At present, China's automation industry has fallen into a slump, domestic sensors in the perception of information, intelligence and networking compared with the international advanced level of backward technology, industry experts recently said that China should increase the intensity of sensor research and development to provide support for instrumentation products.
The first is to speed up the development of new sensors. Analytical instruments are the basis for sustainable development of science and technology, economy, and society in China. There is an urgent need for miniaturization of various types of new sensors as sources of information inquiries in areas such as industrial process control, facility agriculture, biomedicine, environmental control, food safety, and even aerospace and defense engineering. A new generation of analytical instruments that are specialized, simple-to-use, and family-oriented, enabling more sensitive, accurate, faster, and more reliable real-time detection to rapidly change the backwardness of our analytical instruments.
The second is to accelerate technological development and promote sensor technology. For decades, advances in microelectronics technology have promoted the development of sensor technology. In the next 10-20 years, the traditional silicon technology will enter the mature stage. By then, 300mm diameter silicon wafers will be used in large quantities for production, making silicon's low-cost manufacturing technology and silicon application technology unprecedented development. It will develop and produce miniature sensors and smart sensors. New sensors provide technical support. From the overall development point of view, traditional silicon technology will continue until 2047 before it tends to be saturated. The current microelectronics technology will continue to follow the “equal reduction principle†and “Moore's Law†and continue to expand the cross-disciplinary horizontal applications of silicon and break through the “non-steady state physicsâ€. Device." The two major directions in the development of the above microelectronics technology are the major development directions of sensor technology in the current and even the next 20 years.
Application-Specific Integrated Circuit refers to an integrated circuit specifically designed to perform a specific computing task. It is very common to use ASIC for mining in the field of blockchain. This article will analyze the principle of ASIC mining and why it should be anti-ASIC.
For Bitcoin, mining has gone through four stages: CPU, GPU, FPGA and ASIC. GPU is naturally suitable for parallel simple operations, so the execution of SHA256 is much higher than the CPU. FPGA is a programmable hardware, because it has a certain degree of universality, so the unit price will be relatively expensive. ASIC has a large initial design investment, but the unit price will be cheaper after mass production. Therefore, if you can determine that the market size is relatively large, the use of ASIC technology will be the most cost-effective.
This is the basic principle of ASIC.
In a nutshell, mining is running complicated calculations in the search for a specific number. Whether it`s an ASIC miner or a GPU mining rig, mining hardware must run through many calculations before finding that number. In proof of work systems like Bitcoin, the first one to find that number gets a reward - at the time of writing, 12.5 Bitcoins worth around $96,850. That reward will fall to 6.25 Bitcoins in May 2020.
There are so many people and powerful computing systems trying to mine Bitcoin that miner groups form to find that number and share the profit. Even more, the faster your hardware, the more you earn. That`s why people who can afford it opt for ASIC miners because it gives them the greatest chance of earning cryptocurrency in exchange for their investment.
Each cryptocurrency has its own cryptographic hash algorithm, and ASIC miners are designed to mine using that specific algorithm. Bitcoin ASIC miners are actually designed to calculate the SHA-256 hash algorithm. In the case of Litecoin, it uses Scrypt. That means technically they could mine any other coin that`s based on the same algorithm, though typically, people who buy ASIC hardware designed for Bitcoin mine that specific digital currency.
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