EP3912023A4 - A method for generating random numbers in blockchain smart contracts - Google Patents

A method for generating random numbers in blockchain smart contracts Download PDF

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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Withdrawn
Application number
EP20741818.7A
Other languages
German (de)
French (fr)
Other versions
EP3912023A1 (en
Inventor
Francois Dumas
Yuming QIAN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zeu Technologies Inc
Original Assignee
Zeu Technologies Inc
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 Zeu Technologies Inc filed Critical Zeu Technologies Inc
Publication of EP3912023A1 publication Critical patent/EP3912023A1/en
Publication of EP3912023A4 publication Critical patent/EP3912023A4/en
Withdrawn legal-status Critical Current

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
EP20741818.7A 2019-01-18 2020-01-20 A method for generating random numbers in blockchain smart contracts Withdrawn EP3912023A4 (en)

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 (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN114598477A (en) * 2022-03-02 2022-06-07 济南量子技术研究院 Consensus system and method based on device-independent quantum random numbers
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
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
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
WO2024065217A1 (en) * 2022-09-27 2024-04-04 Wormholes Lab Pte. Ltd. Random number generation in a blockchain system

Citations (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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
JP6511201B1 (en) * 2016-02-23 2019-05-15 エヌチェーン ホールディングス リミテッドＮｃｈａｉｎ Ｈｏｌｄｉｎｇｓ Ｌｉｍｉｔｅｄ Registry and Automated Management Method for Sophisticated Trading Enforced by Blockchain
US10652239B2 (en) * 2016-12-30 2020-05-12 Slock.It Gmbh Block-chain enabled service provider system including permission data structure and state channel monitoring

Patent Citations (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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
CN113853578A (en) 2021-12-28
WO2020146955A1 (en) 2020-07-23
EP3912023A1 (en) 2021-11-24
KR20210135495A (en) 2021-11-15
CA3126956A1 (en) 2020-07-23
IL284876A (en) 2021-08-31
JP2022523643A (en) 2022-04-26

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