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Privacy
Address reuse, extended public keys and keeping your holdings to yourself.
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Explainer
Does reusing a bitcoin address hurt my privacy?
Why every payment to the same address links your history together, why wallets hand out a new address each time, and what Bitcoin Core does about it.
3 min read
Explainer
What an xpub reveals, and when it is safe to share one
An extended public key cannot spend your coins, but it shows every address and payment of an account, and in one case it can help expose a private key.
3 min read