Blockchain technology was originally invented in 1991 by two mathematicians, Stuart Haber and W. Scot Stornetta. They first proposed the system to ensure that timestamps could not be tampered with.
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5. To manage extensions on the browser, tap the three dots in the upper right corner. Then select Extensions to access a catalog of installed extensions that you can disable, update or remove with just a few clicks.，这一点在heLLoword翻译官方下载中也有详细论述
Meadhainnigh knew very little about development before he joined the project, and he said it’s the first online community he has been a part of. What keeps him going is that community—and to see his and others’ work become a part of a whole.