What Is A Private Key?


Jake Morr


August 25, 2023

In Bitcoin, a private key is a secure cryptographic number linked to a specific address, enabling its holder to authorize transactions. Each Bitcoin wallet has at least one private key, but users often interact with a seed phrase, which encodes this key's information. Given its pivotal role in Bitcoin ownership, it's crucial to safeguard private keys—digitally in a wallet, written on paper, or etched in steel.

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