Abstract: 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.

Abstract: 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.

Abstract: A system and method for detecting fraud may scan (e.g. by computer server) a target website provided by another server to identify products provided by the website. Based on the scanning, a process may calculate a set of possible amounts related to each of a set of transactions, calculate a probability for each transaction, receive details of a new transaction to take place at the target website, and generate an authentication score for the transaction based on the calculated probabilities.

Abstract: A system and method for transaction timing including, assigning a newly seen transaction to a bin among a plurality of bins, each bin describing a plurality of past transactions. Thereafter, selecting a bin based on the transaction value of the newly seen transaction and a probability statistic of the corresponding bin. Transmitting transaction timing advice derived from characteristics of the selected bin to the first computer and displaying the transaction timing advice on the first computer.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: A system and method for defining and using a virtual currency may include associating a fraction of a currency with at least one of: a history, an attribute, and a constraint; and selecting a usage of the fraction, in a monetary transaction, based on the at least one of: the history, the attribute and the constraint.

Abstract: 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.

Abstract: A system and method for authenticating a monetary transaction may include scanning a website to identify a plurality of products sold at the website and a respective plurality of costs of the products; calculating a set of monetary transactions based on a respective set of combinations of products; receiving details of a monetary transaction and generating an authentication score for the transaction based on relating data in the monetary transaction to data in the set of monetary transactions.

Abstract: 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.

Abstract: 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.

Abstract: Systems and methods of enabling a mobile computing device to perform a transaction using a first payment protocol and a second payment protocol, by executing a process on the mobile computing device, to communicate with a transaction platform executing a processor to associate a receipt of payment via the first payment protocol to the transaction platform with an account associated with the mobile computing device; receive from the transaction platform a temporary credential used for payment via the second payment protocol, the temporary credential funded based on the receipt of the payment to the transaction platform; contact a terminal via a communication protocol; and use the temporary credential to cause payment via the terminal.

Abstract: A method and a system for routing transactions within a computer network may include receiving a request to route a transaction between two nodes of the computer network, extracting a feature vector (FV) from the transaction request, including at least one feature associated with the requested transaction; associating the requested transaction with a cluster of transactions in a clustering model based on the extracted FV; selecting an optimal route for the requested transaction from a plurality of available routes, based on the FV; and routing the requested transaction according to the selection.

Abstract: A system and a method of routing transactions between nodes of a computer network, by at least one processor. Embodiments of the method may include: receiving a destination feature vector (DFV) for at least one destination node of a plurality of destination nodes of the computer network; receiving a transaction request to route a transaction between a source node of the computer network and the at least one destination node; extracting from the transaction request one or more transaction parameters; and selecting a destination node from the plurality of destination nodes based on one or more of the transaction parameters and the DFV of the at least one destination node.

Abstract: A system and method of routing transactions within a computer network, by at least one processor may include: receiving a transaction request to route a transaction between a source node and destination node of the computer network; identifying a plurality of available routing paths for propagating the transaction between the source node and destination node; obtaining transaction parameters for each available routing path; receiving a set of preference weights including one or more preference weights, each corresponding to a transaction parameter; selecting one or more routing paths from the plurality of available routing paths, based on the one or more transaction parameters and respective preference weights; producing a routing scheme, comprising an ordered list of the one or more selected routing paths, according to the received set of preference weights; and routing the requested transaction through nodes of the computer network according to the routing scheme.