Not the day you're after? Here's the solution to today's Mini Crossword.
在美國人口普查中加入公民身分問題
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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.
（一）违反国家有关规定，将网络线路、电话线路出租他人使用的；