It was not possible for money to remain as a piece of paper in our wall forever in this world where everything is becoming digitized.

In 2009, blockchain technology produced bitcoini. In addition to the 2016 year bitcoin, there were hundreds of subcooling scenes, of which 99% of these subcoins were technologically unsupported.

When we arrived in 2017, the 2nd version of the subcontract that bitcoin had was driven to the stage. blockchain 2.0

What does that mean?
You could only send and receive money in the blockchain which is bitcoin's wallet. In the new version, not just money, but a file, document, message or even voting can be done as a crypto.
what does this matter?
A data blockchain technology can not be destroyed. the system is here to premiere. not a centralized system, but consists of tens of thousands of servers. a contract here, a vote or a message gives the full credibility commitment