Around 200 of these hands are in use, mostly by researchers at universities and tech firms.
A few years later, in 1998, software developer Nick Szabo proposed using a similar kind of technology to secure a digital payments system he called “Bit Gold.” However, this innovation was not adopted until Satoshi Nakamoto claimed to have invented the first Blockchain and Bitcoin.
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How to watch: Crazy Old Lady will debut on Shudder on Feb. 27.
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