When it comes to domestic payments, the U.S. financial system still lags the efficiency in several advanced economies. The reasons are easy to find. First, other countries have leapfrogged outdated technologies. In the United States, checks remained dominant well after their technological sell-by date partly as a result of government support. The other key factor delaying a shift to alternative payment mechanisms is the importance of what economists call a network externality. That is, the more people who use one form of payment, the more valuable that method is to the people who are already using it. And, by the same token, the more expensive it is for someone to move away from the prevailing mechanism.

With these considerations in mind, two years ago the Fed convened the Faster Payments Task Force (FPTF), a group of more than 300 experts and interested parties from a wide range of backgrounds with the objective to “identify and evaluate alternative approaches for implementing safe, ubiquitous, faster payments capabilities in the United States.” Earlier this month, the FPTF issued its second and final report, which contains a set of 10 recommendations for making the payments system faster, cheaper and more secure....