Recently 3 suspects were arrested by Israel police for laundering money internationally through crypto. This money was stolen from France. This is a major international money-laundry.
Cryptocurrency has been used severally for such cases but that doesn’t make it an illegal means of transaction. People tend to use something legal and clean for illegal activity just to make it looks bad to the public and for their benefits gain. Don’t fall for such acts and make conclusions that the use of cryptocurrency poses threat to the society.