Must-reads for August 31, 2018 (Labor Day Weekend): Ethereum futures, missing petros, useless bitcoins, Walmart robots, and more

Cboe, the exchange group behind the first market for bitcoin futures, is telling market makers that ether futures will soon be live (Business Insider) A source has told Business Insider that the CBOE, which launched the first U.S. regulated futures on bitcoin, is looking to launch an ether-based futures contract as soon as December. As of last week, the total open interest in the CBOE’s bitcoin contract equaled only 4,069 BTC, or a little more than $28 million.   Special Report: In Venezuela, new cryptocurrency is nowhere to be found (Reuters) The Venezuelan government’s much-hyped oil-backed cryptocurrency known as the petro is tough to find. It’s not in exchanges and…