JP2020516089A - ブロックチェーンベースのデータ処理方法およびデバイス - Google Patents

ブロックチェーンベースのデータ処理方法およびデバイス Download PDF

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Publication number
JP2020516089A
JP2020516089A JP2019524992A JP2019524992A JP2020516089A JP 2020516089 A JP2020516089 A JP 2020516089A JP 2019524992 A JP2019524992 A JP 2019524992A JP 2019524992 A JP2019524992 A JP 2019524992A JP 2020516089 A JP2020516089 A JP 2020516089A
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JP2020516089A5 (enExample
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ホンリン・チウ
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Alibaba Group Holding Ltd
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Alibaba Group Holding Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/12—Applying verification of the received information
    • H04L63/123—Applying verification of the received information received data contents, e.g. message integrity
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/23—Updating
    • G06F16/2379—Updates performed during online database operations; commit processing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/12—Applying verification of the received information
    • H04L63/126—Applying verification of the received information the source of the received data
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/22—Indexing; Data structures therefor; Storage structures
    • G06F16/2228—Indexing structures
    • G06F16/2255—Hash tables
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/24—Querying
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/24—Querying
    • G06F16/245—Query processing
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/14—Network architectures or network communication protocols for network security for detecting or protecting against malicious traffic
    • H04L63/1441—Countermeasures against malicious traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/14—Network architectures or network communication protocols for network security for detecting or protecting against malicious traffic
    • H04L63/1441—Countermeasures against malicious traffic
    • H04L63/1466—Active attacks involving interception, injection, modification, spoofing of data unit addresses, e.g. hijacking, packet injection or TCP sequence number attacks
    • 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
    • H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06Q2220/00—Business processing using cryptography
    • 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

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Business, Economics & Management (AREA)
  • Data Mining & Analysis (AREA)
  • Computer Hardware Design (AREA)
  • Accounting & Taxation (AREA)
  • Computational Linguistics (AREA)
  • Finance (AREA)
  • Strategic Management (AREA)
  • General Business, Economics & Management (AREA)
  • Software Systems (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
  • Computer And Data Communications (AREA)
JP2019524992A 2017-05-12 2018-05-10 ブロックチェーンベースのデータ処理方法およびデバイス Pending JP2020516089A (ja)

Applications Claiming Priority (3)

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CN201710335973.4A CN108881120B (zh) 2017-05-12 2017-05-12 一种基于区块链的数据处理方法及设备
CN201710335973.4 2017-05-12
PCT/CN2018/086280 WO2018205971A1 (zh) 2017-05-12 2018-05-10 一种基于区块链的数据处理方法及设备

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US (1) US11281661B2 (enExample)
EP (1) EP3528451B1 (enExample)
JP (1) JP2020516089A (enExample)
KR (1) KR102242220B1 (enExample)
CN (1) CN108881120B (enExample)
AU (1) AU2018264441B2 (enExample)
BR (1) BR112019009576A2 (enExample)
CA (1) CA3043536A1 (enExample)
MX (1) MX2019005529A (enExample)
MY (1) MY195245A (enExample)
PH (1) PH12019501055A1 (enExample)
RU (1) RU2720641C9 (enExample)
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020524320A (ja) * 2019-04-26 2020-08-13 アリババ・グループ・ホールディング・リミテッドＡｌｉｂａｂａ Ｇｒｏｕｐ Ｈｏｌｄｉｎｇ Ｌｉｍｉｔｅｄ アンチリプレー攻撃認証プロトコル

