SECURE TRANSACTION UNIT, TOKEN REFERENCE REGISTER, ELECTRONIC PAYMENT TRANSACTION SYSTEM AND METHOD FOR REGISTERING OF TOKEN

    公开(公告)号:EP4435699A1

    公开(公告)日:2024-09-25

    申请号:EP23020143.6

    申请日:2023-03-21

    发明人: Hupel, Lars

    IPC分类号: G06Q20/06 G06Q20/36

    摘要: The invention relates to a secure transaction unit. The invention also relates to a token reference register. The secure transaction unit (TU) comprising:
    - means for receiving and transmitting one or more tokens (T), wherein each token (T) comprises at least a monetary value (v), a private key (r) of a token-individual key pair, and a token-type information as token elements; and
    - control means configured to cause a direct exchange of one or more tokens (T) with one or more other secure transaction units (TU) in the electronic transaction system (TS), and to send one or more registration requests (RR) including token references (TR) to a token reference register (T-Reg) of the electronic transaction system (TS) for registering the tokens (T) in the electronic payment transaction system (TS),
    - wherein each token reference (TR) comprises the monetary value (v) of the assigned token (T), a public key (R) corresponding to the private key (r) of the token-individual key pair, and the token-type information of the assigned token (T) as token reference elements and wherein each token reference (TR) being uniquely assigned to a token (T).

    LOW SECURITY LEVEL TRANSACTION UNIT, HIGH SECURITY LEVEL TRANSACTION UNIT, ELECTRONIC TRANSACTION SYSTEM AND METHOD FOR EXCHANGING TOKEN

    公开(公告)号:EP4462336A1

    公开(公告)日:2024-11-13

    申请号:EP23020212.9

    申请日:2023-05-08

    发明人: Hupel, Lars

    IPC分类号: G06Q20/36

    摘要: The invention relates to a low security level secure transaction unit. The invention relates to a high security level transaction unit. The invention also relates to an electronic transaction system in particular an electronic transaction system. The invention also relates to a method for exchanging tokens. A low security level transaction unit (TU low ) for managing transactions in an electronic transaction system (TS), transactions comprising a token exchange, the transaction unit (TU) comprising:
    - means for receiving one or more tokens (T) from another transaction unit (TU high , TU low ) in a transaction within the electronic transaction system (TS); and
    - means for permanently storing a security level indicator (SLI), the security level indicator (SLI) being configured to indicate the low security level of the low security level transaction unit (TU low ),
    wherein the security level indicator (SLI) being transmitted prior to a token exchange with the other transaction unit (TU high , TU low ) in an offline transaction scenario.

    SECURE TRANSACTION UNIT, TOKEN REFERENCE REGISTER, ELECTRONIC PAYMENT TRANSACTION SYSTEM AND METHOD FOR REGISTERING OF TOKEN

    公开(公告)号:EP4451192A1

    公开(公告)日:2024-10-23

    申请号:EP23020191.5

    申请日:2023-04-20

    发明人: Hupel, Lars

    摘要: The invention relates to a secure transaction unit (TU) for managing payment transactions in an electronic payment transaction system (TS), the secure transaction unit (TU) comprising: means for receiving and transmitting one or more tokens (T) to one or more other secure transaction unit (TU) in the electronic payment transaction system (TS) to cause an exchange of the one or more tokens (T) between secure transaction units (TU) in the electronic transaction system (TS), wherein each token (T) comprises at least a monetary value (v) and a private key (r) of a token-individual key pair; means for transmitting one or more registration requests (RR) to a token reference register (T-Reg) of the electronic transaction system (TS), wherein each registration request (RR) comprises one or more token references (TR) to be stored in the token reference register (T-Reg), each token reference (TR) being uniquely assigned to a token (T) in the electronic payment transaction system (TS); wherein one or more token references (TR) of a registration request (RR) comprises the monetary value (v) of the assigned token (T), a reference, preferably a public key (R) corresponding to the private key (r) of the token-individual key pair, and a transaction unit group identifier (TUGI) as token reference elements. The invention also relates to a token reference register. The invention also relates to an electronic transaction system in particular an electronic payment transaction system. The invention also relates to a method for registering tokens in a token reference register.