Institute of computing power

1. How to use the three technical indicators to understand the rise and fall of bitcoin

coincola coying Cola
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how to use the three technical indicators to understand the rise and fall of bitcoin
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recently, "bitcoin broke through $8000" has been on the hot search. For a while, bitcoin rose, reborn rose sharply, and Ethereum led the rise... A week later, this big play dominated by bitcoin didn't seem to come to an end, and the trading volume was once pushed up to 100 billion US dollars

in the investment world, "madness" and "fear" coexist. Today's "madness" stems from last year's long-term "fear". However, this time, coincola Cola Research Institute tracks and analyzes the technical indicators behind the rising market, and deconstructs the "passion" of the market with the "rationality" of data< (1) mining and bitcoin price

start with the relationship between mining and bitcoin. The core technology of bitcoin is "blockchain", which is connected by blocks. Each block corresponds to a bill. All transaction information and transfer records of bitcoin are recorded on the blockchain. Every other point in time, the bitcoin system will generate a random code on the system node. Due to distributed accounting, all computers on the Internet can search for the code. Whoever finds the code will generate a block and then get bitcoin. This process is mining. Calculating this random code requires a lot of GPU operations, so miners need to use mining machines with massive graphics cards to make profits

1. Bitcoin computing power: starting to pick up

remarks: June 2018-may 2019 bitcoin hash value

data source: bitcoin visual, coincola Research Institute

the above figure shows the bitcoin hash value. The hash value of the bitcoin network represents the computing power of the blockchain. The growth of computing power means that miners increase mining investment or increase the number of miners. Since the second half of 2018, the hash value has recovered from falling back to picking up, from 32eh / s at the end of the year to 50eh / s now, and the recent growth trend is remarkable. The continuous growth of bitcoin hash value (representing computing power) indicates that the market is optimistic about the future of bitcoin

2. Mining difficulty: stepped up

remarks: bitcoin difficulty from June 2018 to may 2019

data source: bitcoin visual, coincola Research Institute

the figure above shows bitcoin difficulty. Since 2019, the difficulty of bitcoin mining has increased in a step-by-step manner, from the low 5T to the current 7T. It can be seen that the rapid rise of bitcoin in this round has reced mining costs and increased market entry personnel. The increasing difficulty of mining means that there are profit opportunities in cryptocurrency market, and the market is generally optimistic< (2) the number of active addresses and transactions on the chain are important indicators reflecting the activity of cryptocurrency, which are highly correlated with the price of cryptocurrency

1. The number of active addresses on the bitcoin chain: a straight line rise

remarks: the number of active addresses on the bitcoin chain from June 2018 to may 2019

data source: coinmetrics, coincola Research Institute

active addresses refer to the addresses where transactions have taken place every day, that is, how many independent addresses conct transfer transactions on the chain every day. Since 2019, the number of active addresses on the bitcoin chain has been rising, especially in recent years. From 540.60143k in January to 832.592k now. It shows that the rapid growth of active users of cryptocurrency is a very positive signal for the market

2. The number of transactions on the bitcoin chain: continued to rise

remarks: the number of transactions on the bitcoin chain from June 2018 to may 2019

data source: bitinfo charts, coincola Research Institute

since 2019, the number of transactions on the bitcoin chain has continued to rise, from 235k in early 2019 to 374k now. Moreover, since April and may, after two rounds of sharp rise in the price of bitcoin, the number of transactions on the chain has remained at a high level, even showing signs of a short-term surge< (3) lightning network and bitcoin price

in essence, lightning network adds a layer to the basic layer of bitcoin blockchain in order to make the transaction fast and cheap. With the existence of lightning network, users can remit money to each other at any time and pay very little. Lightning network represents not only the technical level of bitcoin, but also the important basis of bitcoin value

