When stored on the blockchain, users can easily look up their own learning-related information and that is a manifestation of transparency.

To increase their competitiveness against multinational companies, Vietnamese logistics and logistics service businesses need to build utilities to meet users' needs for order tracking.

One of the methods to pursue the 4.0 technology trend is to apply Blockchain to create a smart agricultural supply chain. Start with the farmer, end with the consumer.

We will look at the fact that Vietnamese farmers are cultivating and cultivating agricultural products according to traditional methods. This is a bad habit that affects the quality of agricultural products and reduces the value of the product a lot.

Nowadays, the traceability technologies, especially Blockchain traceability are researched and applied by technology companies, but the cost and traceability in the whole cultivation - supply chain remains the same is an issue to consider.

Today, users almost confuse Blockchain technology with Bitcoin and many other cryptocurrencies. At the same time, there are many fake and dangerous business models and business projects about cryptocurrencies that make users look afraid and wary about Blockchain.