CN109377215A - 区块链交易方法及装置、电子设备 - Google Patents
区块链交易方法及装置、电子设备 Download PDFInfo
- Publication number
- CN109377215A CN109377215A CN201810887463.2A CN201810887463A CN109377215A CN 109377215 A CN109377215 A CN 109377215A CN 201810887463 A CN201810887463 A CN 201810887463A CN 109377215 A CN109377215 A CN 109377215A
- Authority
- CN
- China
- Prior art keywords
- block chain
- transaction
- assets
- undertake
- small change
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
Classifications
-
- 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
- G06Q40/00—Finance; Insurance; Tax strategies; Processing of corporate or income taxes
- G06Q40/04—Trading; Exchange, e.g. stocks, commodities, derivatives or currency exchange
-
- 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
- G06Q20/02—Payment architectures, schemes or protocols involving a neutral party, e.g. certification authority, notary or trusted third party [TTP]
-
- 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
- G06Q20/389—Keeping log of transactions for guaranteeing non-repudiation of a transaction
-
- 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
-
- 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
- G06Q20/22—Payment schemes or models
- G06Q20/223—Payment schemes or models based on the use of peer-to-peer networks
-
- 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
- G06Q20/3825—Use of electronic signatures
-
- 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
- G06Q20/3829—Payment protocols; Details thereof insuring higher security of transaction involving key management
-
- 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
- G06Q20/383—Anonymous user system
-
- 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
- G06Q20/40—Authorisation, e.g. identification of payer or payee, verification of customer or shop credentials; Review and approval of payers, e.g. check credit lines or negative lists
- G06Q20/401—Transaction verification
-
- 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
- G06Q20/40—Authorisation, e.g. identification of payer or payee, verification of customer or shop credentials; Review and approval of payers, e.g. check credit lines or negative lists
- G06Q20/403—Solvency checks
- G06Q20/4037—Remote solvency checks
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
-
- 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
- G06Q2220/00—Business processing using cryptography
-
- 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
- G06Q2220/00—Business processing using cryptography
- G06Q2220/10—Usage protection of distributed data files
-
- 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
- H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees
Landscapes
- Business, Economics & Management (AREA)
- Accounting & Taxation (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Strategic Management (AREA)
- General Business, Economics & Management (AREA)
- Finance (AREA)
- Computer Security & Cryptography (AREA)
- Development Economics (AREA)
- Economics (AREA)
- Marketing (AREA)
- Technology Law (AREA)
- Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
- Databases & Information Systems (AREA)
- Data Mining & Analysis (AREA)
- General Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
Abstract
Description
Claims (19)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810887463.2A CN109377215B (zh) | 2018-08-06 | 2018-08-06 | 区块链交易方法及装置、电子设备 |
CN202010513132.XA CN111768304A (zh) | 2018-08-06 | 2018-08-06 | 区块链交易方法及装置、电子设备 |
TW108110709A TWI727292B (zh) | 2018-08-06 | 2019-03-27 | 區塊鏈交易方法及裝置、電子設備 |
SG11202010811VA SG11202010811VA (en) | 2018-08-06 | 2019-08-05 | Method, apparatus and electronic device for blockchain transactions |
