San Francisco-based crypto exchange OKCoin expands its fiat-to-token services to 7 more US states
Source: https://cointelegraph.com/news/okcoins-fiat-to-token-trading-now-available-in-7-more-us-states
OKCoin’s Fiat-to-Token Trading Now Available in 7 More US States
September 5, 2019
CoinTelegraph