Patent AU-2018347192-B2 (AU)
Title: A domain name management scheme for cross-chain interactions in blockchain systems
Inventor: QIU HONGLIN
IPC: G06F21/60
Filed: 2018-11-16
Granted: 2020-06-25
Abstract: (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property (1) Organization11111111111111111111111I1111111111111i1111liiiii International Bureau (10) International Publication Number (43) International Publication Date W O 2019/072272 A2 18 April 2019 (18.04.2019) W IPO I PCT (51) International Patent Classification: HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, 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, (21)InternationalApplicationNumber 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, (22) International Filing Date: TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. 16November2018(16.11.2018) (84) Designated States (unless otherwise indicated, for every (25) Filing Language: English kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, (26)PublicationLanguage: English 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, IE, 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 2](2)(a) Wah Building, No. 9 Shangdi 3rd Street, Haidian District, - without international search report and to be republished Beijing 100085 (CN). upon receipt ofthat 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, Fl, GB, GD, GE, GH, GM, GT, HN, (54) Title: A DOMAIN NAME MANAGEMENT SCHEME FOR CROSS-CHAIN INTERACTIONS IN BLOCKCHAIN SYSTEMS (57) Abstract: Implementations of the present disclosure include ob Obtaiu. cliei fa. b .ockhiinsinc. . taining, by a computing system, a unified blockchain domain name (a hlockchinmainnme of second, differentblckchin UBCDN) message of ablockchain instance, wherein the UBCDN message 510 insane -th bicekehain dmnnameis auniue idetifier f includes a UBCDN of the blockchain instance, a digital signature of an the seond blockchan, -inanin a ufied blockcaig owner of the UBCDN of the blockchain instance (a UBCDN owner) on nM ....oIk theBC Ourf t rilnaw III the UBCDN, and a domain certificate of the UBCDN; verifying whether son b the domain certificate of the UBCDN is issued by a trusted certificate authority (CA) using a public key of the CA; and verifying whether the UBCDN is issuedby the UBCDNownerusing apublic key of the UBCDN 520 idenfy the hin ietifie of the scnd blckchaiinance owner. The UBCDN message includes a blockchain domain name and a based on ie ih mine ofthe mond chain identifier of the blockchain instance uniquely corresponding to the blockchain domain name. 530 Access the second blockcha instance based on the b lockchain ne~ ork iofiguation imnheatedby heehmni idemifi of the ec d blocchaininstance 540 Peifor cros-chaitrnsacion between fifirs blockchain mstancand the econ bliokchai instance based on the block-haitnoman nameofthe secondhbockelininstnce