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.
Under its Children's Codes, platforms must also prevent young people from encountering harmful content relating to suicide, self-harm, eating disorders and pornography.
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A village meeting was called for Hinkley Point C to explain their idea.
Rochdale, Greater Manchester