fake crypto-money

Crypto-exchange platforms are producing fake crypto money and it's not a good news.

# How crypto exchange platform can use your fake account deposit. A

When i am using my coinbase account, i can make a transfer between external wallet and my coinbase account wallet. Good. And it's normal. It means that the blockchain of each currency is used to process the payment.

But they have another option where you can convert between crypto-currencies inside your own coinbase portfolio