GLOSSARY
TSE (Technical Security Device)
A certified technical security device that signs German cash register transactions against tampering.
A TSE is a certified technical security device used with German electronic cash registers. It signs transaction data so sales, refunds, and cancellations can be checked for manipulation later. TSE support is a core part of KassenSichV compliance.
The best implementation is almost invisible for staff: transactions are signed automatically, receipts include the required information, and exports are available when accounting or an auditor needs them.
Related
Related terms.
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Acquirer
Bank or payment institution that signs merchants and routes their card transactions into the card networks.
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Apple Pay
Mobile wallet by Apple that tokenizes cards for contactless and in-app payments.
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Card Fraud
Unauthorized card use or theft of credentials to initiate transactions.
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Card Network
Payment network (e.g., Visa/Mastercard) that sets rules and routes card transactions between issuers and acquirers.