The LongHash project, which monitors the statistics of the Chinese blockchain industry, has nearly 80 thousand companies registered in the industry. But only 26 thousand of them are fully engaged.
The largest number of blockchain firms – 22636 – are registered in the coastal province of Guangdong in the south-east of the country. Following are Yunnan with 5301 companies and the Xinjiang Uygur Autonomous Region with 5105 enterprises.
It is noteworthy that a significant number of industry companies are registered in cryptocurrency mining centers, the provinces of Inner Mongolia and Sichuan, – 4,594 and 4,070, respectively.
Despite the fact that Chinese President Xi Jinping in October called on the country to become a leader in the development of blockchain technology, 2019 was significantly inferior to the previous year in terms of the number of new legal companies in the industry – 14014 against 19072.
The amount of investments in the Chinese blockchain sector last year amounted to $ 3.5 billion, which is also almost 50% less than in 2018.
There is a dilemma: can a payment already be considered received if the deposit transaction is in the mempool, but not yet confirmed? Simply put, how possible is it to replace or cancel a transaction that has already been added to the mempool?
This is a story about a fun project I did - I created a mining farm built into my house. The video cards were immersed in oil, which caused the loggia to heat up from its heat.
This article will not discuss the basics of non-interchangeable tokens (NFT) or their purposes, since there is already a lot of material on this subject. Instead, we will focus on the technical aspects of NFT, since I had to develop my own solutions due to the lack of information on this topic.