US16/531,609 US11295303B2 (en) | 2018-08-06 | 2019-08-05 | Method, apparatus and electronic device for blockchain transactions |
EP19755480.1A EP3776429B1 (en) | 2018-08-06 | 2019-08-05 | Method, apparatus and electronic device for blockchain transactions |
PCT/US2019/045090 WO2020033302A1 (en) | 2018-08-06 | 2019-08-05 | Method, apparatus and electronic device for blockchain transactions |
US16/738,055 US11144918B2 (en) | 2018-08-06 | 2020-01-09 | Method, apparatus and electronic device for blockchain transactions |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810887463.2A CN109377215B (zh) | 2018-08-06 | 2018-08-06 | 区块链交易方法及装置、电子设备 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010513132.XA Division CN111768304A (zh) | 2018-08-06 | 2018-08-06 | 区块链交易方法及装置、电子设备 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN109377215A true CN109377215A (zh) | 2019-02-22 |
CN109377215B CN109377215B (zh) | 2020-04-21 |
Family
ID=65403805
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810887463.2A Active CN109377215B (zh) | 2018-08-06 | 2018-08-06 | 区块链交易方法及装置、电子设备 |
CN202010513132.XA Pending CN111768304A (zh) | 2018-08-06 | 2018-08-06 | 区块链交易方法及装置、电子设备 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010513132.XA Pending CN111768304A (zh) | 2018-08-06 | 2018-08-06 | 区块链交易方法及装置、电子设备 |
Country Status (6)
Country | Link |
---|---|
US (2) | US11295303B2 (zh) |
EP (1) | EP3776429B1 (zh) |
CN (2) | CN109377215B (zh) |
SG (1) | SG11202010811VA (zh) |
TW (1) | TWI727292B (zh) |
WO (1) | WO2020033302A1 (zh) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110335042A (zh) * | 2019-06-26 | 2019-10-15 | 阿里巴巴集团控股有限公司 | 基于环签名的匿名交易方法及装置 |
CN110348837A (zh) * | 2019-06-28 | 2019-10-18 | 阿里巴巴集团控股有限公司 | 一种基于区块链智能合约的转账方法及系统 |
CN110458561A (zh) * | 2019-07-31 | 2019-11-15 | 阿里巴巴集团控股有限公司 | 区块链网络中实现机密交易的方法及装置 |
CN111340494A (zh) * | 2020-05-15 | 2020-06-26 | 支付宝(杭州)信息技术有限公司 | 资产类型一致性证据生成、交易、交易验证方法及系统 |
WO2020258851A1 (zh) * | 2019-06-26 | 2020-12-30 | 创新先进技术有限公司 | 采用环签名的机密区块链交易的实现方法及装置 |
WO2021082404A1 (zh) * | 2019-10-30 | 2021-05-06 | 深圳市网心科技有限公司 | 一种信息监控方法、系统、设备及存储介质 |
US11025434B2 (en) | 2019-06-26 | 2021-06-01 | Advanced New Technologies Co., Ltd. | Ring signature-based anonymous transaction |
WO2021134900A1 (zh) * | 2019-12-31 | 2021-07-08 | 深圳市网心科技有限公司 | 区块链供应链交易隐藏静态监管系统及方法 |
WO2021134897A1 (zh) * | 2019-12-31 | 2021-07-08 | 深圳市网心科技有限公司 | 区块链供应链交易隐藏动态监管系统及方法 |
CN113177799A (zh) * | 2021-05-13 | 2021-07-27 | 江阴兴澄特种钢铁有限公司 | 一种基于区块链的钢铁防伪溯源系统和方法 |
US11238447B2 (en) | 2019-06-26 | 2022-02-01 | Advanced New Technologies Co., Ltd. | Blockchain transactions with ring signatures |
US11276060B2 (en) | 2019-06-28 | 2022-03-15 | Advanced New Technologies Co., Ltd. | Transferring operations based on blockchain smart contract |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11240001B2 (en) * | 2018-11-06 | 2022-02-01 | International Business Machines Corporation | Selective access to asset transfer data |
CN111433799B (zh) * | 2020-02-03 | 2022-03-25 | 支付宝(杭州)信息技术有限公司 | 基于区块链的可信保函 |
CN111311265B (zh) * | 2020-02-13 | 2023-07-25 | 布比(北京)网络技术有限公司 | 区块链私密交易证明方法、装置、计算机设备和存储介质 |
CN111339109B (zh) * | 2020-02-21 | 2024-01-12 | 百度在线网络技术(北京)有限公司 | 一种区块链的资源处理方法、装置、设备和介质 |
CN111383008B (zh) * | 2020-05-29 | 2021-07-30 | 支付宝(杭州)信息技术有限公司 | 基于账户模型的区块链转账方法及装置 |
JP7054726B2 (ja) * | 2020-09-17 | 2022-04-14 | 楽天グループ株式会社 | 情報処理装置、情報処理方法およびプログラム |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160342978A1 (en) * | 2015-05-21 | 2016-11-24 | Mastercard International Incorporated | Method and system for integration of market exchange and issuer processing for blockchain-based transactions |
CN107239951A (zh) * | 2017-06-07 | 2017-10-10 | 北京天德科技有限公司 | 一种基于第三代区块链的可扩展央行数字货币交易方法 |
CN107679857A (zh) * | 2017-10-10 | 2018-02-09 | 马晶瑶 | 区块链的跨链交易方法和存储介质 |
