Venezuela launches pre-sale of state-sponsored Petro coin, a glitch on Japan-based Zarif exchange allowed users to buy cryptocurrency for $0, top 5 price changes, and more! Advertisements Venezuela’s government has started the pre-sale of its petro (PTR) cryptocurrency, making 82.4 million of the virtual coins available for purchase. Image from Stefano Carella. Venezuela Launches Pre-Sale of Controversial, […]