X-Only Public Key
An x-only public key is a 32-byte public-key representation used by Bitcoin Taproot and Schnorr-signature constructions.
✦ Key Insight
Understanding X-Only Public Key helps users verify wallet behavior, protect signing authority, recover accounts, and avoid irreversible key-management mistakes.
✕ Common Misconceptions
Treat X-Only Public Key as security-sensitive when it can affect private keys, signatures, wallet permissions, or recovery. Verify software and transaction details before acting.
Detailed Explanation
In Practice
Dig Deeper
Private Key
The secret number that authorises spending from a crypto address.
Public Key
The key derived from your private key that others use to verify your signatures and send you funds.
Wallet
Software or hardware that stores your private keys and lets you sign transactions.
Signature
A cryptographic signature proves that the holder of a private key authorized specific data without revealing the private key itself.
Self-Custody
Holding your own private keys so no company can move, freeze or lose your crypto.