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.

Crypto for absolute beginners, explained through the stock market

Crypto for absolute beginners, explained through the stock market

If you have never invested in anything, crypto can look like a black hole. Here it is explained the long way round — starting from shares, which most people already understand.

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Bitcoin basics for beginners

Bitcoin basics for beginners

What Bitcoin is, where to buy it, and the different ways people trade it — with the one habit that matters most for anyone starting out.

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What blockchain has to do with Bitcoin

What blockchain has to do with Bitcoin

Why the two belong together: blockchain is what removes the middleman from a Bitcoin transfer, and what makes the transfer safe to make at all.

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Updating Ledger firmware to 1.4

Updating Ledger firmware to 1.4

What firmware 1.4 added, what to know before updating, and the steps — including how to get out of trouble if the update stalls.

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Trezor discontinues Chrome extension updates

Trezor discontinues Chrome extension updates

Trezor is retiring its Google Chrome extension in favour of Trezor Bridge, and adding WebUSB for people who would rather not install anything.

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Ledger, Trezor, Bitbox and KeepKey compared

Ledger, Trezor, Bitbox and KeepKey compared

A side-by-side comparison table of the four hardware wallets we carried, as it stood in February 2018.

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On the case of a Ledger user being hacked

On the case of a Ledger user being hacked

The Ledger device itself was not compromised. The attack altered what was shown in the browser extension — and checking the address on the device screen defeats it.

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Blockchain and Bitcoin: the technologies that changed finance

Blockchain and Bitcoin: the technologies that changed finance

How Bitcoin and blockchain together removed the intermediary from moving money, and why that made transfers both cheaper and harder to tamper with.

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What is a BIP, and how does a hardware wallet back up from 24 words?

What is a BIP, and how does a hardware wallet back up from 24 words?

BIP32, BIP39 and BIP44 explained, and what actually happens when a hardware wallet turns 24 words into your keys. Nothing is stored on anyone's server.

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