SG11202100786YA - Methods for implementing privacy protection in blockchain - Google Patents
Methods for implementing privacy protection in blockchainInfo
- Publication number
- SG11202100786YA SG11202100786YA SG11202100786YA SG11202100786YA SG11202100786YA SG 11202100786Y A SG11202100786Y A SG 11202100786YA SG 11202100786Y A SG11202100786Y A SG 11202100786YA SG 11202100786Y A SG11202100786Y A SG 11202100786YA SG 11202100786Y A SG11202100786Y A SG 11202100786YA
- Authority
- SG
- Singapore
- Prior art keywords
- blockchain
- methods
- privacy protection
- implementing privacy
- implementing
- Prior art date
Links
Classifications
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- 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
- G06F21/602—Providing cryptographic facilities or services
-
- 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
- G06Q20/3821—Electronic credentials
- G06Q20/38215—Use of certificates or encrypted proofs of transaction rights
-
- 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
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
- G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
-
- 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
- G06F21/64—Protecting data integrity, e.g. using checksums, certificates or 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
- G06Q20/04—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
- 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
- G06Q20/40—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
- G06Q20/4014—Identity check for transactions
-
- 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
- G06Q30/00—Commerce
- G06Q30/06—Buying, selling or leasing transactions
-
- 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
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- 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
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
- H04L9/0825—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) using asymmetric-key encryption or public key infrastructure [PKI], e.g. key signature or public key certificates
-
- 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
- H04L9/14—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using a plurality of keys or algorithms
-
- 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; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/2105—Dual mode as a secondary aspect
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/2107—File encryption
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Theoretical Computer Science (AREA)
- Accounting & Taxation (AREA)
- Computer Security & Cryptography (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Finance (AREA)
- General Business, Economics & Management (AREA)
- Strategic Management (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Bioethics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Computer Hardware Design (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- Development Economics (AREA)
- Economics (AREA)
- Marketing (AREA)
- Technology Law (AREA)
- Databases & Information Systems (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811452984.1A CN110033368B (zh) | 2018-11-30 | 2018-11-30 | 区块链中实现隐私保护的方法 |
PCT/CN2019/111304 WO2020108138A1 (fr) | 2018-11-30 | 2019-10-15 | Procédé pour mettre en œuvre une protection de la confidentialité dans une chaîne de blocs |
Publications (1)
Publication Number | Publication Date |
---|---|
SG11202100786YA true SG11202100786YA (en) | 2021-03-30 |
Family
ID=67235279
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG11202100786YA SG11202100786YA (en) | 2018-11-30 | 2019-10-15 | Methods for implementing privacy protection in blockchain |
