 Clay Travis and Buck Sexton on the Frontlines of Truth. Honolulu's News Radio, 830 KHV8. Spelled with a G as in C-O-I-G-N dot com. Coin is a Visa-backed credit card and America's first credit card built by and for conservatives. While other leading credit cards give millions to the left each year, Coin is helping conservatives to align their dollars with their values.