Cryptocurrency exchange and data analytics firm Arkham Intelligence announced on Saturday that it will offer spot cryptocurrency trading to users in 17 U.S. states starting March 1. The move follows on from Arkham's announcement in November of the launch of a USDT-based perpetual coin exchange. Users in Colorado, Hawaii, Indiana, Iowa, Kansas, Michigan, New Hampshire, New Jersey, South Carolina, Tennessee, Utah, Virginia, Wyoming, Wisconsin, California, Massachusetts and Montana will be able to conduct spot trading.