What is a blockchain? What is the use of blockchain?

It is difficult for newcomers to understand the orthodox answer. Brother Shu is committed to explaining the blockchain to Xiaobai, so I will come to a version that Xiaobai can understand.

Blockchain is the second stage of the Internet, so it can basically be divided into Internet technologies.

The biggest feature of the traditional Internet is that it eliminates the boundary of information, and can copy data into countless copies at low cost and transmit them to any node, but it has the following disadvantages:

Blockchain has solved the above problems well.

As we can see from the above,

What is the use of blockchain?

Like the Internet, it belongs to the underlying technology, which means that other technologies can be combined with blockchain for various applications. What you can see now is:

You got it?

Shu Ge explained that the blockchain moved from Xiaobai to a proficient creator, focusing on Xiaobai's understanding of the blockchain.