1. Lightning network nodes: rapid growth

remarks: bitcoin lightning network nodes from January 2018 to may 2019

data source: bitinfo charts, coincola Research Institute

the test version of lightning network started on the bitcoin main network on March 15, 2018. The number of lightning network nodes was only 64 at the beginning of 2018 and increased to 2329 at the end of 2018. Since 2019, the number of lightning network nodes has increased rapidly, and now it has reached 4289. In less than half a year, the number of nodes has doubled. The continuous expansion of nodes indicates the continuous upgrading and development of bitcoin lightning network technology, which is an important indicator of bitcoin price

2. Lightning network capacity: speed up

remarks: bitcoin lightning network capacity from January 2018 to may 2019

data source: bitcoin visual, coincola Research Institute

the data above shows that as of May 15, 2019, bitcoin lightning network capacity has increased to 1039 BTC, equivalent to 833usd, while at the beginning of 2019, it is only 504btc, Lightning network capacity doubled, and the growth rate accelerated. This means that the expansion of bitcoin has been well solved in lightning network technology, which will help keep the payment channel active and effectively support the functional application of bitcoin

the performance of mining, chain trading and lightning network is closely related to the price of bitcoin. On the one hand, the rise of bitcoin price acts as a catalyst to stimulate its performance in mining, chain and lightning network; On the other hand, mining, chain trading and lightning network are the important cornerstone of bitcoin price trend and the important basis of bitcoin price expectation<

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2. Amazon, Microsoft, Google, Facebook, Samsung and apple are all big enterprises. The really excellent big enterprises will not fall behind. Their ability to integrate resources, as well as the accumulation of market and R & D, are hard for small and medium-sized enterprises to compare. Nowadays, banks, energy companies and large auto companies are all in the cloud. They also want to build a system for themselves that can improve their operational efficiency
data security will become more and more important. When it comes to data security, we must talk about public cloud and private cloud. The so-called public cloud means that all the IT resources you use are provided by various manufacturers, while the private cloud is to create a set of cloud solutions for your company, including all three-tier architectures

the hybrid cloud refers to a part of the public cloud and a part of the private cloud. Most small and medium-sized enterprises will use the public cloud, and some businesses of large enterprises will also run on the public cloud. Since you are using the resources of cloud manufacturers for business and data, you will of course worry about whether the data will be leaked. Once the data is leaked, it will have a huge impact, so data security is now the point that all cloud manufacturers are very concerned about.

3.

To build a al prevention mechanism is to file and record the safety risks one by one, adopt a al preventive working mechanism of risk classification control and hidden danger investigation and treatment, effectively solve the prominent problems in the field of safety proction that are "not clear and unexpected", and emphasize that the gateway of safety proction should be moved forward, from hidden danger investigation and treatment to safety risk management and control. It is necessary to strengthen risk management and control methods and means, grasp the key links of the whole chain of accidents and take effective preventive measures to prevent the potential accidents caused by inadequate safety risk management and control, and the potential accidents not found and managed in time

the game is the software of double control system for security -- "security eye" -- according to the international advanced security management theory and method, combined with the characteristics of China's security supervision and the level of enterprise security management, with the help of Internet, mobile communication, Internet of things, cloud service and big data technology, based on the systematic security consulting scheme, aiming at the characteristics of enterprise security risk, Docking with the proction and operation, it precisely solves the most challenging safety management problems such as the implementation of safety proction system, staff safety training and ecation, real-time monitoring of safety proction risk and scientific decision-making, realizes the revolutionary breakthrough of safety management, and provides professional, convenient and effective quantitative solutions for safety management for enterprises

5. OEM mainly refers to the experimental procts proced by manufacturers to cooperate with each other in R & D work. There is no big difference between OEM and authentic procts. It only needs to be cautious in terms of stability. The procts circulating in the market are basically second-hand or even n-hand procts that have been violently tested, which are equivalent to mining machines and cards

6. It's the computer application and software editing department, where I contributed a manuscript two days ago

7. Go to the academy!

8. Mr. Ding Xiangdong of Xi'an Jiaotong University, you can find his contact information on the official homepage of School of materials of Xi'an Jiaotong University

9. Computing Center, of course! Although the computing center in Nanjing is a suburb, no actor in Yangzhou is close to the city center, but he is subordinate to the geophysical department and the computing center, which are the same secondary units!