According to Odaily Planet Daily, the UK Financial Conduct Authority (FCA) has issued more than 1,000 warnings to crypto companies since the financial promotion rules came into effect on October 8 last year. Under the new rules, crypto companies must register with the FCA before they can promote to UK customers. Lucy Castledine, FCA's director of consumer investment, said these actions resulted in 48 apps being removed from local UK app stores.