The Fulcrum protocol is basically the same as ElectrumX and other Electrum-based protocol servers such ElectrsCash. This protocol was initially designed for Bitcoin BTC but has since been adopted by Bitcoin Cash for use with Electron Cash, and continues to evolve independently of BTC. The Bitcoin Cash variant of the protocol is known as the Electrum Cash Protocol.
This documentation is intended to be a reference for client and server authors alike.
.. toctree:: :maxdepth: 1 protocol-basics protocol-methods protocol-changes protocol-removed peer_discovery