XBT Provider has issued the world’s first bitcoin tracker to be used on a regulated exchange; Mexican Bitcoin Exchange Volabit launches ‘Whatsapp Personal Assistant’ and more top stories for May 18. World’s first ‘bitcoin tracker’ goes live on a regulated exchange XBT Provider has become the first issuer of the world’s first Bitcoin tracker to be traded on a regulated exchange. The company, which is a public limited liability company incorporated under Swedish law, says this will make it easy for entities and individuals to trade in bitcoin. XBT Provider: “We are proud to offer the world’s first “Bitcoin tracker” …