The Nexa consensus protocol is a modification of Bitcoin Cash, which is a modification of Bitcoin. This documentation attempts to cover the full Nexa protocol, by leveraging previously written documentation for Bitcoin Cash. Therefore you may occasionally see references to Bitcoin Cash that are no longer applicable. Please notify us on our issue tracker if you discover a problem.
For readers that are familiar with Bitcoin Cash, the “Nexa Blockchain Changes” section contains all Nexa-specific changes.