http://sparrowa7io5pz6ud3ehqzosvepbxbxt2zphmkjsylp2zgxooko23pqd.onion/docs/quick-start.html
There are 3 ways to connect Sparrow to a server to view your balance, and send and receive transactions: Public server Bitcoin Core node Private Electrum server In this guide, we’ll be connecting to a public server. This means sharing your public key information (and thus your privacy) with whoever is running the server.