Abstract: Example embodiments of systems and methods for data transmission system between transmitting and receiving devices are provided. In an embodiment, each of the transmitting and receiving devices can contain a master key. The transmitting device can generate a diversified key using the master key, protect a counter value and encrypt data prior to transmitting to the receiving device, which can generate the diversified key based on the master key and can decrypt the data and validate the protected counter value using the diversified key.

Abstract: A contactless card with power harvesting unit is described. The power harvesting unit is configured to harvest power from near field communication radio wave fields and supply power to a memory, processor, and communication circuit of the contactless card. In some embodiments, the contactless card may also include a capacitor for smoothing out power deliver or a rechargeable battery. The contactless card is configured to establish two-way communication with a secondary device and to store and execute applets. In some embodiments, the contactless card is a payment card which contains information associated with a primary profile and a secondary profile. The secondary profile may be activated using two-way communication if the primary profile is deactivated due to fraudulent activity.

Abstract: Example embodiments of systems and methods for data transmission in a contactless card and client application are provided. The contactless card comprises a visual display, processor, and a memory which includes a first applet, unique identifier, and value. A client application comprises instructions for execution on a client device, and is in data communication with the contactless card via one or more communication fields. The contactless card may display the value, the unique identifier, and a first status on the visual display. The first applet may transmit data to the client application in response to one or more gestures by the contactless card within at least one of the fields. The client application may authenticate the received data. The contactless card may update the display via the one or more fields based on the authenticated data, and change the first status to a second status based on the updated display.

Abstract: Example embodiments of systems and methods for preventing chip fraud are provided. A chip fraud prevention system may comprise a device including a chip, wherein the chip is at least partially encompassed in a chip pocket. One or more connections may be communicatively coupled to one or more surfaces of the chip, and a capacitance member may be coupled to a surface of the chip. The capacitance member may comprise a known capacitance value and the chip may comprise a memory containing an applet, wherein the applet is configured to measure the capacitance value of the capacitance member.

Abstract: Various embodiments for contextual tapping engines. For example, an application executing on a computing device may authenticate credentials associated with an account and detect a tap of a contactless card to the computing device. The application may receive, from a communications interface of the contactless card, action data used to determine an action associated with the tap of the contactless card to the computing device. The application may determine a context of the application based on a current output of the application. The application may determine, based on the action data, the determined context, and data associated with the account, a first action associated with the tap of the contactless card to the computing device, the first action associated with at least one of the application and an operating system (OS). The application may initiate performance of the first action based on the tap of the contactless card.

Abstract: A contactless card with power harvesting unit is described. The power harvesting unit is configured to harvest power from near field communication radio wave fields and supply power to a memory, processor, and communication circuit of the contactless card. In some embodiments, the contactless card may also include a capacitor for smoothing out power deliver or a rechargeable battery. The contactless card is configured to establish two-way communication with a secondary device and to store and execute applets. In some embodiments, the contactless card is a payment card which contains information associated with a primary profile and a secondary profile. The secondary profile may be activated using two-way communication if the primary profile is deactivated due to fraudulent activity.

Abstract: Example embodiments of systems and methods for card production are provided. A card may include processing circuitry including a chip and memory. The card may include one or more antennas in communication with the chip. The card may include a first layer of material aligned within a perimeter of the card via laminate encapsulation. The first layer of material may comprise a non-rectangular shape. The first layer of material may be offset with a shape of the card. The first layer of material may be in communication with the chip. The first layer of material may comprise at least one selected from the group of steel, tungsten, titanium, or any combination thereof. The card may be compliant with one or more form factors.

Abstract: Example embodiments relate to performing activation techniques for contactless cards. For example, embodiments may include performing a near-field communication (NFC) exchange with a contactless card, processing a message comprising data to activate the contactless card, communicating the data to a server to activate the contactless card; and receiving a response from the server, the response to indicate whether the contactless card is successfully activated or not successfully activated.

Abstract: A technique of removing material from metal parts referred to as OPECM and a corresponding OPECM processing machine are disclosed. A tool electrode is manufactured for removing material from a target workpiece, and the workpiece and tool electrode are fixed into a processing machine that imparts an oscillatory motion path or profile and applies a voltage through a flowing electrolyte solution. The disclosed technique and processing machine removes material from the surface of the target workpiece through proximal surface dissolution as the workpiece and tool electrode are brought within proximity of one another.

