All cryptocurrencies are Bitcoin or another unit, regardless of their technical characteristics, they are Token. A Token in the context of Bitcoin represents an alphanumeric string that can be a public key or a private key. For example this key publishes 3J98t1WpEZ73CNmQviecrnyiWrnqRhWNLy (multfirm because it starts with a 3) is a Token. A Token in the Bitcoin protocol can be any alphanumeric string that represents a record in the decentralized Bitcoin consensus database.

a token and a currency is that a currency is issued by a local or national authority and is freely exchangeable for goods or other currencies, while a token has a much more limited use and is often issued by a private company, institution, group, association or person, so they are not legal tender money.