Bitcoin and other Cryptocurrencies have joined the ranks of “Controversial topics with no clear answer.” Today, the average person has no need to use any sort of Blockchain transaction. But at the same time, in 1986 the average person didn’t need a cell phone.

So as all of the machines around us become connected to the Internet, maybe we need an independent way to transfer funds instantaneously without a central regulatory body in the middle. Or maybe not.

I don’t know the answers, but some people think they do. And four of these people have given TED talks. CNBC aggregated these talks together into one convenient page.

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