A Digital Transaction Processing Unit (DTPU) including one or more transaction applications operable for a digital transaction with a Digital Transaction Device (DTD), each of the one or more transaction applications being associated with identifying information, the identifying information being capable of identifying a subset of at least one transaction application within the one or more transaction applications, wherein the DTPU is operable, when conducting a transaction with the DTD, to communicate to the DTD the identifying information associated with one of the one or more transaction applications involved in the transaction.

A provisioning agent for provisioning a Digital Payment Device (DPD) which includes a Digital Transaction Processing Unit (DTPU) operable to host one or more transaction applications, the DTPU being further operable to adopt at least one transaction application selected from the one or more transaction applications, the DPD operable for a digital transaction with a Digital Transaction Device (DTD) using the adopted at least one transaction application, the provisioning agent being operable to provide provisioning data to the DPD, the DPD further including apparatus operable to receive the provisioning data, the provisioning data being operable to provide one or more functions to the DPD, the provisioning agent being operable to: prepare one or more first digital objects, receive one or more second digital objects from a second provisioning agent, include at least one of the one or more first digital objects and at least one of the one or more second digital objects in the provisioning data.

A Digital Payment Device (DPD) including a Digital Transaction Processing Unit (DTPU), wherein the DPD includes a first cryptographic key stored in a secure storage area of the DPD, wherein the first cryptographic key matches a second cryptographic key stored on the DTPU, the second cryptographic key being associated with a security domain of the DTPU, wherein the first cryptographic key enables encryption for a digital object, such that the digital object is authenticatable against the second cryptographic key.

A Digital Transaction Processing Unit (DTPU) operable to host one or more transaction applications for digitally transacting with a Digital Transaction Device (DTD), the DTPU including a security hierarchy for hosting the one or more transaction applications, wherein the security hierarchy is configured to host at least one transaction application for transacting in contact digital transactions.

A Digital Transaction Processing Unit (DTPU) operable to host one or more containers, the DTPU further operable to host one or more transaction applications operable for digital transactions with a Digital Transaction Device (DTD), each transaction application derived from one of the one or more containers for installation on the DTPU, wherein the DTPU is operable to reversibly place at least one of the one or more containers into an inactive state such that the at least one container is inoperable to be used to install a transaction application on the DTPU.

A Digital Transaction Processing Unit (DTPU) including a plurality of transaction applications operable for a digital transaction with a Digital Transaction Device (DTD), each of the plurality of transaction applications being associated with a tokenised primary identifier.

A Digital Transaction Processing Unit (DTPU) operable to host one or more transaction applications, the DTPU further operable to reversibly unlock at least one of the one or more transaction applications, wherein each unlocked transaction application is operable for a digital transaction with a Digital Transaction Device (DTD).

A credit card authenticator transceiver apparatus for wirelessly and securely sending funds includes a card body. A magnet strip is coupled to a back side of the card body proximal a top edge. A CPU is coupled within the card body. A battery is coupled within the card body and is in operational communication with the CPU. An auxiliary chip is coupled to a front side of the card body adjacent a left edge. The auxiliary chip is in operational communication with the CPU. A camera is coupled to the card body and extends through the front side. The camera is in operational communication with the CPU. A solar cell strip is coupled to the front side of the card body and is in operational communication with the CPU. A transceiver is coupled within the card body and is in operational communication with the CPU.

Embodiments of the present disclosure provide a device, system, methods and components related to a modular card. Example components of the modular card include a thin rectangular rear plate, a thin rectangular front plate overlying the rear plate, a first plurality of fasteners fixed to the thin rectangular front plate, a second plurality of fasteners fixed to the thin rectangular rear plate, the second plurality of fasteners being configured to be removably engaged with the first plurality of fasteners; a magnetic strip, and/or an integrated circuit. In operation a user may remove and/or replace various components to customize the modular card. Some customizations include altering the accounts to which the modular card relates. In some example, the modular card may include components which relate to different accounts.

An example relates to a method for processing data an on smartcard comprising: (i) obtaining a message; (ii) searching for a rule in at least one file of the smartcard based on the message; and (iii) in case the rule was found, executing the rule.