Sophiala
@sophiala
"Blockchain will enhance the traceability of goods in commerce." https://i.pinimg.com/236x/3d/bc/5b/3dbc5b87c6a5ec088b9531d932f00ecd.jpg
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Minh Khôi
@minhkhoi821
Kaput! Cảm ơn người đã chia sẻ những kiến thức giá trị!
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