Popular Articles
Concepts
16.10.2026
USB4 Version 2.0: Beyond the 80Gbps Label
USB4 Version 2.0 raises headline bandwidth numbers, but real performance depends on link modes, cable ratings, host controller support, and how devices share lanes. This article explains what the 80Gbps claim covers, what changes in Version 2.0, and why 40Gbps or less can still be normal. Readers will learn how to check device specs, interpret USB4/Thunderbolt signaling, and choose cables and docks that match their real workloads.
Concepts
10.10.2026
What Is PCI DSS 4.0.1 and Who Does It Affect?
PCI DSS 4.0.1 is a security standard for organizations that handle payment card data. This guide explains what the version change means, which systems and roles fall under scope, and how requirements map to real controls like access control, logging, vulnerability management, and encryption. It’s for merchants, service providers, and IT teams who need practical next steps, plus readers who want to interpret compliance claims without guesswork.
Concepts
04.10.2026
HDR10+ and How Dynamic Metadata Works
HDR10+ is a high dynamic range video format that uses dynamic metadata to guide how each scene or frame should be tone-mapped for a TV or projector. This matters for viewers who notice washed-out highlights or crushed shadows. This article explains how HDR10+ differs from static HDR, what “dynamic” means in practice, how devices read metadata, and how to check support on common playback setups. You’ll also get realistic examples, a decision checklist, and common mistakes to avoid.
Concepts
28.09.2026
What Is WebAuthn and How Passkeys Use It
WebAuthn is the technology that makes passkeys possible, letting you sign in with biometrics or a device approval instead of a password. This article is for anyone who wants clear, hands-on guidance on using passkeys across common accounts and browsers while keeping security settings in good shape. We’ll walk through how WebAuthn works behind the scenes, how passkeys change the normal login process, which devices, platforms, and standards you should pay attention to, and what to do if you lose access, switch devices, or run into confusing prompts during sign-in.
Concepts
22.09.2026
What Is End-to-End Encryption Really Protecting?
End-to-end encryption (E2EE) is often described as “private by default,” but its protection depends on where keys live and what happens before and after messages are encrypted. This article explains what E2EE actually guards against, where it does not, and how to evaluate real-world apps used for health-related communication. You’ll learn practical checks for key verification, metadata exposure, account recovery risks, and safer habits for everyday use.
Concepts
16.09.2026
What Is EUDI Wallet and What Does It Store?
EUDI Wallet is a digital identity wallet used in Europe to hold verifiable credentials and identity data for online and in-person services. This guide explains what the wallet stores, how it differs from a phone number or payment app, and what data stays on your device versus what is shared. Readers will learn how credentials work, what to check in settings, and how to reduce privacy and fraud risks when using EUDI Wallet.
Concepts
10.09.2026
Matter and How Smart Homes Interoperate
Matter is a common smart-home language that helps devices from different brands work together. This guide explains what Matter is, how it uses IP networks, and what “interoperability” means in practice. It also covers common setup failures, privacy and security tradeoffs, and a decision checklist for choosing hubs, controllers, and devices. Readers will learn how to verify compatibility and troubleshoot pairing.
Concepts
04.09.2026
Bluetooth 6.1 Channel Sounding Explained
Bluetooth 6.1 Channel Sounding is a feature that helps devices estimate distance and relative position using controlled radio signals. This article explains how channel sounding works, what it depends on, and why results vary by environment. It’s for readers evaluating Bluetooth-based tracking, hearing-aid streaming, or proximity features in phones and accessories. You’ll learn the signal path, typical use cases, practical checks, and common mistakes that lead to misleading distance readings.
Concepts
29.08.2026
USB4 and How 80Gbps Works
This article explains how USB4 and Thunderbolt 4 differ for real-world device connections, focusing on speed limits, cable requirements, and compatibility with docks, monitors, and storage. It helps readers who buy laptops, external SSDs, and docking stations avoid mismatches that cause slower transfers or no video. You’ll learn what the standards actually guarantee, how to check ports and cables, and what to test before returning hardware.
Concepts
23.08.2026
What Is Wi-Fi 7 MLO and Why It Matters
Wi‑Fi 7 MLO (Multi‑Link Operation) helps devices use multiple Wi‑Fi links at once to improve speed, reduce lag, and handle interference better. This guide explains how MLO works, what depends on hardware and router support, and where real-world gains show up. You’ll learn practical ways to check compatibility, tune settings, and set expectations for streaming, gaming, and downloads—without assuming every upgrade delivers the same results.