RESOURCES Yet, there are broader technical distinctions between a token and a currency. For instance, a token is a piece of an existing blockchain, whereas a currency is an entire blockchain system in itself. The problem is that the official terminology has become blurred over time, and both crypto-tokens and blockchain currencies are now frequently labelled cryptocurrencies. Another distinction, which was underscored by Castaignet, is that a currency must be a means of exchange. This means tha