DCA-CardLinx | 2,424 followers on LinkedIn. Trade for Good | DCA-CardLinx is the premier, multi-industry trade association advancing the future of commerce through collaboration, education and standards in card-linking, mobile wallets and financial data. DCA-CardLinx members are global enterprises, mid-sized companies and innovative start-ups in fin-tech, payments, retail, e-commerce and mobile wallets. Members include Rakuten, Mastercard, Collinson Valuedynamx, FIS, VantageScore, Cardlytics, TransUnion, Augeo, Bank of America, and more.