SG11201907245VA - Accelerating transaction deliveries in blockchain networks using transaction resending - Google Patents

Abstract

MN O ON O C () INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 18 April 2019 (18.04.2019) WIPO I PCT 1111111111111101111111111111111011111010011111111111111111111111111111111111011110111111 (10) International Publication Number WO 2019/072306 A2 Node_Z 312 (51) International Patent Classification: Not classified (21) International Application Number: PCT/CN2018/124894 (22) International Filing Date: 28 December 2018 (28.12.2018) (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) Inventor: XIA, Ning; Alibaba Group Legal Department 5/ F, Building 3, No.969 West Wen Yi Road, Yuhang District, Hangzhou, Zhejiang 311121 (CN). (74) Agent: BEIJING BESTIPR INTELLECTUAL PROP- ERTY LAW CORPORATION; Room 409, Tower B, Ka Wah 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, 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, 1E, 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). (54) Title: ACCELERATING TRANSACTION DELIVERIES IN BLOCKCHAIN NETWORKS USING TRANSACTION RESENDING 320 , Node_A Node_B 2Q2 24 Y 314 316 FIG. 3B (57) : In a blockchain transaction acceleration system, receive a first transaction sent through a first node in a blockchain. At least one second transaction that is a duplicate of the first transaction is received in the blockchain transaction acceleration system, where the at least one second transaction sent by the first node to at least one second node in the blockchain is different from the first node. The blockchain transaction acceleration system executes a first-received transaction among received transactions that include the first transaction and the at least one second transaction. Upon determining, by the blockchain transaction acceleration system, that remaining transactions of the received transactions are identical to the first-received transaction, discarding the remaining transactions. [Continued on next page] WO 2019/072306 A2 I VIII I 01E110 11101 VIII 1010 001 IIIEMOMMIIIHREMIE 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))