How JPMorgan Chase is prepping for Q Day

The bank is developing algorithmic models that will be ready to take advantage of quantum computers when they become powerful and reliable enough to use. It’s also taking steps to defend itself against the day cybercriminals can harness quantum computing to break the encryption protocols everyone uses.

Block to refocus Cash App; stablecoin pay expands

The payments company is pulling Cash out of the U.K. as it tries to expand the peer-to-peer app in the U.S.; firms in Hong Kong and Australia try to make stablecoin transactions global; and more.

Visa’s CEO swipes at interchange settlement dismissal

A federal judge recently rejected an agreement on transaction fees, ensuring that a multi-year battle between the credit card companies and merchants will continue. Ryan McInerney vented during Tuesday’s earnings call.