公开(公告)号：US11128538B2

公开(公告)日：2021-09-21

申请号：US16512888

申请日：2019-07-16

Applicant: MASTERCARD INTERNATIONAL INCORPORATED

Inventor： Stephen Higgins ,  Stephanie Finn ,  Thomas Treitlinger ,  Rob Byrne ,  Ojo K. Oluwasogo

IPC: H04L12/24 ,  G06F3/01 ,  G06F3/0484 ,  G06F3/0488 ,  G06F3/041 ,  H04L12/917 ,  H04L12/70

Abstract: A method for physically displaying and manipulating a communication network through physical objects and an interactive display includes: positioning, on a surface of an interactive display screen, a plurality of physical objects, each representing a node in a communication network; displaying a topography of the communication network including at least a plurality of nodes, where each node represented by a physical object is displayed beneath the respective physical object, and where open communication channels between nodes are visually displayed on the screen; receiving a physical gesture performed by a user between two of the plurality of physical objects; transmitting a signal to one of the physical objects or an access point of the communication network causing manipulation of the communication network based on the physical gesture; and updating the displayed topography of the communication network based on the manipulation of the communication network in real-time.

公开(公告)号：US12301699B2

公开(公告)日：2025-05-13

申请号：US17978616

申请日：2022-11-01

Applicant: Mastercard International Incorporated

Inventor： Steven C. Davis ,  Rob Byrne ,  Robert Collins ,  Leandro Nunes Da Silva Carvalho ,  Deborah Eleanor Barta

IPC: H04L29/06 ,  G06F16/27 ,  G06Q30/018 ,  H04L9/06 ,  H04L9/08 ,  H04L9/30 ,  H04L9/32 ,  H04L9/00

Abstract: A method for conveying auditable information regarding provenance of a product that is cryptographically accurate while retaining complete anonymity of product and participant on a blockchain includes: receiving a product identifier; generating a digital token by applying a hashing algorithm to the product identifier; generating an entry value by applying the hashing algorithm to a combination of an event identifier and the digital token; generating a digital signature by digitally signing a data package using a private key of a cryptographic key pair, where the data package includes at least a blockchain address, the event identifier, and the digital token; and transmitting the blockchain address, the digital signature, and the entry value to a node in a blockchain network.

公开(公告)号：US11438143B2

公开(公告)日：2022-09-06

申请号：US16720192

申请日：2019-12-19

Applicant: MASTERCARD INTERNATIONAL INCORPORATED

Inventor： Robert Collins ,  Rob Byrne

IPC: G06F3/06 ,  H04L9/06

Abstract: A method for reducing file size of a blockchain through hash truncation includes: receiving a plurality of blockchain transactions; generating a first Merkle root of a first Merkle tree comprised of a first hash of each of the plurality of blockchain transactions; generating a second Merkle root of a second Merkle tree comprised of a second hash of each of the plurality of blockchain transactions, where the second hash is a truncation of the first hash for the respective blockchain transaction; generating a new block comprised of a block header and the first hash of each of the plurality of blockchain transactions, the block header including at least a timestamp, the first Merkle root, the second Merkle root, and a block reference value associated with a prior block in a blockchain; and transmitting the generated new block to a plurality of additional nodes in the blockchain network.

公开(公告)号：US11849025B2

公开(公告)日：2023-12-19

申请号：US17886630

申请日：2022-08-12

Applicant: Mastercard International Incorporated

Inventor： Robert Collins ,  Rob Byrne

IPC: H04L9/06 ,  G06F3/06 ,  H04L9/00

CPC classification number: H04L9/0643 ,  G06F3/0608 ,  H04L9/50 ,  H04L2209/56

Abstract: A method for reducing file size of a blockchain through hash truncation includes: receiving a plurality of blockchain transactions; generating a first Merkle root of a first Merkle tree comprised of a first hash of each of the plurality of blockchain transactions; generating a second Merkle root of a second Merkle tree comprised of a second hash of each of the plurality of blockchain transactions, where the second hash is a truncation of the first hash for the respective blockchain transaction; generating a new block comprised of a block header and the first hash of each of the plurality of blockchain transactions, the block header including at least a timestamp, the first Merkle root, the second Merkle root, and a block reference value associated with a prior block in a blockchain; and transmitting the generated new block to a plurality of additional nodes in the blockchain network.

公开(公告)号：US11516001B2

公开(公告)日：2022-11-29

申请号：US17176538

申请日：2021-02-16

Applicant: MASTERCARD INTERNATIONAL INCORPORATED

Inventor： Steven C. Davis ,  Rob Byrne ,  Robert Collins ,  Leandro Nunes Da Silva Carvalho ,  Deborah Eleanor Barta

IPC: H04L29/06 ,  H04L9/06 ,  G06Q30/00 ,  G06F16/27 ,  H04L9/08 ,  H04L9/30 ,  H04L9/32 ,  H04L9/00

Abstract: A method for conveying auditable information regarding provenance of a product that is cryptographically accurate while retaining complete anonymity of product and participant on a blockchain includes: receiving a product identifier; generating a digital token by applying a hashing algorithm to the product identifier; generating an entry value by applying the hashing algorithm to a combination of an event identifier and the digital token; generating a digital signature by digitally signing a data package using a private key of a cryptographic key pair, where the data package includes at least a blockchain address, the event identifier, and the digital token; and transmitting the blockchain address, the digital signature, and the entry value to a node in a blockchain network.