# How to obtain a wallet public key

### What is a BTC Public Key:

A public key is a core concept in cryptography and plays an important role in the Bitcoin network. It is a mathematical result generated from a private key using the Elliptic Curve Digital Signature Algorithm (ECDSA), specifically the secp256k1 curve.

**For more details:** [<mark style="color:blue;">**What is a Public Key**</mark>](/en/wallet-faq-en/btc-wallet/public-key.md)

### To view the BTC wallet public key in TokenPocket:

1. Open TokenPocket and click on the \[Details] menu. In the wallet details, click on \[Advanced Mode].

<figure><img src="/files/LJMoRaWpbA4E4lHAiwPu" alt=""><figcaption></figcaption></figure>

2. Click on Advanced Mode and select \[Public Key]. You will see a QR code and its content related to the public key. Click to copy the BTC address public key, which can be used in a BTC multi-signature wallet.

<figure><img src="/files/97utmoLiHiD4hgMOnQ7Z" alt=""><figcaption></figcaption></figure>


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