CN108062671A (zh) * | 2017-11-03 | 2018-05-22 | 深圳市轱辘车联数据技术有限公司 | 数据交易方法、区块链节点服务器及数据提交终端 |
CN108288159A (zh) * | 2018-03-07 | 2018-07-17 | 物数(上海)信息科技有限公司 | 基于多区块链的跨链交易方法、系统、设备及存储介质 |
Family Cites Families (134)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4926480A (en) | 1983-08-22 | 1990-05-15 | David Chaum | Card-computer moderated systems |
US7107246B2 (en) | 1998-04-27 | 2006-09-12 | Esignx Corporation | Methods of exchanging secure messages |
JP2000207466A (ja) | 1999-01-18 | 2000-07-28 | Nippon Telegr & Teleph Corp <Ntt> | 電子商取引文書を媒介とした電子商取引方法および電子商取引手段、ならびにプログラムを記録した記録媒体。 |
JP2000299683A (ja) | 1999-02-10 | 2000-10-24 | Nippon Telegr & Teleph Corp <Ntt> | 複数公開鍵保存方法、その装置およびそのプログラム記録媒体 |
WO2001069843A2 (en) | 2000-03-10 | 2001-09-20 | Absolutefuture, Inc. | Method and system for coordinating secure transmission of information |
US7716484B1 (en) | 2000-03-10 | 2010-05-11 | Rsa Security Inc. | System and method for increasing the security of encrypted secrets and authentication |
AU2001255183A1 (en) | 2000-04-14 | 2001-10-30 | Wu Wen | Delayed commitment scheme to prevent attacks based on compromised certificates |
EP1205889A1 (en) | 2000-11-10 | 2002-05-15 | TELEFONAKTIEBOLAGET LM ERICSSON (publ) | Returning of change in an electronic payment system |
US7181017B1 (en) | 2001-03-23 | 2007-02-20 | David Felsher | System and method for secure three-party communications |
US7509498B2 (en) | 2001-06-29 | 2009-03-24 | Intel Corporation | Digital signature validation |
GB2378282A (en) | 2001-07-31 | 2003-02-05 | Hewlett Packard Co | Automated multivariate negotiation using convertable undeniable signatures |
EP1436967A2 (en) | 2001-10-19 | 2004-07-14 | Matsushita Electric Industrial Co., Ltd. | Device authentication system and device authentication method |
CN1875569A (zh) | 2003-11-03 | 2006-12-06 | 皇家飞利浦电子股份有限公司 | 用于有效多方乘积的方法和设备 |
US8156029B2 (en) | 2005-02-24 | 2012-04-10 | Michael Gregory Szydlo | Process for verifiably communicating risk characteristics of an investment portfolio |
US20090119505A1 (en) | 2005-05-10 | 2009-05-07 | Dts Ltd. | Transaction method and verification method |
JP4435076B2 (ja) | 2005-11-18 | 2010-03-17 | フェリカネットワークス株式会社 | 携帯端末,データ通信方法,およびコンピュータプログラム |
US7725446B2 (en) | 2005-12-19 | 2010-05-25 | International Business Machines Corporation | Commitment of transactions in a distributed system |
CN101375286B (zh) | 2006-01-25 | 2012-06-27 | 松下电器产业株式会社 | 终端装置、服务器装置及事务处理方法以及数字内容分发系统 |
TW200820108A (en) | 2006-05-24 | 2008-05-01 | Ibm | Method for automatically validating a transaction, electronic payment system and computer program |
US20090177591A1 (en) | 2007-10-30 | 2009-07-09 | Christopher Thorpe | Zero-knowledge proofs in large trades |
US20090281949A1 (en) | 2008-05-12 | 2009-11-12 | Appsware Wireless, Llc | Method and system for securing a payment transaction |
US8543091B2 (en) | 2008-06-06 | 2013-09-24 | Ebay Inc. | Secure short message service (SMS) communications |
US8281131B2 (en) | 2008-08-28 | 2012-10-02 | International Business Machines Corporation | Attributes in cryptographic credentials |
US8744077B2 (en) | 2008-10-28 | 2014-06-03 | International Business Machines Corporation | Cryptographic encoding and decoding of secret data |
JP5264450B2 (ja) | 2008-12-02 | 2013-08-14 | 日本電信電話株式会社 | ビットコミットメント検証システム、ビットコミットメント装置、検証装置、ビットコミットメント検証方法、ビットコミットメント方法、検証方法、ビットコミットメントプログラム、検証プログラム |
US20120116978A1 (en) | 2008-12-23 | 2012-05-10 | Mtn Mobile Money Sa (Pty) Ltd | Method of and system for securely processing a transaction |
US8762741B2 (en) | 2009-01-29 | 2014-06-24 | Microsoft Corporation | Privacy-preserving communication |
US8825555B2 (en) | 2010-06-30 | 2014-09-02 | International Business Machines Corporation | Privacy-sensitive sample analysis |
