executium | Trading System for Arbitrage, TWAP and Directional executium is a cryptocurrency trading system that offers 0.002 BTC for free when you sign up, executium works with Binance, Bitstamp, Kraken, Bitmex, Bittrex and Bitfinex and provides all the functionality that these exchanges offer in the way of Limit, Market, TWAP, Arbitrage and TWAP trading strategies.