IOST Token Price Jumps 50% on Upbit Listing July 25, 2018 Greg Thomson Altcoins, Cryptocurrencies Continue Reading? Join Now! Log In Tags:IOS foundation IOS referral program IOST token IOST/BTC IOST/USD upbit listing Previous Next Author: Greg Thomson Greg Thomson is a full-time crypto writer and digital nomad. He eats ICOs for breakfast and bleeds altcoins. Wherever he lays his public key is his home.