Country Status (6)
Country | Link |
---|---|
US (1) | US11049099B2 (fr) |
EP (1) | EP3813000A4 (fr) |
CN (2) | CN110033368B (fr) |
SG (1) | SG11202100786YA (fr) |
TW (1) | TWI718662B (fr) |
WO (1) | WO2020108138A1 (fr) |
Families Citing this family (41)
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CN110033368B (zh) | 2018-11-30 | 2020-07-07 | 阿里巴巴集团控股有限公司 | 区块链中实现隐私保护的方法 |
CN111582844A (zh) * | 2019-08-22 | 2020-08-25 | 深圳市先河系统技术有限公司 | 基于区块链的手续费分配方法、装置及存储介质 |
CN110766550B (zh) * | 2019-09-05 | 2021-06-22 | 创新先进技术有限公司 | 基于区块链的资产查询方法及装置、电子设备 |
CN111125741B (zh) * | 2019-12-31 | 2022-07-01 | 广东卓启投资有限责任公司 | 一种基于区块链零知识验证方法 |
CN111277415B (zh) * | 2020-01-20 | 2023-12-19 | 布比(北京)网络技术有限公司 | 基于区块链智能合约的隐私保护方法及装置 |
CN111090888B (zh) * | 2020-03-18 | 2020-07-07 | 支付宝(杭州)信息技术有限公司 | 验证合约的方法及装置 |
CN111047450A (zh) * | 2020-03-18 | 2020-04-21 | 支付宝(杭州)信息技术有限公司 | 链上数据的链下隐私计算方法及装置 |
CN111427663A (zh) * | 2020-03-24 | 2020-07-17 | 杭州溪塔科技有限公司 | 一种基于智能合约的虚拟机系统及其操作方法 |
CN111683071B (zh) | 2020-05-29 | 2023-02-28 | 百度在线网络技术(北京)有限公司 | 区块链的隐私数据处理方法、装置、设备以及存储介质 |
CN111931251B (zh) * | 2020-07-01 | 2024-01-12 | 陈子祺 | 一种基于区块链的可信计算芯片 |
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CN111770204B (zh) | 2020-08-31 | 2021-10-22 | 支付宝(杭州)信息技术有限公司 | 一种执行智能合约的方法、区块链节点和存储介质 |
CN113872948A (zh) | 2020-08-31 | 2021-12-31 | 支付宝(杭州)信息技术有限公司 | 一种执行智能合约的方法、区块链节点和节点设备 |
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CN113114476B (zh) * | 2021-06-15 | 2021-11-16 | 支付宝(杭州)信息技术有限公司 | 基于合约的隐私存证方法及装置 |
CN113726733B (zh) * | 2021-07-19 | 2022-07-22 | 东南大学 | 一种基于可信执行环境的加密智能合约隐私保护方法 |
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CN113742782B (zh) * | 2021-11-04 | 2022-02-08 | 中国信息通信研究院 | 基于隐私保护的区块链访问权限控制方法和区块链系统 |
CN114358764A (zh) * | 2021-11-15 | 2022-04-15 | 深圳众联数字科技有限公司 | 基于区块链中智能合约的隐私计算方法及相关设备 |
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CN108389046B (zh) * | 2018-02-07 | 2020-08-28 | 西安交通大学 | 一种电子商务中基于区块链技术的隐私保护交易方法 |
CN108650647A (zh) * | 2018-04-27 | 2018-10-12 | 深圳市元征科技股份有限公司 | 一种无线网络资源共享方法以及无线网络资源共享装置 |
CN108848058A (zh) * | 2018-05-07 | 2018-11-20 | 众安信息技术服务有限公司 | 智能合约处理方法及区块链系统 |
CN108830716B (zh) * | 2018-05-31 | 2021-12-17 | 上海万向区块链股份公司 | 基于区块链和加密处理的保护用户隐私的交易系统 |
CN108776936A (zh) * | 2018-06-05 | 2018-11-09 | 中国平安人寿保险股份有限公司 | 保险理赔方法、装置、计算机设备和存储介质 |
US11296895B2 (en) * | 2018-09-12 | 2022-04-05 | Bitclave Pte. Ltd. | Systems and methods for preserving privacy and incentivizing third-party data sharing |
CN110033368B (zh) * | 2018-11-30 | 2020-07-07 | 阿里巴巴集团控股有限公司 | 区块链中实现隐私保护的方法 |
CN110032883B (zh) * | 2019-01-31 | 2020-05-29 | 阿里巴巴集团控股有限公司 | 区块链中实现隐私保护的方法、系统和节点 |
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2018
- 2018-11-30 CN CN201811452984.1A patent/CN110033368B/zh active Active
- 2018-11-30 CN CN202010752752.9A patent/CN111899102A/zh active Pending
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2019
- 2019-09-11 TW TW108132762A patent/TWI718662B/zh active
- 2019-10-15 EP EP19891559.7A patent/EP3813000A4/fr active Pending
- 2019-10-15 WO PCT/CN2019/111304 patent/WO2020108138A1/fr unknown
- 2019-10-15 SG SG11202100786YA patent/SG11202100786YA/en unknown
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2021
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EP3813000A4 (fr) | 2021-09-29 |
CN110033368A (zh) | 2019-07-19 |
WO2020108138A1 (fr) | 2020-06-04 |
US11049099B2 (en) | 2021-06-29 |
CN110033368B (zh) | 2020-07-07 |
CN111899102A (zh) | 2020-11-06 |
US20210150524A1 (en) | 2021-05-20 |
TWI718662B (zh) | 2021-02-11 |
EP3813000A1 (fr) | 2021-04-28 |
TW202023235A (zh) | 2020-06-16 |
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