US8527777B2 (en) | 2010-07-30 | 2013-09-03 | International Business Machines Corporation | Cryptographic proofs in data processing systems |
US8661240B2 (en) | 2011-04-29 | 2014-02-25 | International Business Machines Corporation | Joint encryption of data |
US20120317034A1 (en) | 2011-06-13 | 2012-12-13 | Microsoft Corporation | Transparent virtual currency using verifiable tokens |
US9858401B2 (en) | 2011-08-09 | 2018-01-02 | Biogy, Inc. | Securing transactions against cyberattacks |
CN103842984B (zh) | 2011-09-29 | 2017-05-17 | 亚马逊技术股份有限公司 | 基于参数的密钥推导 |
JP5364141B2 (ja) | 2011-10-28 | 2013-12-11 | 楽天株式会社 | 携帯端末、店舗端末、送信方法、受信方法、決済システム、決済方法、プログラムおよびコンピュータ読み取り可能な記憶媒体 |
EP2634738A1 (en) | 2012-03-02 | 2013-09-04 | Alcatel Lucent | Decentralized electronic transfer system |
FR2993382B1 (fr) | 2012-07-13 | 2015-07-03 | Oberthur Technologies | Entite electronique securisee pour l'autorisation d'une transaction |
GB201310084D0 (en) | 2013-06-06 | 2013-07-17 | Mastercard International Inc | Improvements to electronic authentication systems |
US9853819B2 (en) | 2013-08-05 | 2017-12-26 | Guardtime Ip Holdings Ltd. | Blockchain-supported, node ID-augmented digital record signature method |
US11055707B2 (en) | 2014-06-24 | 2021-07-06 | Visa International Service Association | Cryptocurrency infrastructure system |
KR20160024185A (ko) | 2014-08-25 | 2016-03-04 | 아이보 (주) | SE(Secure element)를 이용한 암호화폐 관리 시스템 및 그 방법 |
CN105469510B (zh) * | 2014-10-12 | 2018-01-09 | 吴思进 | 可预告延时支付或找回的加密货币钱包 |
GB201419016D0 (en) | 2014-10-24 | 2014-12-10 | Visa Europe Ltd | Transaction Messaging |
WO2017122187A2 (fr) * | 2016-01-15 | 2017-07-20 | Enrico Maim | Procédés et systèmes mis en œuvre dans une architecture en réseau de nœuds susceptibles de réaliser des transactions basées sur messages |
US11200564B2 (en) | 2015-03-31 | 2021-12-14 | Nasdaq, Inc. | Systems and methods of blockchain transaction recordation |
EP3281171A4 (en) | 2015-04-06 | 2018-11-07 | Bitmark Inc. | System and method for decentralized title recordation and authentication |
US9397985B1 (en) | 2015-04-14 | 2016-07-19 | Manifold Technology, Inc. | System and method for providing a cryptographic platform for exchanging information |
US10026082B2 (en) | 2015-05-21 | 2018-07-17 | Mastercard International Incorporated | Method and system for linkage of blockchain-based assets to fiat currency accounts |
US11080665B1 (en) | 2015-06-08 | 2021-08-03 | Blockstream Corporation | Cryptographically concealing amounts and asset types for independently verifiable transactions |
US11062303B2 (en) * | 2015-06-08 | 2021-07-13 | Blockstream Corporation | Cryptographically concealing amounts transacted on a ledger while preserving a network's ability to verify the transaction |
WO2017004470A1 (en) | 2015-06-30 | 2017-01-05 | Visa International Service Association | Mutual authentication of confidential communication |
US20180191503A1 (en) | 2015-07-14 | 2018-07-05 | Fmr Llc | Asynchronous Crypto Asset Transfer and Social Aggregating, Fractionally Efficient Transfer Guidance, Conditional Triggered Transaction, Datastructures, Apparatuses, Methods and Systems |
US20170085555A1 (en) | 2015-07-14 | 2017-03-23 | Fmr Llc | Point-to-Point Transaction Guidance Apparatuses, Methods and Systems |
WO2017079652A1 (en) | 2015-11-05 | 2017-05-11 | Pulsifer Allen | Cryptographic transactions system |
WO2017091530A1 (en) | 2015-11-24 | 2017-06-01 | Gartland & Mellina Group | Blockchain solutions for financial services and other transaction-based industries |
WO2017095833A1 (en) | 2015-11-30 | 2017-06-08 | Erik Voorhees | Systems and methods for improving security in blockchain-asset exchange |
