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The author of the tweet argues that in order to use bitcoin, people should not be required to know or comprehend theories and technologies on which bitcoin is standing. He claims that for bitcoin to be successfully adopted, it needs to be simplified to such extent when people don't bother to know how it works, why it works, what purposes it was created for, etc.
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This is the part where I totally agree with the author. It is not necessary for people to know how bitcoin works. I mean it is good if they want to learn, but it isn't mandatory for them to lean. If you start teaching them what blockchain is and the technology behind it, they will start thinking it is a complex way of making payment. Instead they should be taught the very basics like how to keep a wallet secure, how to send and receive coins and what fees are.
There are tons of people out there that doesn't know how Paypal works (the technology and mechanism behind it), yet they can still send and receive payments without any problem.