Many blockchain networks have their own crypto assets. For example, Bitcoin, Ethereum, Litecoin are examples of these networks. The crypto assets of these networks, such as bitcoin, ether and litecoin, are also called cryptocurrencies. Networks like Ethereum, on the other hand, allow creating crypto assets without building a blockchain network from scratch with various protocols like ERC20. These assets are not called cryptocurrencies, but rather tokens.
If you want to buy a crypto asset, crySee full review