Security and privacy
Recognize scams, protect recovery phrases, secure access, and protect privacy when using Bitcoin.
Card 118 · Explorer
When can it be appropriate to enter your seed phrase?
Card 119 · Explorer
Someone claiming to be support contacts you and asks for your seed phrase. What should you do?
Card 120 · Explorer
What adds protection to an exchange account?
Card 121 · Explorer
Which combination is a clear warning sign of possible investment fraud?
Card 122 · Explorer
Why should you check a Bitcoin payment carefully before sending it?
Card 123 · Explorer
Someone promises: 'Send bitcoin and you will get twice as much back.' What should you do?
Card 124 · Navigator
Why can it be risky to keep a photo of your seed phrase on your phone or in the cloud?
Card 125 · Navigator
How can you reduce the risk of sending bitcoin to a tampered address?
Card 126 · Navigator
Why is Bitcoin considered pseudonymous rather than automatically anonymous?
Card 127 · Navigator
What can happen if an exchange knows your identity and you reuse the same Bitcoin address?
Card 128 · Captain
What can you choose with Coin Control in a Bitcoin wallet?
Card 129 · Captain
What is CoinJoin used for in Bitcoin?
Card 130 · Captain


