We are explaining the difference between proof of work (used in bitcoin, Ethereum, etc) and proof of stake. Ethereum will be switching from proof of work to proof of stake in the next month, so you should be aware of the differences between the two.
Learn more about proof of work and proof of stake:
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![No math in bitcoin [btc]?](https://ohiobitcoin.com/wp-content/uploads/2019/01/0LqUFa.png "No math in bitcoin [btc]?")