EP3912023A4 - A method for generating random numbers in blockchain smart contracts - Google Patents
A method for generating random numbers in blockchain smart contracts Download PDFInfo
- Publication number
- EP3912023A4 EP3912023A4 EP20741818.7A EP20741818A EP3912023A4 EP 3912023 A4 EP3912023 A4 EP 3912023A4 EP 20741818 A EP20741818 A EP 20741818A EP 3912023 A4 EP3912023 A4 EP 3912023A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- random numbers
- generating random
- smart contracts
- blockchain smart
- blockchain
- 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.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F7/58—Random or pseudo-random number generators
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/90—Details of database functions independent of the retrieved data types
- G06F16/901—Indexing; Data structures therefor; Storage structures
- G06F16/9024—Graphs; Linked lists
-
- 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
-
- 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
- H04L9/065—Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
- H04L9/0656—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher
- H04L9/0662—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher with particular pseudorandom sequence generator
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- General Engineering & Computer Science (AREA)
- Databases & Information Systems (AREA)
- Software Systems (AREA)
- Computational Mathematics (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Optimization (AREA)
- Mathematical Analysis (AREA)
- Data Mining & Analysis (AREA)
- Health & Medical Sciences (AREA)
- Bioethics (AREA)
- General Health & Medical Sciences (AREA)
- Computer Hardware Design (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Storage Device Security (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201962794336P | 2019-01-18 | 2019-01-18 | |
PCT/CA2020/050056 WO2020146955A1 (en) | 2019-01-18 | 2020-01-20 | A method for generating random numbers in blockchain smart contracts |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3912023A1 EP3912023A1 (en) | 2021-11-24 |
EP3912023A4 true EP3912023A4 (en) | 2022-10-12 |
Family
ID=71612990
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20741818.7A Withdrawn EP3912023A4 (en) | 2019-01-18 | 2020-01-20 | A method for generating random numbers in blockchain smart contracts |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP3912023A4 (en) |
JP (1) | JP2022523643A (en) |
KR (1) | KR20210135495A (en) |
CN (1) | CN113853578A (en) |
CA (1) | CA3126956A1 (en) |
IL (1) | IL284876A (en) |
WO (1) | WO2020146955A1 (en) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2589349A (en) * | 2019-11-27 | 2021-06-02 | Nchain Holdings Ltd | Povably fair games using a blockchain |
GB2597955A (en) * | 2020-08-11 | 2022-02-16 | Nchain Holdings Ltd | Pseudo-ramdom selection on the blockchain |
CN112118107B (en) * | 2020-08-12 | 2021-08-27 | 北京大学 | Self-adaptive execution method for realizing data credibility |
CN112702323B (en) * | 2020-12-14 | 2022-06-03 | 杭州溪塔科技有限公司 | License issuing verification method and device for block chain software and electronic equipment |
CN112527244A (en) * | 2020-12-18 | 2021-03-19 | 上海万向区块链股份公司 | Distributed lottery system and method based on verifiable delay function |
CN112910643B (en) * | 2021-03-03 | 2023-04-07 | 中国人民银行数字货币研究所 | Method and device for generating random number in block chain |
WO2022241571A1 (en) * | 2021-05-21 | 2022-11-24 | Zeu Technologies, Inc. | System and method for the safe custody of private data using blockchain |
CN113489584B (en) * | 2021-07-02 | 2024-04-05 | 北京泛融科技有限公司 | Method and device for processing random numbers in block chain and electronic equipment |
KR102582307B1 (en) * | 2021-08-17 | 2023-09-25 | 한일석 | Method for generating random number |
CN114205087B (en) * | 2021-08-30 | 2023-12-15 | 深圳时空云科技有限公司 | Block chain random number generation method |
CN113935737B (en) * | 2021-12-15 | 2022-10-25 | 支付宝(杭州)信息技术有限公司 | Random number generation method and device based on block chain |
CN114598477B (en) * | 2022-03-02 | 2024-06-04 | 济南量子技术研究院 | Consensus system based on device independent quantum random number and method thereof |
CN114328754B (en) * | 2022-03-04 | 2022-06-28 | 中科计算技术创新研究院 | Blind box management method, blind box management node and digital blind box system |
CN114362968B (en) * | 2022-03-15 | 2022-06-17 | 北京百度网讯科技有限公司 | Method, device, equipment and medium for acquiring random number by block chain |
CN114338051B (en) * | 2022-03-15 | 2022-06-21 | 北京百度网讯科技有限公司 | Method, device, equipment and medium for acquiring random number by block chain |
KR102676290B1 (en) * | 2022-05-04 | 2024-06-24 | 주식회사 유토피아게임즈 | Method and apparatus of generating random number and providing card to user in games of chance using blockchain network |
WO2024065217A1 (en) * | 2022-09-27 | 2024-04-04 | Wormholes Lab Pte. Ltd. | Random number generation in a blockchain system |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018104728A1 (en) * | 2016-12-05 | 2018-06-14 | Quanta Technology Ltd | Random number generation |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6187251B2 (en) * | 2013-12-27 | 2017-08-30 | 富士通株式会社 | Data communication method and data communication apparatus |
EP3257191B1 (en) * | 2016-02-23 | 2018-04-11 | Nchain Holdings Limited | Registry and automated management method for blockchain-enforced smart contracts |
WO2018126059A1 (en) * | 2016-12-30 | 2018-07-05 | Slock.it, Inc. | Block-chain enabled service provider system |
-
2020
- 2020-01-20 WO PCT/CA2020/050056 patent/WO2020146955A1/en unknown
- 2020-01-20 CA CA3126956A patent/CA3126956A1/en active Pending
- 2020-01-20 EP EP20741818.7A patent/EP3912023A4/en not_active Withdrawn
- 2020-01-20 JP JP2021541494A patent/JP2022523643A/en active Pending
- 2020-01-20 KR KR1020217025655A patent/KR20210135495A/en unknown
- 2020-01-20 CN CN202080014780.9A patent/CN113853578A/en active Pending
-
2021
- 2021-07-15 IL IL284876A patent/IL284876A/en unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018104728A1 (en) * | 2016-12-05 | 2018-06-14 | Quanta Technology Ltd | Random number generation |
Non-Patent Citations (3)
Title |
---|
CHATTERJEE KRISHNENDU ET AL: "Probabilistic Smart Contracts: Secure Randomness on the Blockchain", 2019 IEEE INTERNATIONAL CONFERENCE ON BLOCKCHAIN AND CRYPTOCURRENCY (ICBC), IEEE, 14 May 2019 (2019-05-14), pages 403 - 412, XP033572005, DOI: 10.1109/BLOC.2019.8751326 * |
RANDAO.ORG: "Randao: Verifiable Random Number Generation", 11 September 2017 (2017-09-11), pages 1 - 24, XP055590669, Retrieved from the Internet <URL:https://randao.org/whitepaper/Randao_v0.85_en.pdf> [retrieved on 20190521] * |
See also references of WO2020146955A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP3912023A1 (en) | 2021-11-24 |
KR20210135495A (en) | 2021-11-15 |
JP2022523643A (en) | 2022-04-26 |
CN113853578A (en) | 2021-12-28 |
IL284876A (en) | 2021-08-31 |
CA3126956A1 (en) | 2020-07-23 |
WO2020146955A1 (en) | 2020-07-23 |
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