Hardware Wallets Explained: Types, Benefits and Safe Setup
What a hardware wallet is, how it compares with a software wallet, the main types, and a step-by-step safe setup: recovery phrase, PIN, passphrase and backup test.
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Verifying a Bitcoin Transaction Before You Sign: PSBT, Outputs and Change
What to check on your hardware wallet when sending bitcoin: outputs, fee and change, how PSBT (BIP 174) helps, and the multisig change trap.
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The Bybit Hack: What a $1.5 Billion Theft Teaches About Signing
In February 2025 Bybit lost about $1.5 billion after signers approved a disguised transaction. What happened, why multisig did not help, and the lessons for everyone.
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Address Poisoning: How a Lookalike Address Cost One Trader $68 Million
Address poisoning seeds your history with a lookalike address so you paste the attacker’s. How it works, the $68M WBTC case, and how to protect yourself.
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How to Verify a Transaction on Your Hardware Wallet Screen
A five-point check to run on your hardware wallet before confirming any transaction: full address, amount and asset, network, fee and intent.
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Blind Signing vs Clear Signing: What You See Is What You Sign
Blind signing means approving data your wallet cannot decode. Clear signing shows what a transaction really does on your device screen. Here is why it matters and how to stay safe.
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