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1. 发明授权

US11636470B2 Key-value map commitments system and method 有权
公开(公告)号：US11636470B2
公开(公告)日：2023-04-25
申请号：US17760977
申请日：2020-09-25
申请人： Visa International Service Association
发明人： Shashank Agrawal , Srinivasan Raghuraman
IPC分类号： G06Q20/38 , G06Q20/06 , G06Q20/40
摘要： A method includes a validation computer receiving an authorization request message comprising a user state and a user proof from a user device. The user state comprises first and second user state elements. The user proof comprises first, second, and third user proof elements. The validation computer computes a first verification value by multiplying the first user proof element raised to the power of the second user state element, and the second user proof element raised to the power of the first user state element. The computer computes a second verification value by raising the second user proof element to the power of the second user state element. The computer compares the first verification value to a first accumulated state element of an accumulated state. The compares the second verification value to a second accumulated state element. The validation computer authorizes the authorization request message based on the comparison steps.

2. 发明授权

US11626993B2 Network for improved verification speed with tamper resistant data 有权
公开(公告)号：US11626993B2
公开(公告)日：2023-04-11
申请号：US16615341
申请日：2018-05-22
申请人： Visa International Service Association , Yale University
发明人： Mahdi Zamani , Mahnush Movahedi , Mariana Raykova
IPC分类号： H04L29/06 , H04L9/32 , H04L12/18 , H04L41/0893 , G06Q20/06 , G06Q20/22 , H04L9/40 , H04L9/00
摘要： A method includes: a) receiving node identifiers from nodes of a plurality of nodes in a computer network; b) determining a plurality of node committees in a sampler graph comprising a plurality of nodes, wherein the node is present in a node committee in the plurality of node committees; c) and i) generating a random string; ii) performing a proof of work process using the random string and a hash function; iii) if the proof of work process yields a solution that is acceptable, then broadcasting the solution to all other nodes in the plurality of nodes, wherein the other nodes verify the solution; and iv) if the other nodes verify the solution, the node is elected to a subcommittee for the node committee, wherein the subcommittee updates the sampler graph; and d) repeating steps b) and c) until a leader committee is determined.

3. 发明授权

US11625783B1 Blockchain instrument for transferable equity 有权
公开(公告)号：US11625783B1
公开(公告)日：2023-04-11
申请号：US17728464
申请日：2022-04-25
申请人： Equity Shift, Inc.
发明人： Thomas Marshall Gordon, III
IPC分类号： G06Q40/04 , G06Q20/06 , H04L9/06 , G06Q20/36 , G06Q20/38
摘要： Systems and methods for offering and purchasing tokenized securities on a blockchain platform meeting current and future federal, state, and offering and holding entity rules and regulations. Tokenized securities purchased during or after the tokenized securities offering are tradable on a secondary market. The server computer of the tokenized securities provides an automated transfer capability for tokenized securities holders.

4. 发明授权

US11625708B2 System and method for customer initiated payment transaction using customer's mobile device and card 有权
公开(公告)号：US11625708B2
公开(公告)日：2023-04-11
申请号：US16997820
申请日：2020-08-19
申请人： Soo Hyang Kang
发明人： Soo Hyang Kang
IPC分类号： G06K19/06 , G06Q20/32 , G06Q20/34 , G06Q20/40 , G06Q20/20 , G06Q20/36 , G06Q20/02 , G06Q30/018 , G06Q20/10 , G06K7/14 , G06K7/10 , G06F21/31 , G06Q20/06
摘要： A system for a customer-initiated payment transaction includes a mobile device of a customer and a payment card of the customer. The mobile device includes a mobile application or a digital wallet, on which a customer may register one or more of a plurality of payment methods. The mobile application or the digital wallet may be activated to establish a point-of-sale (OIS) system on the mobile device and include a process to authenticate the customer.

5. 发明授权

US11625695B2 Protocol framework for supporting protocol flows 有权
公开(公告)号：US11625695B2
公开(公告)日：2023-04-11
申请号：US16680108
申请日：2019-11-11
申请人： R3 Ltd.
发明人： Michael Christopher Hearn , Qurratul Ain Shams Asari
IPC分类号： G06Q20/06 , G06Q20/38 , G06Q20/02 , G06Q40/12 , G06Q50/18 , H04L9/32 , H04L9/00
摘要： A method and system are provided to support a decentralized distributed ledger in which transactions are recorded by parties to the transactions without the use of a blockchain. A distributed ledger system provides a protocol framework that supports the development of protocol flows. A protocol flow is computer code that controls the performance of a transaction by the party or parties to the transaction. Protocol flows can be developed for different types of transactions. The distributed ledger system allows transactions to be proposed, accepted, and notarized by a notary and stored without the use of a blockchain ledger. The distributed ledger system can avoid the expense of the computational and storage resources needed to redundantly verify a transaction and store evidence on the many nodes of a blockchain distributed ledger.

