SG11201903586SA - Blockchain data protection based on account note model with zero-knowledge proof - Google Patents

Blockchain data protection based on account note model with zero-knowledge proof

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Publication number
SG11201903586SA
SG11201903586SA SG11201903586SA SG11201903586SA SG11201903586SA SG 11201903586S A SG11201903586S A SG 11201903586SA SG 11201903586S A SG11201903586S A SG 11201903586SA SG 11201903586S A SG11201903586S A SG 11201903586SA SG 11201903586S A SG11201903586S A SG 11201903586SA
Authority
SG
Singapore
Prior art keywords
account
wen
building
alibaba
international
Prior art date
Application number
SG11201903586SA
Inventor
Baoli Ma
Wenbin Zhang
Huanyu Ma
Zheng Liu
Lichun Li
Original Assignee
Alibaba Group Holding Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alibaba Group Holding Ltd filed Critical Alibaba Group Holding Ltd
Publication of SG11201903586SA publication Critical patent/SG11201903586SA/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/30—Payment architectures, schemes or protocols characterised by the use of specific devices or networks
    • G06Q20/36—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using electronic wallets or electronic money safes
    • G06Q20/367—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using electronic wallets or electronic money safes involving electronic purses or money safes
    • G06Q20/3674—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using electronic wallets or electronic money safes involving electronic purses or money safes involving authentication
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/04—Payment circuits
    • G06Q20/06—Private payment circuits, e.g. involving electronic currency used among participants of a common payment scheme
    • G06Q20/065—Private payment circuits, e.g. involving electronic currency used among participants of a common payment scheme using e-cash
    • G06Q20/0658—Private payment circuits, e.g. involving electronic currency used among participants of a common payment scheme using e-cash e-cash managed locally
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/38—Payment protocols; Details thereof
    • G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/008—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols involving homomorphic encryption
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
    • H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
    • H04L9/0637—Modes of operation, e.g. cipher block chaining [CBC], electronic codebook [ECB] or Galois/counter mode [GCM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
    • H04L9/0643—Hash functions, e.g. MD5, SHA, HMAC or f9 MAC
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3218—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using proof of knowledge, e.g. Fiat-Shamir, GQ, Schnorr, ornon-interactive zero-knowledge proofs
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3236—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions
    • H04L9/3239—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions involving non-keyed hash functions, e.g. modification detection codes [MDCs], MD5, SHA or RIPEMD
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/56—Financial cryptography, e.g. electronic payment or e-cash

