Are cryptocurrencies safe? As a virtual currency, crypto trading is an investment method that can be used as a means of payment on the internet. In crypto, there are complex cryptographically guaranteed passwords that will protect and maintain the security of this digital currency. If you are interested in using crypto as a means of payment, you can’t just use it. Before making a payment, first, make sure the seller or merchant where you shop accepts digital currency payments. So, you can’t just choose crypto even though this digital currency is designed for digital payments. The term cryptocurrency investment is a combination of two words, namely cryptography which means secret code, and currency which means currency.