Abstract: Example embodiments of systems and methods for milling patterns for a card are provided. A chip fraud prevention system include a device including a chip. The chip may be at least partially encompassed in a chip pocket. The chip pocket may include one or more shapes. The one or more shapes may include one or more peaks and one or more valleys. One or more connections may be communicatively coupled to at least one surface of the chip. The one or more connections may be placed between at least one of the one or more peaks or one or more valleys.

Abstract: Various embodiments for contextual tapping engines. For example, an application executing on a computing device may authenticate credentials associated with an account and detect a tap of a contactless card to the computing device. The application may receive, from a communications interface of the contactless card, action data used to determine an action associated with the tap of the contactless card to the computing device. The application may determine a context of the application based on a current output of the application. The application may determine, based on the action data, the determined context, and data associated with the account, a first action associated with the tap of the contactless card to the computing device, the first action associated with at least one of the application and an operating system (OS). The application may initiate performance of the first action based on the tap of the contactless card.

Abstract: Various embodiments are generally directed to techniques to provide an orientationless transaction card. Embodiments include a transaction card having a substrate comprising one or more laminated layers and a chip comprising processing circuitry, and memory, the chip embedded within the substrate. The transaction card may also include a first contact pad coupled with the chip, the first contact pad embedded on a first side of the substrate at a first location and a second contact pad embedded on the first side of the substrate at a second location. Further, the transaction card includes an antenna embedded within the substrate, the antenna to couple the chip with the second contact pad.

Abstract: Systems and methods for overmolding a card are provided. A chip fraud prevention system include a device including a chip and a substrate. The chip may be at least partially encompassed in a chip pocket, and the substrate may be at least partially encompassed by the overmold.

Abstract: Example embodiments of systems and methods for data transmission system between transmitting and receiving devices are provided. In an embodiment, each of the transmitting and receiving devices can contain a master key. The transmitting device can generate a diversified key using the master key, protect a counter value and encrypt data prior to transmitting to the receiving device, which can generate the diversified key based on the master key and can decrypt the data and validate the protected counter value using the diversified key.

Abstract: Systems and methods for overmolding a card are provided. A chip fraud prevention system include a device including a chip and a substrate. The chip may be at least partially encompassed in a chip pocket, and the substrate may be at least partially encompassed by the overmold.

Abstract: System and methods of contactless card authentication systems include a contactless card and a client device having an application, a processor, and a card reader. An application on the client device receives a transaction lockdown request, sends a request to the server to begin to allow a transaction approval within a time period, receives the transaction approval via an authentication tap from the contactless card, sends the transaction approval to the server; and receive an allowance or disallowance response from the server.

Abstract: A contactless card with power harvesting unit is described. The power harvesting unit is configured to harvest power from near field communication radio wave fields and supply power to a memory, processor, and communication circuit of the contactless card. In some embodiments, the contactless card may also include a capacitor for smoothing out power deliver or a rechargeable battery. The contactless card is configured to establish two-way communication with a secondary device and to store and execute applets. In some embodiments, the contactless card is a payment card which contains information associated with a primary profile and a secondary profile. The secondary profile may be activated using two-way communication if the primary profile is deactivated due to fraudulent activity.

Abstract: Example embodiments of systems and methods for data transmission system between transmitting and receiving devices are provided. In an embodiment, each of the transmitting and receiving devices can contain a master key. The transmitting device can generate a diversified key using the master key, protect a counter value and encrypt data prior to transmitting to the receiving device, which can generate the diversified key based on the master key and can decrypt the data and validate the protected counter value using the diversified key.

Abstract: Example embodiments of systems and methods for creating a chip fraud prevention system with a fraud prevention fluid are provided. A chip fraud prevention system includes a device including a chip. The chip may be at least partially encompassed in a chip pocket which contains a fraud prevention fluid. The fraud prevention fluid may be contained in a capsule or implemented as an adhesive. One or more connections may be communicatively coupled to at least one surface of the chip. The one or more connections may be placed in close proximity and/or in contact to the fraud prevention fluid.

Abstract: In certain embodiments, a sensory indication may be generated on a transaction card. In some embodiments, an input signal associated with a purchase (executed using a transaction card) may be received. Based on the input signal, a timer for an event related to the purchase may be initiated. An output component of the transaction card may be activated when the timer expires. In some embodiments, the input signal may include information specifying a desired indication related to the event, a given output component for generating the desired indication, or other data.