Abstract

INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property M Th 0 111111 11 111 11111 0 11110 1 0 111 11111 11 11 0 11 0 11 11111 110 1111011 0 11 1111 Organization -- -- International Bureau (10) International Publication Number (43) International Publication Date ......•\" WO 2019/072268 A2 18 April 2019 (18.04.2019) WIP0 I PCT (51) (21) (22) (25) Filing Language: (26) (71) (72) International Not classified International International Publication Applicant: [—/CN]; Fourth George Town, Inventors: 5/F, Building trict, Hangzhou, Zhejiang 311121 bin; Alibaba 969 West Jiang 311121 Department Yuhang District, Zheng; Alibaba No. 969 West Zhejiang 311121 Patent Classification: Application Number: Filing Date: 07 Language: ALIBABA GROUP Floor, One Grand Cayman MA, Baoli; Alibaba 3, No. 969 West Group Legal Department Wen Yi Road, Yuhang District, Hangzhou, Zhe- (CN). MA, Huanyu; 5/F, Building 3, Capital (KY). Wen No. Zhejiang Yuhang November 2018 (07.11.2018) Group Department 5/F, Building 3, No. 969 West Wen Yi Road, Yuhang District, Hangzhou, Zhejiang 311121 (CN). (74) Agent: BEIJING BESTIPR INTELLECTUAL PROP- PCT/CN2018/114420 ERTY LAW CORPORATION; Room 409, Tower B, Ka Walt Building, No. 9 Shangdi 3rd Street, Haidian District, Beijing 100085 (CN). English (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, English 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, HOLDING LIMITED DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, Place, P.O. Box 847, 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, Legal Department MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, Yi Road, Yuhang Dis- OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, (CN) ZHANG, Wen- SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, Department 5/F, Building 3, 5/F, Building 3, No. TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (84) Designated States (unless otherwise indicated, for every Alibaba Group Legal kind of regional protection available): ARIPO (BW, GH, 969 West Wen Yi Road, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, 311121 (CN). LIU, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, District, Hangzhou, EE, ES, FI, FR, GB, GR, HR, HU, 1E, IS, IT, LT, LU, LV, Alibaba Group Legal MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, Hangzhou, Group Legal Wen Yi Road, (CN). LI, Lichun; = —_ = = Title: BLOCKCHAIN DATA , 302 PROTECTION BASED ON ACCOUNT NOTE MODEL WITH ZERO-KNOWLEDGE PROOF (57) : Implementations of the present disclosure include receiving, from a first account, a digitally signed copy of a plurality of notes, a commit- ment of a transaction amount of a transaction between the first account and a second account paid by at least a portion of the plurality of notes, a commitment = (54) = ther nod. A Biddle _I — 310 of a change from deducting the transaction amount from a total value of the Node plurality of notes, and a zero-knowledge proof generated based on one or more selected random numbers. The first account determines that the total value of the plurality of notes equals the sum of the transaction amount and the change, validates the transaction, and updates the first account and the second account based on the plurality of notes, the transaction amount, and the change. FIG. 3 = = — _ sdkomonomkna.k.N. or* —.. . , --nie B Ghia. , -,1 sued Ito plrn : • „Amount - to Genereleeity oi • camp* lie Am . Mom numba = _ = = = Genie ..\" k \" I 'IP W 312 1 , cipheleide trur . ,rd aid le ding 314_ 316 Usivamfam4.4m— , Q. ,, P , ... 318 , Sutiniing a Age* koricapyton blocixhan 320 — = — = — N GC • r;; N el h - Il 0 NI vedirethodsblirak. 322 Valing+. 1 . 1- 41 •Pk.k.th.t. 324 Ve0t thilthebi.1 *them o f 6,b, n ,„ ,th av 326 328 • Weed P 0 330 ..ylvtlielMe , .... nodeA 332 f -- U yoaFgmoesofueamdeArduser no de B 334 T C [Continued on next page] WO 2019/072268 A2 I IIIII I 01111I 01110101111111101H0 1 001 II II III VIII 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))
SG11201903586SA 2018-11-07 2018-11-07 Blockchain data protection based on account note model with zero-knowledge proof SG11201903586SA (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2018/114420 WO2019072268A2 (en) 2018-11-07 2018-11-07 Blockchain data protection based on account note model with zero-knowledge proof

Publications (1)

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SG11201903586SA true SG11201903586SA (en) 2019-05-30

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US (1) US20190251553A1 (en)
EP (2) EP3542336B1 (en)
JP (1) JP6817429B2 (en)
KR (1) KR102215773B1 (en)
CN (1) CN110419055B (en)
AU (1) AU2018347190B2 (en)
BR (1) BR112019008160B1 (en)
CA (1) CA3041160C (en)
ES (1) ES2863559T3 (en)
MX (1) MX2019004658A (en)
PH (1) PH12019500890A1 (en)
PL (1) PL3542336T3 (en)
RU (1) RU2729595C1 (en)
SG (1) SG11201903586SA (en)
TW (1) TW202018572A (en)
WO (1) WO2019072268A2 (en)
ZA (1) ZA201902549B (en)

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WO2019072268A2 (en) 2019-04-18
CA3041160A1 (en) 2019-04-18
AU2018347190B2 (en) 2020-10-22
BR112019008160B1 (en) 2021-08-24
RU2729595C1 (en) 2020-08-11
US20190251553A1 (en) 2019-08-15
TW202018572A (en) 2020-05-16
CN110419055A (en) 2019-11-05
EP3542336A4 (en) 2019-11-20
ZA201902549B (en) 2019-12-18
EP3542336B1 (en) 2021-01-27
AU2018347190A1 (en) 2020-05-21
EP3829104B1 (en) 2022-07-06
CA3041160C (en) 2022-11-29
EP3829104A1 (en) 2021-06-02
KR102215773B1 (en) 2021-02-17
JP2020503718A (en) 2020-01-30
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