https://www.foxnews.com/media/discov...starting-april

The company behind Discover credit cards will reportedly be joining a larger initiative to track when cardholders make purchases at gun stores.

"Discover Financial Services (DFS.N), a provider of credit cards, told Reuters it will allow its network to track purchases at gun retailers come April, making it the first among its peers to publicly give a date for moving ahead with the initiative, which is aimed at helping authorities probe gun-related crimes," Reuters reported.

As was discussed last year, it looks like cash is still king.