The UK Financial Conduct Authority (FCA) has highlighted that Retardio Solana has been promoting and providing financial services or products without permission and has suggested users to avoid dealing with this firm and beware of scams. The regulator noted that firms like Retardio Solana may change their contact details over time and may also give details that belong to another business or individual, so the information looks genuine. FCA confirmed that users who deal with this firm will not have access to the Financial Ombudsman Service in case of any complaint. FCA has urged the users to deal with registered crypto firms.