US10013573B2 (en) | 2015-12-16 | 2018-07-03 | International Business Machines Corporation | Personal ledger blockchain |
US11354658B2 (en) | 2016-02-11 | 2022-06-07 | Mastercard International Incorporated | Method and system for offline blockchain exchanges |
US20170243193A1 (en) | 2016-02-18 | 2017-08-24 | Skuchain, Inc. | Hybrid blockchain |
JP6995762B2 (ja) | 2016-02-23 | 2022-01-17 | エヌチェーン ホールディングス リミテッド | ブロックチェーンからのデータのセキュアな抽出のための暗号方法及びシステム |
US10652014B2 (en) | 2016-02-23 | 2020-05-12 | nChain Holdings Limited | Determining a common secret for the secure exchange of information and hierarchical, deterministic cryptographic keys |
GB2561729A (en) | 2016-02-23 | 2018-10-24 | Nchain Holdings Ltd | Secure multiparty loss resistant storage and transfer of cryptographic keys for blockchain based systems in conjunction with a wallet management system |
CA3015697C (en) | 2016-02-29 | 2022-11-22 | Securekey Technologies Inc. | Systems and methods for distributed identity verification |
KR102415260B1 (ko) | 2016-04-11 | 2022-06-30 | 엔체인 홀딩스 리미티드 | 블록체인에서 안전한 피어-투-피어 통신을 위한 방법 |
CN107306183B (zh) | 2016-04-22 | 2021-12-21 | 索尼公司 | 客户端、服务端、方法和身份验证系统 |
KR101780635B1 (ko) | 2016-04-28 | 2017-09-21 | 주식회사 코인플러그 | 인증 정보의 생성, 등록, 파기 방법 및 인증 지원 서버 |
US10046228B2 (en) | 2016-05-02 | 2018-08-14 | Bao Tran | Smart device |
US10447478B2 (en) | 2016-06-06 | 2019-10-15 | Microsoft Technology Licensing, Llc | Cryptographic applications for a blockchain system |
KR101802655B1 (ko) | 2016-06-10 | 2017-11-29 | 인하대학교 산학협력단 | 원격 서버를 이용한 안전한 소프트웨어 기반 일회용 비밀번호 생성 방법 |
US11062366B2 (en) * | 2016-06-24 | 2021-07-13 | Raise Marketplace Inc. | Securely processing exchange items in a data communication system |
US20180006823A1 (en) | 2016-07-01 | 2018-01-04 | Qualcomm Incorporated | Multi-hop secure content routing based on cryptographic partial blind signatures and embedded terms |
KR101795695B1 (ko) | 2016-07-14 | 2017-12-01 | 주식회사 코인플러그 | 메신저 서비스를 통하여 송수신하는 데이터에 대한 기록 서비스 및 검증 서비스를 제공하는 방법, 및 이를 이용한 서버 |
US11651352B2 (en) | 2016-07-15 | 2023-05-16 | Visa International Service Association | Digital asset distribution by transaction device |
EP3273635B1 (en) | 2016-07-20 | 2019-10-30 | Mastercard International Incorporated | Secure channel establishment |
WO2018019364A1 (en) | 2016-07-26 | 2018-02-01 | NEC Laboratories Europe GmbH | Method for controlling access to a shared resource |
CN107666388B (zh) * | 2016-07-28 | 2019-11-01 | 郑珂威 | 基于完全同态加密方法的区块链信息加密方法 |
US10067810B2 (en) | 2016-07-28 | 2018-09-04 | Cisco Technology, Inc. | Performing transactions between application containers |
GB201613176D0 (en) * | 2016-07-29 | 2016-09-14 | Eitc Holdings Ltd | Computer-implemented method and system |
JP6971019B2 (ja) | 2016-09-26 | 2021-11-24 | Gmoインターネット株式会社 | データ管理システム、情報処理装置、プログラム、及び、データ管理方法 |
US10769600B2 (en) | 2016-09-26 | 2020-09-08 | International Business Machines Corporation | Cryptocurrency transactions using debit and credit values |
CN106549749B (zh) * | 2016-12-06 | 2019-12-24 | 杭州趣链科技有限公司 | 一种基于加法同态加密的区块链隐私保护方法 |
US20180167198A1 (en) | 2016-12-09 | 2018-06-14 | Cisco Technology, Inc. | Trust enabled decentralized asset tracking for supply chain and automated inventory management |
WO2018125989A2 (en) | 2016-12-30 | 2018-07-05 | Intel Corporation | The internet of things |
CN106911470B (zh) | 2017-01-23 | 2020-07-07 | 北京航空航天大学 | 一种比特币交易隐私增强方法 |
CN106845960B (zh) | 2017-01-24 | 2018-03-20 | 上海壹账通区块链科技有限公司 | 基于区块链的安全交易方法及系统 |
US11082418B2 (en) | 2017-02-13 | 2021-08-03 | Avalanche Cloud Corporation | Privacy ensured brokered identity federation |
CN107025602A (zh) | 2017-02-24 | 2017-08-08 | 杭州象链网络技术有限公司 | 一种基于联盟链的金融资产交易系统构建方法 |
JP6961960B2 (ja) | 2017-03-13 | 2021-11-05 | ソニーグループ株式会社 | 情報処理装置および情報処理方法 |