6. 发明授权

US11625694B2 Blockchain-based exchange with tokenisation 有权
公开(公告)号：US11625694B2
公开(公告)日：2023-04-11
申请号：US16079446
申请日：2017-02-14
申请人： nChain Licensing AG
发明人： Craig Steven Wright , Stephane Savanah
IPC分类号： G06Q20/06 , G06Q20/38 , H04L9/32 , G06F16/27 , G06F16/182 , H04L9/06 , H04L9/08 , H04L9/00
摘要： The invention provides a secure method for exchanging entities via a blockchain. The invention incorporates tokenisation techniques, and also techniques for embedding metadata in a redeem script of a blockchain transaction. Embodiment(s) provide a computer implemented method of performing an exchange of entities, the method comprising: receiving, from a first user over a communications network, a first invitation to perform the exchange, the first invitation comprising a first set of metadata associated with the invitation, wherein the first set of metadata comprises an indication of entities to be exchanged and a first set of conditions for the exchange; generating a first script, the first script comprising: the first set of metadata, a first user public key (P1A) associated with the first user, wherein the first user public key (P1A) is a cryptographic pair with a first user private key (V1A), and a first third-party public key (P1T) associated with a first third-party, wherein the first third-party public key (P1T) is a cryptographic pair with a first third-party private key (V1T); hashing the first script to generate a first script hash; publishing the first script and the first script hash on a distributed hash table (DHT) distributed across a first network; and broadcasting, on a second network, a first invitation transaction for inclusion on a peer-to-peer (P2P) distributed ledger, the first invitation transaction comprising an indication of a first quantity of a cryptocurrency to be transferred and the first script hash.

7. 发明申请

US20230093968A1 ELECTRONIC DEVICE USING BLOCKCHAIN AND OPERATING METHOD THEREOF 有权
公开(公告)号：US20230093968A1
公开(公告)日：2023-03-30
申请号：US18075025
申请日：2022-12-05
申请人： SAMSUNG ELECTRONICS CO., LTD.
发明人： Chanjoon PARK , Yewon KIM , Gyuhyun SHIN , Dasom LEE
IPC分类号： G06Q20/06 , G06Q20/38 , H04L9/00
摘要： An electronic device includes a communication circuit and a processor connected to the communication circuit. The processor may be configured to generate first transaction data comprising a first piece of transaction data for transferring a part of unused transaction output values of a first address from the first address to a second address, transmit the first transaction data to a server, receive status information indicating a transmission delay status of the first transaction data in a blockchain network from the server, receive recommendation fee information on transmission of the first transaction data, from the server, and generate second transaction data comprising a second piece of transaction data for transferring the part of the unused transaction output values of the first address from the first address to the second address, based on the recommendation fee information.

8. 发明授权

US11615055B2 Scalable, secure, efficient, and adaptable distributed digital ledger transaction network 有权
公开(公告)号：US11615055B2
公开(公告)日：2023-03-28
申请号：US17537189
申请日：2021-11-29
申请人： Meta Platforms, Inc.
发明人： Qinfan Wu , Benjamin D Maurer , Eliyahu Pozniansky
IPC分类号： G06F16/17 , G06Q20/06 , G06F16/18 , G06F16/182 , G06F16/185 , H04L9/06
摘要： The present disclosure relates to systems, methods, and non-transitory computer readable storage media for implementing a scalable, secure, efficient, and adaptable distributed digital ledger transaction network. Indeed, the disclosed systems can reduce storage and processing requirements, improve security of implementing computing devices and underlying digital assets, accommodate a wide variety of different digital programs (or “smart contracts”), and scale to accommodate billions of users and associated digital transactions. For example, the disclosed systems can utilize a host of features that improve storage, account/address management, digital transaction execution, consensus, and synchronization processes. The disclosed systems can also utilize a new programming language that improves efficiency and security of the distributed digital ledger transaction network.

9. 发明申请

US20230091509A1 METHOD FOR DIRECTLY TRANSMITTING ELECTRONIC COIN DATASETS BETWEEN TERMINALS, PAYMENT SYSTEM, PROTECTION SYSTEM AND MONITORING ENTITY 有权
公开(公告)号：US20230091509A1
公开(公告)日：2023-03-23
申请号：US17802008
申请日：2021-02-24
申请人： GIESECKE+DEVRIENT ADVANCE52 GMBH
发明人： Tilo FRITZHANNS , Florian GAWLAS , Maria VELEVA
IPC分类号： G06Q20/10 , G06Q20/06 , G06Q20/38 , G06F21/64
摘要： The invention relates to a payment system and a method for directly transmitting electronic coin datasets between terminals, wherein a monitoring entity registers anonymous masked electronic coin datasets. The method has the following steps in a first terminal; receiving an electronic coin dataset, said at least one electronic coin dataset having a monetary value and a concealment value; masking a modified electronic coin dataset or the received electronic coin dataset by applying a one-way function to the electronic coin dataset in order to obtain a masked electronic coin dataset; linking the masked electronic coin dataset to a pseudonym in order to obtain a pseudonymized masked electronic coin dataset, and transmitting the pseudonymized masked electronic coin dataset to the monitoring entity.

10. 发明申请

US20230084651A1 METHOD, TERMINAL, MONITORING ENTITY, AND PAYMENT SYSTEM FOR MANAGING ELECTRONIC COIN DATASETS 有权
公开(公告)号：US20230084651A1
公开(公告)日：2023-03-16
申请号：US17801913
申请日：2021-02-24
申请人： GIESECKE+DEVRIENT ADVANCE52 GMBH
发明人： Tilo FRITZHANNS , Florian GAWLAS , Wolfram SEIDEMANN , Maria VELEVA
IPC分类号： G06Q20/06
摘要： A method relates to a terminal for managing electronic coin datasets and to a corresponding terminal. The electronic coin datasets are output by a central issuer entity, wherein each electronic coin dataset has a test value, and the test value is incremented when the electronic coin dataset is directly transmitted between two terminals or the test value is invariant in the event of an action carried out by terminals on the electronic coin dataset. In the method, it is determined whether the electronic coin dataset is displayed by the terminal in the payment system or whether the electronic coin dataset is returned to the central issuer entity. A method in a payment system is provided for managing electronic coin datasets, to a corresponding payment system, and to a monitoring entity.

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