TikTokhascomeunderscrutinyafterbeingaccusedofpotentiallyoperatingasanunlicensedcryptocurrencyexchangeintheUK.TheallegationsweremadepublicbytheUSattorney’sofficeinalettersenttotheUK’sFinancialConductAuthority(FCA)fromaformercomplianceconsultantforaleadingprivatebank.