TSE v2.1

Provides tamper-proof transaction recording and signing for legally compliant electronic record-keeping systems.

Overview

Secure every transaction. Simplify every audit.

Eviden TSE v2.1 is a hardware-based Technical Security Device designed for legally compliant, tamper-proof recording of business transactions. Integrated into electronic cash registers, taximeters, and similar devices, it securely records transaction data and provides it to tax authorities in line with German KassenSichV requirements.
The product complies with BSI TR-03153, uses a Cryptographic Service Provider for cryptographic functions, and digitally signs transactions for cash register audits. Based on a microSD card, it integrates with PC or smartphone software and financial management systems, with SD and USB interfaces supported via adapters. The product page describes it as designed and developed in Germany and proven in numerous retail and hospitality businesses across Germany.

Key capabilities

Tamper-proof electronic transaction recording
Digital signing for cash register audits
BSI TR-03153-compliant fiscalization
microSD hardware with adapter-based interfaces
Compatibility with major desktop and mobile operating systems.

Hardware-based secure element for electronic record-keeping systems, with certified cryptographic functions and adapter-supported interfaces to POS and financial systems.

Key features

What sets TSE v2.1 apart

Legally compliant transaction recording

Electronically records transactions completely, unaltered, and tamper-proof for legal fiscalization requirements.
Complies with German KassenSichV requirements and BSI TR-03153 specifications for electronic recording systems.

Digitally signed audit data

Digitally signs recorded transactions so they can be used during cash register audits by tax authorities.

Certified secure element architecture

Uses a microSD-based hardware design with certified cryptographic and secure element components.
Backed by BSI certification under TR-03153 and supported by CSP, SMAERS, Secure Element API, and JCOP 4.7 SE051 compliance artifacts.

Benefits

Improved operational continuity

Reliable legal compliance

Helps operators meet German fiscalization requirements with tamper-proof transaction recording and audit-ready digital signatures.

Easier system integration

microSD-based design plus SD and USB adapter support enables integration with POS software, PCs, smartphones, and financial management systems.

Operational confidence

Successfully deployed across numerous retail and hospitality businesses in Germany, demonstrating proven security and reliability.

Why Eviden

Why choose TSE v2.1

Secure fiscal compliance for transaction systems

Certified under BSI TR-03153 for electronic record-keeping systems
microSD-based hardware architecture with PC, smartphone, and backend interfaces
Broad OS compatibility plus explicit compliance artifact references for CSP, SMAERS, and Secure Element API

Architecture & Integration

Deployment model: Hardware-based Technical Security Device on a μSD (microSD) card
Supported platforms: Microsoft Windows, Apple macOS, Linux, Android, and many more

Key integrations:

Electronic cash registers
Taximeters and similar devices
PC software
Smartphone software
Financial management systems
SD and USB interfaces via adapters

Standards supported: BSI TR-03153, KassenSichV, Cryptographic Service Provider (CSP): BSI-CC-PP-0104-2019 / BSI-CC-PP-0107-2019, Secure Element API: TR-03151, SMAERS: BSI-CC-PP-0105-V2-2020, JCOP 4.7 SE051: BSI-CC-PP-0099-2017

FAQ

Frequently asked questions

Eviden TSE v2.1 is a Technical Security Device (Technische Sicherheitseinrichtung, TSE) designed for tamper-proof recording and protection of transaction data in electronic record-keeping systems. It enables secure transaction logging, digital signing, and audit-compliant storage in accordance with German fiscal requirements.

Eviden TSE v2.1 is specifically developed to meet the requirements of the German Kassensicherungsverordnung (KassenSichV). The solution is certified according to BSI TR-03153 and carries the certification process ID BSI-K-TR-0591-2024, confirming compliance with Germany’s official technical security standards.

Eviden TSE v2.1 electronically records transactions and digitally signs each record to ensure integrity, authenticity, and auditability. The solution is based on a microSD (μSD) card architecture and supports integration with cash register systems, taximeters, PC software, smartphone applications, and financial management systems through SD and USB adapter interfaces.

Eviden TSE v2.1 supports Microsoft Windows, Apple macOS, Linux, Android, and additional operating systems. The current version is delivered with Eviden-issued digital certificates and has already proven its reliability in production environments across numerous retail and hospitality businesses in Germany.

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