Several of the largest US banks, including JPMorgan Chase, Bank of America, Wells Fargo, and PNC Financial, have engaged in preliminary discussions about acquiring a debit card network owned by Fiserv. This potential move aims to alter the current structure of debit card fees by allowing banks to gain greater control over transaction processing, thereby reducing their dependence on external networks.

The strategic interest in owning a debit network follows Capital One’s recent high-profile acquisition of Discover, which granted the bank direct ownership of a card network and the ability to operate closer to payment transactions. This trend underscores banks’ efforts to explore ways around existing regulations that limit the fees they can extract from merchants.

Central to this issue is the Durbin Amendment, a provision in the 2010 Dodd-Frank law that restricts interchange fees for banks with assets above a certain threshold when transactions route through third-party networks. However, owning the network that processes those transactions may exempt banks from these fee caps, providing a financial incentive to pursue such acquisitions.

Fiserv, which owns the STAR and Accel debit networks that handle millions of transactions, has seen its shares decline recently, possibly creating an attractive opportunity for buyers. Securing control of these networks would give major banks increased leverage in the payments ecosystem, allowing them to potentially increase revenues from debit card transactions.

Despite the financial appeal, bank executives voice concerns about potential political and regulatory pushback. Merchants champion lower interchange fees as a means to keep consumer costs down, while banks argue that fee limits have cut revenue streams traditionally used to fund services like free checking and rewards programs. A transaction of this kind could reignite longstanding debates over the balance between merchant costs and banking revenue.

These talks, though still tentative and with some banks already opting out, highlight how financial institutions are actively seeking new advantages amid the rapid evolution of payments technology, driven by advances in crypto and FinTech innovation.