> "Cryptocurrency" is a large set of currencies, each of which work differently. That's true, which is why the sentence you quoted said "the way THE cryptocurr

> "Cryptocurrency" is a large set of currencies, each of which work differently. That's true, which is why the sentence you quoted said "the way THE cryptocurrency works", not "the way cryptocurrency works". The "the" is a back-reference to the particular cryptocurrency that is being discussed here (Bitcoin). This differentiates it from a general statement about all cryptocurrencies.