MultiChain

The MultiChain API boasts "feeling at home" if you’re familiar with bitcoin.The API has maximal compatibility with Bitcoin Core, the reference client for the bitcoin network.As a fork of Bitcoin Core, MultiChain shares the following technical characteristics: Command-line arguments, Network protocol, JSON-RPC API, Transaction format, Script language, and Block format.The robust documentation offers basics of working with MultiChain such as: "How to create or connect to a blockchain", "Customizing your blockchain parameters and API commands for controlling MultiChain", as well as information about compatibility with Bitcoin Core.