Speaking Cryptocurrencies is talking about an alternative currency, or specifically from a digital currency.

Around 1998, Nick Szabo created the "Golden Bit."

The first decentralization cryptocurrency was a bitcoin created in 2009 by pseudonymous developer Satoshi Nakamoto.

In October 2011, was the first successful cryptocurrency to use scrypt.

Although now many other cryptocurrencies have been created.

I think so! Thanks @surfyogi!