Читать книгу Cryptocurrency Mining For Dummies - Peter Kent - Страница 13

The cryptocurrency story really all begins with the Internet. Digital currencies existed before the Internet was in broad use, but for a digital currency to be useful, you need, well, some kind of digital transportation method for that currency. If almost nobody is using a digital communications network — and until 1994 very few people did — then what’s the use of a digital currency?

But after 1994, millions of people were using a global, digital communications network — the Internet — and a problem arose: How can you spend money online? Okay, today the answer is pretty simple: You use your credit cards, debit cards, or PayPal account. But back in the mid-90s, it was more complicated.