U.K.

Facebook's introduction of mobile payments in the U.K. and France is accompanied by the complexity of having to adapt as Brexit unwinds the U.K. from the European Union.

TransferWise Ltd., the London-based international payments firm and one of Europe’s largest financial technology startups, said revenue in the fiscal year through March 2017 has more than doubled, allowing the company to post its first annual profit.

U.K. startup Flux has signed up a few banks for its platform that delivers real-time receipts to mobile banking apps. The problem is that few retailers are interested, and experts say that’s not likely to change any time soon.

Modulr Finance, a U.K. payments application interface provider, is providing a service level agreement for business-to-business payments that guarantees automation for high volumes of complex payments at any time.

TransferWise, one of the fintechs that have challenged old-school banking models for international transactions, is entering a new phase that adds geographies and different markets for its account alternative.

Revolut, the London-based financial technology startup that’s raised more than $86 million in venture capital, said it’s applying for a European banking license to broaden the portfolio of services it offers customers.

Messenger is one of Facebook's most requested services in the U.K. and France, making these markets ripe for the platform's new P-to-P payments capabilities. But in taking the service internationally, Facebook may also reveal its limitations.

Facebook Inc. is enabling people outside the U.S. to send money to each other via its Messenger texting app for the first time.

New York plans to dramatically digitize its subway system, phasing out its iconic MetroCard to install contactless tap-and-go technology, bringing a dose of the 21^st century to a system that dates to 1904 but often feels even older than that.

London is battling other cities, which are trying to use the political uncertainty of the U.K.'s exit from the European Union to lure payment startups and other financial technology companies.