wholesale linen jewelry bags How long does it take to make a public chain

buy bulk wholesale craft jewelry lot One to two years
public chain (), also known as the "public chain", refers to the consensus blockchain that has the permissions of reading, sending, and obtaining effective confirmation of anyone around the world. It can access the network anonymous without registering or authorization, and has the characteristics of decentralization, neutrality, openness, and non -tampering. It is suitable for virtual currency and Internet finance.
The development of a public chain takes one to two years, the cost is about 80 million to one billion yuan, and there are more than 40,000 categories in the world, but there are only 20 to 30 public chains. So the cost is quite high.