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108881120B (zh) 2017-05-12 2020-12-04 创新先进技术有限公司 一种基于区块链的数据处理方法及设备
CN110383279B (zh) * 2018-12-29 2024-03-15 创新先进技术有限公司 用于检测重放攻击的系统和方法
KR102239398B1 (ko) 2018-12-29 2021-04-13 어드밴스드 뉴 테크놀로지스 씨오., 엘티디. 재전송 공격을 검출하기 위한 시스템 및 방법
CN110415114A (zh) * 2019-06-12 2019-11-05 阿里巴巴集团控股有限公司 一种在区块链中解锁账户的方法和装置
SG11202002416RA (en) 2019-06-26 2020-04-29 Alibaba Group Holding Ltd Improved anti-replay device based on memory space interchange
US12099997B1 (en) 2020-01-31 2024-09-24 Steven Mark Hoffberg Tokenized fungible liabilities
CN111598558B (zh) * 2020-05-13 2023-08-22 中国联合网络通信集团有限公司 记账方法及记账节点服务器、付款方节点服务器
CN113438219B (zh) 2020-07-08 2023-06-02 支付宝(杭州)信息技术有限公司 一种基于区块链一体机的重放交易识别方法及装置
CN112492002B (zh) 2020-07-08 2023-01-20 支付宝(杭州)信息技术有限公司 一种基于区块链一体机的交易转发方法及装置
CN111539829B (zh) 2020-07-08 2020-12-29 支付宝(杭州)信息技术有限公司 一种基于区块链一体机的待过滤交易识别方法及装置
CN111541789A (zh) 2020-07-08 2020-08-14 支付宝(杭州)信息技术有限公司 一种基于区块链一体机的数据同步方法及装置
CN111541784B (zh) 2020-07-08 2021-07-20 支付宝(杭州)信息技术有限公司 一种基于区块链一体机的交易处理方法及装置
CN117478301B (zh) * 2023-12-27 2024-04-09 湖南天河国云科技有限公司 基于有向无环图的区块链共识达成方法及装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004532468A (ja) * 2001-04-18 2004-10-21 アイパス・インコーポレーテッド アクセス・デバイスによるコンピュータ・システムへのリプレイ攻撃を識別する方法およびシステム
WO2014196181A1 (ja) * 2013-06-04 2014-12-11 三菱電機株式会社 データ認証装置、及びデータ認証方法
US20150324789A1 (en) * 2014-05-06 2015-11-12 Case Wallet, Inc. Cryptocurrency Virtual Wallet System and Method

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7653401B2 (en) * 2002-07-25 2010-01-26 Hai Qu Filtering of broadcast SMS messages
US7660998B2 (en) * 2002-12-02 2010-02-09 Silverbrook Research Pty Ltd Relatively unique ID in integrated circuit
US7873782B2 (en) * 2004-11-05 2011-01-18 Data Robotics, Inc. Filesystem-aware block storage system, apparatus, and method
CN101009703B (zh) * 2007-02-07 2011-07-20 杭州华三通信技术有限公司 一种验证数据同步的方法及系统
US20110320347A1 (en) * 2007-03-30 2011-12-29 Obopay, Inc. Mobile Networked Payment System
DE102008046563A1 (de) * 2008-09-10 2010-03-11 Siemens Aktiengesellschaft Verfahren zur Datenübertragung zwischen Netzwerkknoten
CN102915421B (zh) * 2011-08-04 2013-10-23 腾讯科技（深圳）有限公司 文件的扫描方法及系统
US9858401B2 (en) 2011-08-09 2018-01-02 Biogy, Inc. Securing transactions against cyberattacks
CN103036696B (zh) * 2011-09-30 2016-05-25 中国移动通信集团甘肃有限公司 一种联机业务的实现方法、系统及相应设备
US9836908B2 (en) * 2014-07-25 2017-12-05 Blockchain Technologies Corporation System and method for securely receiving and counting votes in an election
CN106156050B (zh) * 2015-03-27 2020-01-10 阿里巴巴集团控股有限公司 一种数据处理方法及装置
EP3955146A1 (en) * 2015-05-05 2022-02-16 Ping Identity Corporation Identity management service using a block chain
US20160342977A1 (en) * 2015-05-20 2016-11-24 Vennd.io Pty Ltd Device, method and system for virtual asset transactions
US10963881B2 (en) 2015-05-21 2021-03-30 Mastercard International Incorporated Method and system for fraud control of blockchain-based transactions
KR101680540B1 (ko) * 2015-06-18 2016-11-30 주식회사 코인플러그 블록체인을 기반으로 하는 금융기관 제증명서류 위변조 검증시스템 및 방법
GB201511963D0 (en) * 2015-07-08 2015-08-19 Barclays Bank Plc Secure digital data operations
US20170048235A1 (en) 2015-07-14 2017-02-16 Fmr Llc Crypto Captcha and Social Aggregating, Fractionally Efficient Transfer Guidance, Conditional Triggered Transaction, Datastructures, Apparatuses, Methods and Systems
KR102665644B1 (ko) * 2015-09-17 2024-05-17 삼성전자 주식회사 인증을 위한 방법 및 그 장치
US20170132625A1 (en) * 2015-11-05 2017-05-11 Mastercard International Incorporated Method and system for use of a blockchain in a transaction processing network
WO2017079652A1 (en) * 2015-11-05 2017-05-11 Pulsifer Allen Cryptographic transactions system
US20170132626A1 (en) * 2015-11-05 2017-05-11 Mastercard International Incorporated Method and system for processing of a blockchain transaction in a transaction processing network
US20170132619A1 (en) * 2015-11-06 2017-05-11 SWFL, Inc., d/b/a "Filament" Systems and methods for autonomous device transacting
US10423938B1 (en) * 2015-11-20 2019-09-24 United Services Automobile Association Identifying negotiable instrument fraud using distributed ledger systems
CN105931052A (zh) * 2016-04-21 2016-09-07 四川大学 一种基于区块链多因子交叉验证的虚拟货币交易验证方法
GB201607477D0 (en) * 2016-04-29 2016-06-15 Eitc Holdings Ltd A method and system for controlling the performance of a contract using a distributed hash table and a peer to peer distributed ledger
CN106295401A (zh) * 2016-08-13 2017-01-04 深圳市樊溪电子有限公司 一种用于区块链的只读安全文件存储系统及其方法
CN106131048B (zh) * 2016-08-13 2020-05-19 广州商品清算中心股份有限公司 一种用于区块链的非信任远程交易文件安全存储系统
CN106530083B (zh) * 2016-10-27 2018-06-29 深圳壹账通智能科技有限公司 基于区块链的多链管理方法及系统
CN106650494B (zh) * 2016-12-16 2019-07-16 杭州嘉楠耘智信息科技有限公司 一种数据处理方法及装置
CN108881120B (zh) 2017-05-12 2020-12-04 创新先进技术有限公司 一种基于区块链的数据处理方法及设备

