The exchange of cryptocurrencies is a clear use case.

交换加密货币是一个明确的用例。

Then the people that have been holding those cryptocurrencies for financial crime cash out.

然后那些为了金融犯罪而持有这些加密货币的人就会把钱取出来。

There are dozens of cryptocurrencies out there.

除此之外还有数十种。

You must have heard about bitcoin and other cryptocurrencies — those are based on the blockchain technology.

你一定听说过比特币和其他加密货币，这就是基于区块链技术的产物。

Digital currencies are also known as cryptocurrencies.

数字货币也被称为加密货币。

Yes, cryptocurrencies are completely independent of financial institutions and other currencies.

是的，加密货币完全独立于金融机构和其它货币。

But Bitcoins and other cryptocurrencies are digital currencies.

但比特币和其他加密货币是数字货币。

The risk of cryptocurrencies can seem more acceptable.

加密货币的风险似乎更容易接受。

Not all e-commerce sites allow purchases using cryptocurrencies.

并不是所有的电子商务网站都允许使用加密货币进行购买。

But the downside is cryptocurrencies aren't stable.

但不利的一面是，加密货币并不稳定。

Now, Sam, what can you tell us about cryptocurrencies?

萨姆，你能告诉我们关于加密货币的什么东西？

For blockchain, think cryptocurrencies that have grown out of bitcoin.

对于区块链，想想那些从比特币中发展出来的加密货币。

Made possible by Blockchain technology, the most popular cryptocurrencies are virtually mined.

区块链技术使最受欢迎的加密货币成为可能，是借助虚拟技术被挖掘出来的。

There are no practical uses of cryptocurrencies.

加密货币没有实际用处。

You can create Blockchain on your own, without using all of the available cryptocurrencies.

你可以自己创建区块链，而无需使用所有可用的加密货币。

He and his team used evolutionary models to approximate the real-world behavior of cryptocurrencies.

他和团队使用演化模型来模拟加密货币在真实世界的行为。

As the cryptocurrencies value goes up, the gas fees get more and more expensive.

随着加密货币价值的上涨，油费变得越来越贵。

We also have to remember that cryptocurrencies are really hard to use for normal people.

我们还必须记住，加密货币对普通人来说真的很难使用。

And current capitalists are working on cool stuff like cryptocurrencies and geoengineering and plant-based meat.

当今的资本主义者 在研究一些酷炫的东西，比如加密货币、地球工程、植物肉。

But another thing that binds cryptocurrencies right now is that they aren't actually that useful.

但目前绑定它们的另一个因素是这些货币实际上并不是那么好用。