Helganara
@helganara
"Blockchain will play a critical role in securing IoT devices." https://i.pinimg.com/736x/75/41/b2/7541b2788c96da7773c2e4a3efbac5ef.jpg
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Nguyễn Quỳnh Trang
@quynhtrang
Oops! Exceptional! @helganara
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