With New Rules Coming, Crypto-Firms Told They Will Need to ‘Tread Carefully’ With Promotions; Regulator in Talks With 2 Firms Over AML Failures 10/31/2023 07:17 pm LONDON—The United Kingdom’s Financial Conduct Authority (FCA) has issued a "final warning" to firms promoting cryptoassets to U.K. consumers, telling the companies to prepare for a “cryptoassets financial promotion regime.”