Straight answers about hardware wallets and crypto security

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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.

COLDCARD Q and Mk5 hardware wallets showing warning screens, over a binary code background

The COLDCARD hack explained: what happened, who is affected, and what to do

A 2021 firmware mistake left some COLDCARD seeds guessable, and attackers have taken over 1,800 BTC since 30 July 2026. How to tell whether your seed is affected, and exactly what to do.

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Where to Store Your Recovery Phrase in Thailand

Where to Store Your Recovery Phrase in Thailand

The paper card in the box is the weakest part of your setup — and Thailand is unusually hard on paper. What actually works, and where to keep it.

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An iPhone running the Tangem app beside two Tangem hardware wallet cards

Which Hardware Wallets Work With iPhone (And Which Don't)

Of the hardware wallets we stock, some work with iPhone and some do not. Here is the full list, why iOS is fussier than Android, and how to choose.

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What is a passphrase? The special feature in Trezor hardware wallets

What is a passphrase? The special feature in Trezor hardware wallets

A passphrase creates an entirely separate wallet from the same seed, is stored nowhere at all, and gives you an answer if you are ever coerced into handing over a PIN.

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Microsoft warns of Cryware, malware targeting hot wallets

Microsoft warns of Cryware, malware targeting hot wallets

A new class of malware that goes after seed phrases stored on connected devices — and why a cold wallet is the answer to it.

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Quiz answers: win a Ledger Nano S Plus at Thailand Crypto Expo 2022

Quiz answers: win a Ledger Nano S Plus at Thailand Crypto Expo 2022

Everything you need to answer the ten questions at our booth: what a wallet is, how a seed phrase differs from a private key, and why the seed matters more than the device.

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What is a seed phrase, and why does it matter so much?

What is a seed phrase, and why does it matter so much?

The questions we get asked most — I wrote it down wrong, I lost it, someone saw it — and what you can actually do in each case.

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What is the Ledger Nano S Plus?

What is the Ledger Nano S Plus?

The successor to the best-selling Nano S: more memory, a bigger screen, and NFT storage. What is in the box and how to set it up.

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What is a YubiKey, and how does it protect your online accounts?

What is a YubiKey, and how does it protect your online accounts?

Why passwords alone are not security, how hardware 2FA differs from SMS and authenticator apps, and what to do if you lose the key.

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