JP6719410B2 (ja) | 2017-03-17 | 2020-07-08 | Kddi株式会社 | 生成装置、検証装置、及びプログラム |
US20180293576A1 (en) | 2017-04-05 | 2018-10-11 | Samsung Sds Co., Ltd. | System for custom currency transaction based on blockchain and operating method thereof |
US11095432B2 (en) | 2017-04-05 | 2021-08-17 | Samsung Sds Co., Ltd. | System for processing data based on blockchain and operating method thereof |
GB201705621D0 (en) | 2017-04-07 | 2017-05-24 | Nchain Holdings Ltd | Computer-implemented system and method |
GB201705749D0 (en) | 2017-04-10 | 2017-05-24 | Nchain Holdings Ltd | Computer-implemented system and method |
GB201705858D0 (en) | 2017-04-11 | 2017-05-24 | Nchain Holdings Ltd | Computer-implemented system and method |
GB201706132D0 (en) | 2017-04-18 | 2017-05-31 | Nchain Holdings Ltd | Computer-implemented system and method |
US10320758B2 (en) | 2017-04-25 | 2019-06-11 | International Business Machines Corporation | Cryptography using multi-factor key system and finite state machine |
US10198949B2 (en) | 2017-04-28 | 2019-02-05 | Mastercard International Incorporated | Method and system for parking verification via blockchain |
US10560270B2 (en) | 2017-05-03 | 2020-02-11 | International Business Machines Corporation | Optimal data storage configuration in a blockchain |
GB201707168D0 (en) | 2017-05-05 | 2017-06-21 | Nchain Holdings Ltd | Computer-implemented system and method |
GB201707296D0 (en) | 2017-05-08 | 2017-06-21 | Nchain Holdings Ltd | Computer-implemented system and method |
US11165589B2 (en) | 2017-05-11 | 2021-11-02 | Shapeshift Ag | Trusted agent blockchain oracle |
CN107451175B (zh) | 2017-05-23 | 2020-01-31 | 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 |
JP7194127B2 (ja) | 2017-06-14 | 2022-12-21 | エヌチェーン ライセンシング アーゲー | ネットワークの障害時におけるオフ・ブロックチェーン・チャネルに関して生じるセキュリティ関連脆弱性に対処するためのシステム及び方法 |
GB201710283D0 (en) * | 2017-06-28 | 2017-08-09 | Nchain Holdings Ltd | Computer-implemented system and method |
US10333710B2 (en) | 2017-09-12 | 2019-06-25 | Qed-It Systems Ltd. | Method and system for determining desired size of private randomness using Tsallis entropy |
TWI636411B (zh) | 2017-09-13 | 2018-09-21 | 現代財富控股有限公司 | 對非區塊鏈節點提供交易不可否認性之系統及其方法 |
US10361870B2 (en) | 2017-09-14 | 2019-07-23 | The Toronto-Dominion Bank | Management of cryptographically secure exchanges of data using permissioned distributed ledgers |
EP3688705B1 (en) | 2017-09-29 | 2023-08-02 | Leverage Rock LLC | Transaction privacy in public distributed ledger systems |
CN108418689B (zh) | 2017-11-30 | 2020-07-10 | 矩阵元技术(深圳)有限公司 | 一种适合区块链隐私保护的零知识证明方法和介质 |
WO2019109003A1 (en) | 2017-11-30 | 2019-06-06 | Visa International Service Association | Blockchain system for confidential and anonymous smart contracts |
US10831764B2 (en) | 2017-12-02 | 2020-11-10 | International Business Machines Corporation | Query processing and access control in a blockchain network |
US11227284B2 (en) | 2017-12-13 | 2022-01-18 | Mastercard International Incorporated | Method and system for consumer-initiated transactions using encrypted tokens |
CN108282459B (zh) | 2017-12-18 | 2020-12-15 | 中国银联股份有限公司 | 基于智能合约的数据传递方法及系统 |
US10896418B2 (en) | 2017-12-29 | 2021-01-19 | Ebay Inc. | Secure management of data files using a blockchain |
TWM561861U (zh) * | 2018-01-11 | 2018-06-11 | 網家金融科技股份有限公司 | 網路支付轉帳系統 |
US10445965B2 (en) | 2018-01-29 | 2019-10-15 | Accenture Global Solutions Limited | Blockchain-based cryptologic ballot organization |
US10373129B1 (en) * | 2018-03-05 | 2019-08-06 | Winklevoss Ip, Llc | System, method and program product for generating and utilizing stable value digital assets |
US20210089676A1 (en) | 2018-02-16 | 2021-03-25 | Ecole Polytechnique Fédérale De Lausanne Epfl-Tto | Methods and systems for secure data exchange |
