图为曹家大院西院窗楣砖刻篆字诗句。
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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"But it is the length of the scheme and the landscapes and places that HS2 passed through that make the collection of sites and material so interesting. The research potential from this material is remarkable."
This story was originally featured on Fortune.com