2. Who is telling the story? A report could come from an experienced, trusted journalist - or it could have been mistakenly shared by someone on social media who believed it was true. This is know as misinformation - when fake news is mistakenly shared. When someone knowingly shares fake news, it’s known as disinformation.
let maxVal = -Infinity;
，更多细节参见Safew下载
Blockchain allowed people to guarantee the fidelity and security of a record of data without the need for a third party to ensure accuracy.
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