Source Ltd.

Shift4 Technology Limited

Ilya Dubinsky

Shmuel Ur

Nir Chervoni

Gregory Paks

Dana Levy

Methods and systems for selecting and executing optimal execution strategies for processes, wherein an optimal execution strategy may be selected from a plurality of execution strategies for example in a look-up table, based on specific process values.

System and method for controlling actions depending on multiple validations

A system and method for transferring data representing one or more transactions between computing nodes of a computer network by at least one intermediary node may include: receiving a transaction request, for transferring ownership of a product from a current owner to a subsequent owner, the transaction request being signed by the current owner; authenticating the signature of the current owner; accessing a product chain associated with the product; extracting from the product chain a list of target user entities and a contract data element; producing an ownership block including an identification of the subsequent owner; appending the ownership block to the product chain, to indicate transfer of ownership from the current owner to the subsequent owner; and transferring data representing one or more transactions between the intermediary node and one or more computing nodes based on the transaction request.

System and method for transferring data representing transactions between computing nodes of a computer network

System and method for selecting an execution strategy depending on validations

A system and method of managing chargeback risk may include: receiving one or more projected transaction data elements, each comprising information pertaining to projection of future transactions among nodes of a computer network; receiving a plurality of actual transaction data elements, each comprising information pertaining to a respective plurality of actual transactions among nodes of the computer network; receiving one or more merchant profile data elements, each pertaining to a profile of one or more merchants, associated with nodes of the computer network; computing a distribution of chargeback risk for each actual transaction, based on the one or more actual transaction data elements and respective one or more merchant profile data elements; computing a clearance-period (CP) chargeback overage based on distribution of chargeback risk of actual transactions and the projected transaction data elements; and producing a suggestion for managing chargeback risk based on the CP chargeback overage.

System and method for managing chargeback risk

Systems and methods of providing a multiple-operation transaction to a blockchain receive a plurality of related operations which collectively constitute a transaction between respective computing devices of a plurality of parties to the transaction, each of the plurality of related operations comprising a data set comprising: a value, a target, and a unique number; calculate a hash value using at least the plurality of related operations; and publish the hash value to a pool of unclaimed hash values; wherein, once a given operation of the plurality of operations is performed, the operation is published to a pool of unprocessed operations; and wherein at least one mining node is configured to sign the transaction into a block of the blockchain only if the at least one mining node has chosen, from the pool of unprocessed operations, a subset of operations whose hash value is identical to the unclaimed hash value.

System and method for providing a multiple-operation transaction to a blockchain

A system and a method of detection of an attack on a computer network including a plurality of nodes, the method including: associating the plurality of nodes with each other in a distributed ledger configuration; producing, by a requesting node of the plurality of nodes, a request to set a value of at least one key derivation parameter; performing a vote of confidence among a subset of the plurality of nodes regarding the validity of the request; and detecting an attack on at least one node of a plurality of nodes according to the vote of confidence.

System and method for protection of computer networks against man-in-the-middle attacks

A method and a system for determining an optimal authentication scheme for an authenticating system. Embodiments may include: receiving, from the authenticating system an identity of a user requiring access to the authenticating system and a policy of the authenticating system; receiving, from a storage device, data including historical information regarding previous authentication attempts by the user; producing a list including an optimal selection of one or more authentication schemes, each including one or more authentication factors, according to the historical information and the authenticating system policy; and sending the selection list of one or more authentication schemes to the authenticating system.

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Kefar Sava, Israel

Ilya Dubinsky