A: Yes, I know. However, Qt is a very robust, cross-platform, and fast application framework. You can use its "Core" library for console apps, servers, etc. It has great network support and other basic things a programmer needs to get stuff done.
A: Because I like capital letters, even on Linux. I also develop (this and other software) for macOS and Windows, and there, the Linux/Unix lowercase thing looks a little out of place. Perhaps my sensibilities have been affected by my win32 and macOS dev work, or perhaps I'm just unconventional. Embrace the lack of convention here! That being said, if the capital 'F' bothers you, feel free to rename it or represent it as 'fulcrum' wherever you like.
A: Yes, Fulcrum is designed to be compatible with both Electrum and Electron Cash. It adheres to the Electrum protocol, making it a versatile server solution for different clients that use this protocol.
A: Ensuring your Fulcrum server is secure is crucial. Use SSL/TLS to encrypt connections, employ strong authentication methods for your JSON-RPC server, and ensure your server is behind a firewall to limit access to authorized users only. Regularly updating the software to incorporate the latest security patches is also essential.
A: Bitcoin Core (bitcoind), Bitcoin Cash Node (bitcoind), Bitcoin Unlimited (bitcoind), Litecoin Core (litecoind)
A: Use nssm to create a Windows service for the executable file.
A: Yes, you can use Axel Gembe's Fulcrum Prometheus exporter.
A: The total number is unknown, but here you can find a list of active monitored servers for BTC, BCH, and LTC.