CN108512650B (zh) | 2018-02-28 | 2021-03-09 | 南京思利华信息科技有限公司 | 面向区块链的动态哈希计算方法、装置、节点及存储介质 |
CN108320228A (zh) | 2018-03-07 | 2018-07-24 | 物数(上海)信息科技有限公司 | 跨区块链资产交易方法、平台、设备及存储介质 |
US11159306B2 (en) * | 2018-04-24 | 2021-10-26 | Duvon Corporation | Autonomous exchange via entrusted ledger token and transaction management |
US10708243B2 (en) | 2018-04-24 | 2020-07-07 | Capital One Services, Llc | Message encryption using public keychains |
CN108711105A (zh) | 2018-05-16 | 2018-10-26 | 四川吉鼎科技有限公司 | 一种基于区块链的安全交易验证方法及系统 |
CN108764874B (zh) | 2018-05-17 | 2021-09-07 | 深圳前海微众银行股份有限公司 | 基于区块链的匿名转账方法、系统及存储介质 |
CN108683669B (zh) | 2018-05-19 | 2021-09-17 | 深圳市图灵奇点智能科技有限公司 | 数据验证方法和安全多方计算系统 |
CN108876332B (zh) | 2018-06-04 | 2020-09-22 | 清华大学 | 一种基于生物特征标记认证的区块链安全交易方法及装置 |
CN109003184A (zh) | 2018-06-22 | 2018-12-14 | 中链科技有限公司 | 区块链资产管理方法及装置 |
US11032068B2 (en) | 2018-06-29 | 2021-06-08 | International Business Machines Corporation | Leakage-deterring encryption for message communication |
US10917233B2 (en) | 2018-10-16 | 2021-02-09 | International Business Machines Corporation | Selective exchange of transaction data |
JP6956062B2 (ja) | 2018-10-30 | 2021-10-27 | 株式会社Crypto Garage | 取引方法、プログラム、検証装置及び生成方法 |
US11240001B2 (en) | 2018-11-06 | 2022-02-01 | International Business Machines Corporation | Selective access to asset transfer data |
AU2018348318B2 (en) | 2018-11-07 | 2020-05-21 | Advanced New Technologies Co., Ltd. | Blockchain system supporting public and private transactions under account models |
ES2859569T3 (es) | 2018-11-27 | 2021-10-04 | Advanced New Technologies Co Ltd | Sistema y método para la protección de información |
BR112019007727A2 (pt) | 2018-11-27 | 2019-11-12 | Alibaba Group Holding Ltd | sistema e método para proteção de informações |
ES2833552T3 (es) | 2018-11-27 | 2021-06-15 | Advanced New Technologies Co Ltd | Sistema y método para la protección de información |
-
2018
- 2018-08-06 CN CN201810887463.2A patent/CN109377215B/zh active Active
- 2018-08-06 CN CN202010513132.XA patent/CN111768304A/zh active Pending
-
2019
- 2019-03-27 TW TW108110709A patent/TWI727292B/zh active
- 2019-08-05 SG SG11202010811VA patent/SG11202010811VA/en unknown
- 2019-08-05 WO PCT/US2019/045090 patent/WO2020033302A1/en active Search and Examination
- 2019-08-05 US US16/531,609 patent/US11295303B2/en active Active
- 2019-08-05 EP EP19755480.1A patent/EP3776429B1/en active Active
-
2020
- 2020-01-09 US US16/738,055 patent/US11144918B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160342978A1 (en) * | 2015-05-21 | 2016-11-24 | Mastercard International Incorporated | Method and system for integration of market exchange and issuer processing for blockchain-based transactions |
CN107239951A (zh) * | 2017-06-07 | 2017-10-10 | 北京天德科技有限公司 | 一种基于第三代区块链的可扩展央行数字货币交易方法 |
CN107679857A (zh) * | 2017-10-10 | 2018-02-09 | 马晶瑶 | 区块链的跨链交易方法和存储介质 |
CN108062671A (zh) * | 2017-11-03 | 2018-05-22 | 深圳市轱辘车联数据技术有限公司 | 数据交易方法、区块链节点服务器及数据提交终端 |
CN108288159A (zh) * | 2018-03-07 | 2018-07-17 | 物数(上海)信息科技有限公司 | 基于多区块链的跨链交易方法、系统、设备及存储介质 |
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11025434B2 (en) | 2019-06-26 | 2021-06-01 | Advanced New Technologies Co., Ltd. | Ring signature-based anonymous transaction |
CN112488703A (zh) * | 2019-06-26 | 2021-03-12 | 创新先进技术有限公司 | 基于环签名的匿名交易方法及装置 |
WO2020258851A1 (zh) * | 2019-06-26 | 2020-12-30 | 创新先进技术有限公司 | 采用环签名的机密区块链交易的实现方法及装置 |
WO2020258832A1 (zh) * | 2019-06-26 | 2020-12-30 | 创新先进技术有限公司 | 基于环签名的匿名交易方法及装置 |
US11238447B2 (en) | 2019-06-26 | 2022-02-01 | Advanced New Technologies Co., Ltd. | Blockchain transactions with ring signatures |
US11258614B2 (en) | 2019-06-26 | 2022-02-22 | Advanced New Technologies Co., Ltd. | Ring signature-based anonymous transaction |
