Free spam call blocker

This number first time was called to me regarding about my old invesment. To give me back my money in crypto currency wallet. They ask open swissborg account to mange my money from there. But i have no idea for they real or fake. They sending also email also, about explain about money withdrawal and fees. They will fees collet after my money or crypto currecny coming in wallet address. But very doubt full to me thinking like a scam. Any one have idea for this please write me my email address dip