Every week, Cointelegraph will do a roundup of all the businesses and the altcoins we have added during the week to our catalogs. As this is the first such piece, we will cover all of the businesses and coins we have added to date. Premium entrants to our two catalogs pay for a full review of their business or their coin. Otherwise, we can post a press release from the business or altcoin developer or community for free. New Businesses Coinarch Coinarch is an online trading platform that lets users leverage their investments and optimize their long or short positions …