Bitcoin is a decentralized digital currency, that has no central authority and not tied to any banks. The system is peer-to-peer and transactions take place between users directly. Before diving into the world of Bitcoin, it is a good idea to read the getting started guide on bitcoin.org.
One of the important pieces of software required when using Bitcoins is a Bitcoin Wallet. On Fedora, there is a new Bitcoin wallet called Electrum that you can use to send and receive Bitcoins.
Electrum is fast, secure and easy to use, and you can install it via GNOME Software or dnf on Fedora 25:
sudo dnf install electrum
Create your first wallet with Electrum
Read the complete guide here.