Mulinsen (002745) achieved operating income of 4.002 billion yuan in 2014, an increase of 39.25% over the same period of last year; net profit attributable to shareholders of listed companies was 435 million yuan, an increase of 0.50% over the same period of the previous year.
Guoxing Optoelectronics (002449) In 2014, the company achieved a total operating income of 1,543,030,307.80 yuan, a year-on-year increase of 35.07%; realized operating profit of 126,218,422.14 yuan, an increase of 43.79%; total profit of 169,482,263.31 yuan, an increase of 33.37%; net attributable to shareholders of listed companies The profit was 144,761,200.98 yuan, a year-on-year increase of 28.13%.
Huacan Optoelectronics (300323) achieved operating income of 706 million yuan in the report period in 2014, an increase of 123.30% over the same period of last year; net profit attributable to shareholders of listed companies was 90.9061 million yuan, an increase of 1155.01% over the same period of last year.
Silan Micro (600460) achieved operating income of 1.87 billion yuan in 2014, an increase of 14.17%; net profit of 164 million yuan, an increase of 42.58%; basic earnings per share of 0.13 yuan. According to the announcement, in 2014, the company's LED business realized revenue of 392,256,500 yuan, an increase of 63.40%.
Zhaochi shares (002429) achieved a net profit of 677 million yuan in 2014, a year-on-year increase of 6.47%. Earnings per share was 0.42 yuan.
Lehman Optoelectronics (300162) achieved total operating income of 405 million yuan in 2014, a year-on-year increase of 15.62%; net profit attributable to shareholders of listed companies was 27.1012 million yuan, an increase of 55.48% over the same period last year.
Zhengtong Electronics (002197) net profit in 2014 was 765.394 million yuan, an increase of 38.88%. Earnings per share was 0.29 yuan.
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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