Technical Definition
Parent Key
A parent key is a key in an HD-wallet hierarchy from which one or more child keys are derived.
By Crypto University Editorial
BIP-32Extended Private Key (xprv)Derivation path
✦ Key Insight
It helps users understand deterministic wallet structure and account separation.
✕ Common Misconceptions
Compromise of a high-level parent private key can expose descendant keys beneath it.
Detailed Explanation
It can be private or extended depending on the derivation method.
In Practice
“An account-level extended key derives many address-level child keys.”
Dig Deeper
Private Key
The secret number that authorises spending from a crypto address.
Wallet
Software or hardware that stores your private keys and lets you sign transactions.
Derivation path
A derivation path identifies where a particular key or account is generated within a hierarchical deterministic wallet's key tree.
Extended Private Key (xprv)
An extended private key can derive a hierarchy of child private and public keys for an HD wallet branch.