Unreferencing should put the object back onto its free list
Accuracy is increased because there is no human involvement in the verification process.
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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.
据环球网消息，2月26日，微信员工“客村小蒋”透露，微信已上线一项新功能：用户长按聊天里的图片、视频或文件，可通过“查看该图片/视频/文件包含的聊天”，查看其在多少个聊天中被使用。该功能同时明确提示：同一图片、视频和文件在多个聊天使用时，不会重复占用存储空间。微信团队表示，此举是从界面上让用户直观感知，文件只是被多次引用，并非重复存储，以此缓解用户对手机存储空间的顾虑。（环球网）
In his letter, Miliband said the government's modelling "accounts for potential emissions from data centres through our projection of overall electricity demand growth, which reflects broader economic trends".