CN110335042B (zh) * | 2019-06-26 | 2020-10-20 | 创新先进技术有限公司 | 基于环签名的匿名交易方法及装置 |
CN110335042A (zh) * | 2019-06-26 | 2019-10-15 | 阿里巴巴集团控股有限公司 | 基于环签名的匿名交易方法及装置 |
WO2020258857A1 (zh) * | 2019-06-28 | 2020-12-30 | 创新先进技术有限公司 | 一种基于区块链智能合约的转账方法及系统 |
CN110348837A (zh) * | 2019-06-28 | 2019-10-18 | 阿里巴巴集团控股有限公司 | 一种基于区块链智能合约的转账方法及系统 |
US11276060B2 (en) | 2019-06-28 | 2022-03-15 | Advanced New Technologies Co., Ltd. | Transferring operations based on blockchain smart contract |
CN110458561B (zh) * | 2019-07-31 | 2020-08-04 | 阿里巴巴集团控股有限公司 | 区块链网络中实现机密交易的方法及装置 |
CN110458561A (zh) * | 2019-07-31 | 2019-11-15 | 阿里巴巴集团控股有限公司 | 区块链网络中实现机密交易的方法及装置 |
WO2021082404A1 (zh) * | 2019-10-30 | 2021-05-06 | 深圳市网心科技有限公司 | 一种信息监控方法、系统、设备及存储介质 |
WO2021134900A1 (zh) * | 2019-12-31 | 2021-07-08 | 深圳市网心科技有限公司 | 区块链供应链交易隐藏静态监管系统及方法 |
WO2021134897A1 (zh) * | 2019-12-31 | 2021-07-08 | 深圳市网心科技有限公司 | 区块链供应链交易隐藏动态监管系统及方法 |
CN111340494B (zh) * | 2020-05-15 | 2020-08-28 | 支付宝(杭州)信息技术有限公司 | 资产类型一致性证据生成、交易、交易验证方法及系统 |
CN111340494A (zh) * | 2020-05-15 | 2020-06-26 | 支付宝(杭州)信息技术有限公司 | 资产类型一致性证据生成、交易、交易验证方法及系统 |
CN113177799A (zh) * | 2021-05-13 | 2021-07-27 | 江阴兴澄特种钢铁有限公司 | 一种基于区块链的钢铁防伪溯源系统和方法 |
Also Published As
Publication number | Publication date |
---|---|
US20200042999A1 (en) | 2020-02-06 |
US11295303B2 (en) | 2022-04-05 |
US20200143368A1 (en) | 2020-05-07 |
TW202008272A (zh) | 2020-02-16 |
EP3776429B1 (en) | 2024-05-01 |
SG11202010811VA (en) | 2020-11-27 |
US11144918B2 (en) | 2021-10-12 |
CN111768304A (zh) | 2020-10-13 |
CN109377215B (zh) | 2020-04-21 |
WO2020033302A1 (en) | 2020-02-13 |
EP3776429A1 (en) | 2021-02-17 |
TWI727292B (zh) | 2021-05-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN109377215A (zh) | 区块链交易方法及装置、电子设备 | |
US11132677B2 (en) | Method, apparatus and electronic device for blockchain transactions | |
CN109359971A (zh) | 区块链交易方法及装置、电子设备 | |
TWI734090B (zh) | 區塊鏈交易方法及裝置、電子設備 | |
TWI698115B (zh) | 基於區塊鏈的交易方法、裝置和匯出方設備 | |
Goldfeder et al. | Escrow protocols for cryptocurrencies: How to buy physical goods using bitcoin | |
CN109544129B (zh) | 区块链交易方法及装置、电子设备 | |
JP2021529397A (ja) | ブロックチェーンアドレスおよび所有者の検証のためのシステムおよび方法 | |
CN109377224A (zh) | 区块链交易方法及装置、电子设备 | |
CN110008716A (zh) | 区块链交易方法及装置、电子设备、存储介质 | |
CN110033370A (zh) | 账户创建方法及装置、电子设备、存储介质 | |
CN114270780A (zh) | 网关不可知令牌化 | |
WO2019212829A1 (en) | Techniques for performing secure operations | |
CN110458561A (zh) | 区块链网络中实现机密交易的方法及装置 | |
CN110009323A (zh) | 区块链交易方法及装置、电子设备、存储介质 | |
CN110009492A (zh) | 区块链交易方法及装置、电子设备、存储介质 | |
CN111383008B (zh) | 基于账户模型的区块链转账方法及装置 | |
CN114677128A (zh) | 基于区块链的对公钱包开立方法及装置 | |
Li et al. | Implementation and preliminary evaluation of an auditable confidentiality mechanism for DeFi | |
Jayasinghe | Enhancing the Security of Centralised and Distributed Payments | |
Omodunbi et al. | Integrating Asymmetric Cryptographic Digital Wallet for Online Services in Nigeria |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
REG | Reference to a national code |
Ref country code: HK Ref legal event code: DE Ref document number: 40004480 Country of ref document: HK |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20200922 Address after: Cayman Enterprise Centre, 27 Hospital Road, George Town, Grand Cayman Islands Patentee after: Innovative advanced technology Co.,Ltd. Address before: Cayman Enterprise Centre, 27 Hospital Road, George Town, Grand Cayman Islands Patentee before: Advanced innovation technology Co.,Ltd. Effective date of registration: 20200922 Address after: Cayman Enterprise Centre, 27 Hospital Road, George Town, Grand Cayman Islands Patentee after: Advanced innovation technology Co.,Ltd. Address before: A four-storey 847 mailbox in Grand Cayman Capital Building, British Cayman Islands Patentee before: Alibaba Group Holding Ltd. |