hang District, Hangzhou, Zhejiang TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, 
311121 (CN). CHENG, Long; Alibaba Group Legal De- EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, 
partment 5/F, Building 3, No. 969 West Wen Yi Road, Yu MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, 
Hang District, Hangzhou, Zhejiang 311121 (CN). TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, 
KM, ML, MR, NE, SN, TD, TG).  
(74) Agent: BEIJING BESTIPR INTELLECTUAL PROP
ERTY LAW CORPORATION; Room 409, Tower B, Ka 
(54) Title: PRODUCT PROMOTION USING SMART CONTRACTS IN BLOCKCHAIN NETWORKS 
(57) Abstract: Disclosed herein are methods, systems, and apparatus, includ
300 ing computer programs encoded on computer storage media, for product pro
302 304 306 motion using a smart contract in a blockchain network. The method includes: 
eFcn Bais/ receiving, by a node of a blockchain network, a creation request to create a 
promotion event, wherein: the promotion event is associated with multiple 
310 promotion codes and a pair of a private key and a public key, and the creation 
320 request includes the public key and a digital signature generated using the pri
vate key; determining, by the node and based on the public key and the digital 
signature, validity of the creation request; and in response to determining that 
the creation request is valid, registering, by the node, the promotion event in 
the blockchain network using a smart contract without storing the multiple 
340 promotion codes in the blockchain network.  
- 350 
360l 
FIG. 3 
CA9
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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))