To be honest, I'm not a big friend of gambling. But it is a way to earn Bitcoins so in order to make this list complete it needs to be mentioned here. However, I won't list any links to gambling sites here. It's fairly easy to research them if you are interested. And if you clicked on some of the above links you probably already came across some Bitcoin gambling sites.
Transactions are verified by network nodes through cryptography and recorded in a public distributed ledger called a blockchain. Bitcoin was invented by an unknown person or group of people using the name Satoshi Nakamoto[9] and released as open-source software in 2009.[10] Bitcoins are created as a reward for a process known as mining. They can be exchanged for other currencies,[11] products, and services. Research produced by the University of Cambridge estimates that in 2017, there were 2.9 to 5.8 million unique users using a cryptocurrency wallet, most of them using bitcoin.[12]
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