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004532468A (ja) * 2001-04-18 2004-10-21 アイパス・インコーポレーテッド アクセス・デバイスによるコンピュータ・システムへのリプレイ攻撃を識別する方法およびシステム
WO2014196181A1 (ja) * 2013-06-04 2014-12-11 三菱電機株式会社 データ認証装置、及びデータ認証方法
US20150324789A1 (en) * 2014-05-06 2015-11-12 Case Wallet, Inc. Cryptocurrency Virtual Wallet System and Method

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
CECCHETTI, ETHAN ET AL.: "Solidus: Confidential Distributed Ledger Transactions via PVORM", CRYPTOLOGY EPRINT ARCHIVE [ONLINE], vol. Report 2017/317，Ver. 20170831:160538, JPN6020034930, 30 October 2017 (2017-10-30), pages 1 - 23, ISSN: 0004516597 *
アンドレアス・Ｍ・アントノプロス, ビットコインとブロックチェーン 暗号通貨を支える技術, JPN6020037668, 21 July 2016 (2016-07-21), pages 018 - 022, ISSN: 0004516596 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020524320A (ja) * 2019-04-26 2020-08-13 アリババ・グループ・ホールディング・リミテッドＡｌｉｂａｂａ Ｇｒｏｕｐ Ｈｏｌｄｉｎｇ Ｌｉｍｉｔｅｄ アンチリプレー攻撃認証プロトコル

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EP3528451A1 (en) 2019-08-21
MY195245A (en) 2023-01-11
WO2018205971A1 (zh) 2018-11-15
MX2019005529A (es) 2019-09-05
AU2018264441A1 (en) 2019-05-30
EP3528451B1 (en) 2022-07-06
TWI684878B (zh) 2020-02-11
PH12019501055A1 (en) 2019-12-02
US20190391973A1 (en) 2019-12-26
AU2018264441B2 (en) 2020-05-21
EP3528451A4 (en) 2019-12-04
CA3043536A1 (en) 2018-11-15
CN108881120A (zh) 2018-11-23
BR112019009576A2 (pt) 2019-10-22
KR102242220B1 (ko) 2021-04-21
TW201901480A (zh) 2019-01-01
KR20190069473A (ko) 2019-06-19
CN108881120B (zh) 2020-12-04
RU2720641C1 (ru) 2020-05-12
RU2720641C9 (ru) 2020-07-07
US11281661B2 (en) 2022-03-22

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