Maxine Waters, the top Democrat on the House Financial Services Committee, said she wants answers amid concern that Meta Platforms, formerly Facebook, could be delving back into its digital asset plans. 

The California Democrat sent a letter to CEO Mark Zuckerberg and Chief Operating Officer Javier Olivan on Monday, expressing concern over five trademark applications tied to digital assets that the company has filed over the past year. 

Those applications were for projects including an "online social networking and dating" service which allows for the exchange of digital currency, designing computer hardware and software related to blockchain, "currency trading of cryptocurrencies and other forms of virtual currency," among others. 

Waters has been critical of Meta's …