Patent SG-11201903496P-A (SG)
Title: Cross-chain interactions using a domain name scheme in blockchain systems
Inventor: QIU HONGLIN
Filed: 2018-11-16
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) --,, (19) World Intellectual Property MTh 0 111111 11 111 11111 0 11 110 1 0 111 11111 11 11 0 11 11 111 11 111 00 11110 111 0 11 1111 Organization International Bureau (10) International Publication Number (43) International Publication Date ....0\"- WO 2019/072273 A2 18 April 2019 (18.04.2019) WIP0 I PCT (51) International Patent Classification: HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, (21) Not classified 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, International Application Number: OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, PCT/CN2018/115926 SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, (22) International Filing Date: TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. 16 November 2018 (16.11.2018) (84) Designated States (unless otherwise indicated, for every (25) Filing Language: English kind of regional protection available): ARIPO (BW, GH, (26) Publication Language: English GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, (71) Applicant: ALIBABA GROUP HOLDING LIMITED TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, [—/CN]; Fourth Floor, One Capital Place, P.O. Box 847, EE, ES, FI, FR, GB, GR, HR, HU, 1E, IS, IT, LT, LU, LV, George Town, Grand Cayman (KY). 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, (72) Inventor: QIU, Honglin; Alibaba Group Legal Department KM ML, MR, NE, SN, TD, TG). 5/F, Building 3, No. 969 West Wen Yi Road, Yuhang Dis- trict, Hangzhou, Zhejiang 311121 (CN). Published: (74) Agent: BEIJING BESTIPR INTELLECTUAL PROP- — upon request of the applicant, before the expiration of the ERTY LAW CORPORATION; Room 409, Tower B, Ka time limit referred to in Article 21(2)(a) Wah Building, No. 9 Shangdi 3rd Street, Haidian District, — without international search report and to be republished Beijing 100085 (CN). upon receipt of that report (Rule 48.2(g)) = (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, = = (54) Title: CROSS-CHAIN INTERACTIONS USING A DOMAIN NAME SCHEME IN BLOCKCHAIN SYSTEMS (57) : Implementations of the present disclosure include iden- tifying, by a relay that is communicatively linked with a first blockchain - blockchain domain name of a second, different blockelurin Obtain, by a client node of a first blockchain instance, a instance and a second blockchain instance in a unified blockchain net- = ._.., 51° \"----, instance, the blockehain domain name is a unique identifier of the second blockchain instance in a unified blockchain network, the BC domain name includes a human-readable label and uniquely corresponds to a chain identifier of the second bloeIrchain instance work, a blockchain domain name of a first blockchain instance; iden- tifying a blockchain domain name of the second blockchain instance; receiving, from a node of the first blockchain instance, an access re- quest for accessing the second blockchain instance, wherein the access request including the blockchain domain name of the second blockchain instance; identifying a chain identifier of the second blockchain instance = = = = 520 -- L_ Ident i t i the o ttiletr ofthe do szco:Lblotl e tain ins ,d tance blockchain instance based on the blockchain domain name of the second blockchain in- stance, wherein the chain identifier of the second blockchain instance indicates a blockchain network configuration of the second blockchain instance; and providing access to the second blockchain instance for the first blockchain instance based on the blockchain network configuration = = _ — = Access the second blockeliain imtance based ou the blockohain netwodi configuration indicated by the chain identifier of the second blockchain instance indicated by the chain identifier of the second blockchain instance. — N rn Ir.*\" -? 540 \"-----, Perform cross-chain transactions between the first blockchain instance and the second blockchain instance based on the N block:118in domain name of the second blockchain instance N IN C:::::) ......, 1: Il 0 FIG. 5 N C