What is an xpub or an extended public key? September 23, 2021 14:53 Updated For a full introduction to extended public keys, please read our blog post about the topic, or learn how to connect your extended public key wallet to Swan. Related articles Does Swan have its own wallet? How frequently can I withdraw from Swan Bitcoin? How do Bitcoin withdrawals work? How do I withdraw my Bitcoin from Swan? Where do I find the extended public key (xpub/ypub/zpub) of my wallet?