© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2022
S. GomzinCrypto Basicshttps://doi.org/10.1007/978-1-4842-8321-9_10

10. How Crypto Exchanges Work

Slava Gomzin1  
Frisco, TX, USA

Civilization is the process of setting man free from men.

—Ayn Rand. The Fountainhead. 1943

Aqua regia (from Latin “royal water”), a mixture of three parts of hydrochloric acid and one part of nitric acid, is the only chemical substance with a unique and remarkable ability to dissolve precious metals such as gold and platinum. I am sure there are a lot of amusing tales related to aqua regia, but there is one interesting story that I think is somewhat related to our topic, not directly, of course.

When the Nazis occupied Denmark ...

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