Robinhood's @vladtenev says their Gold Card will cross 1 million cardholders and $100M ARR this year, and that current cardholders are already generating $15B in annual transaction volume. "Pretty much everyone in the country wants this credit card," he said. He also addressed criticisms about the card's waiting list: "If you look at the rollout, it's on par with the fastest rollouts of other successful credit cards in history." "If you look at the companies that have rolled out faster than…