Credit card market entry is just one piece of the strategy as the $974 billion asset investment bank enters U.S. retail banking.

Goldman Sachs is positioned for a 2019 entry into the credit card market. Established issuers should protect their customer base, accelerate their digital capabilities, and prepare for a well-funded, risk-tolerant competitor. This is not a bootstrapped fintech hoping to gain scale. It is Wall Street going Main Street.