Straight answers about hardware wallets and crypto security

教程

Practical guides from the team that sells and supports these devices every day — how to choose one, how to set it up, and how to keep your recovery phrase safe.

A warning every Trezor user should read

A warning every Trezor user should read

A customer's connection problem turned out to be a fake Trezor site found through Google, asking for their 24 words.

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Illustration of blocks linked in a chain, representing blockchain technology

What is blockchain technology? Explained with an Amazon purchase

A plain-language explanation of what a blockchain actually is, how a block gets added, and why it is hard to tamper with — walked through using an ordinary online purchase.

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What is LoRaWAN, and how does it relate to IoT?

What is LoRaWAN, and how does it relate to IoT?

A low-power long-range wireless network built for M2M and IoT — 15 to 20 km range, millions of channels, and over ten years of battery life.

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What is IoT? A rough guide to the Internet of Things

What is IoT? A rough guide to the Internet of Things

Connecting a device to the internet lets it send data, receive data, or both — and that is really all the Internet of Things means.

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BX.in.th is closing — what to do now

BX.in.th is closing — what to do now

bx.in.th announced it would stop trading on 30 September. Where to keep your digital assets, and where to trade instead.

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What is IoT? A simple explanation

What is IoT? A simple explanation

If it has an on/off switch, it can probably be part of the Internet of Things. What that means for how we live and work — and the security questions it raises.

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Examples of IoT technology in the age of Agriculture 4.0

Examples of IoT technology in the age of Agriculture 4.0

Precision farming, sensors and automated irrigation — how connected devices help farmers cut waste and raise yields.

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What is NB-IoT, and how will it change farming and business?

What is NB-IoT, and how will it change farming and business?

A low-power wide-area network built to connect devices anywhere — including deep underground and inside buildings where ordinary signals cannot reach.

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Two Ledger Nano hardware wallets on a cutting mat, photographed in black and white

How to spot a tampered hardware wallet

A tampered wallet is the one attack that works even on careful people. Here is what to check on the box, the device and the recovery card — and why Ledger deliberately has no security seal.

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