The cost of the work by Crawford, and "level of contract spend", is because the volume of claims "has exceeded the anticipated levels", an NHS spokesperson told the BBC.
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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Pak Declares "Open War", Bombs Kabul, Kandahar After Afghanistan Attack
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