b9_1155what is private key?
the secret that authorises coins to move from an address.
wallets usually create private keys from the seed phrase, so protecting the seed protects the keys. whoever has the key can move the coins.
related words
- custodial a setup where a company, usually an exchange, holds the keys and you hold an account.
- public key / xpub a key that lets a wallet see an account's addresses and balances, but not spend.
- self-custody holding the keys to your crypto yourself, instead of a company holding them for you.
part of the topic after death: free articles, more words and the guide.
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