CCXT can plug into exchanges running solely within the darknets... https://github.com/ccxt/ccxt A JavaScript / Python / PHP library for cryptocurrency trading and e-commerce with support for many bitcoin/ether/altcoin exchange markets and merchant APIs. The **CCXT** library is used to connect and trade with cryptocurrency exchanges and payment processing services worldwide. It provides quick access to market data for storage, analysis, visualization, indicator development, algorithmic trading, strategy backtesting, bot programming, and related software engineering. It is intended to be used by **coders, developers, technically-skilled traders, data-scientists and financial analysts** for building trading algorithms. Current feature list: - support for many cryptocurrency exchanges <E2><80><94> more coming soon - fully implemented public and private APIs - optional normalized data for cross-exchange analytics and arbitrage - an out of the box unified API that is extremely easy to integrate - works in Node 10.4+, Python 3, PHP 5.4+, and web browsers