The four most famous international exchanges:

Binance INTL	OKX INTL	Gate.io INTL	Huobi INTL
China Line　APP DL	China Line　APP DL	China Line　APP DL	China Line　APP DL

Note: The above exchange logo is the official website registration link, and the text is the APP download link.

As we all know, the mining competition in the currency circle is about hash computing power, and hash computing is a computing mode. Hash computing is mainly calculated using the arithmetic logic unit in the chip, and what we usually call CPU There is an ALU arithmetic logic unit in it, so many investors will also use CPU to mine. However, the computing logic of the CPU is relatively complex, so it is difficult for it to handle simple and brainless tasks. Basically no one uses the CPU for mining now, and the efficiency is still too low. Many investors still don’t know what CPU mining means? Let the editor of the currency circle explain CPU mining in a simple way.

 What does cpu mining mean?

CPU (Central Processing Unit) is the most primitive mining mode. Just download the digital wallet and mining installation package on your personal computer and run the mining program. It is suitable for some currencies with low computing power and low difficulty. (The specific computing power and difficulty can be checked on the relevant website). Different currencies have different benefits. Mining with CPU mainly uses idle equipment. The advantage is that the cost is small and the operation is simple.

On January 3, 2009, Satoshi Nakamoto mined the first block of Bitcoin, the Genesis block, on a small server in Helsinki, Finland.
Block) and received a reward of 50 Bitcoins. At that time, the mining tool used by Satoshi Nakamoto was the CPU. We know that ordinary computers are equipped with CPUs, so the threshold for mining at that time was low. You can mine using a home computer, and everyone can be a miner.

Can I still mine mines using my computer’s CPU? Some friends may raise questions. In fact, Bitcoin was mined using CPU at first. However, with in-depth research on the mining algorithm, everyone found that mining is repeating the same work, and the CPU is a universal computing unit. , which contains many modules such as branch prediction units, register units, etc., which are not helpful at all in improving computing power. Therefore, CPUs began to be gradually eliminated, and GPU mining machines began to take over.

 How long does cpu mining take?

First, let me explain a concept to you - hash function (Hash
function). A hash function is a function that can map data of any length to data of a fixed length. The value returned by a hash function is called a hash value, hash code, hash, or simply hash. One usage scenario is hash tables, which are widely used to search data quickly.

The generation of Bitcoin is calculated through constant collisions of hash values. In popular terms, it is the number of times the correct answer is calculated. An ordinary laptop CPU can calculate about 800-1,000 times per second, and a mid-range graphics card can calculate more than 2,000 times. This is why the price of graphics cards has been soaring from the beginning of 2017 to now. Advanced graphics cards in 2017 The price has almost doubled.

For example, mining is equivalent to throwing 100 million dice and throwing a number less than 105,000. Whoever throws it first will get the accounting rights. 100,500 is a Hash value. The process of throwing dice is called Hash collision, and the unit of mining computing power is the number of Hash collisions per second. Let me take a look at the table of hash value computing power units.

Use cpu i7, 6700k
, a computer with 16G memory configuration is used as a test platform. Its computing power is about 1.8GH/s, which is 0.0018TH/S. If you mine 24 hours a day, the income is 0.00000021 Bitcoins. Can it be ignored? . At this rate, it would take 13,000 years to mine one Bitcoin.

The above content is the currency circle editor’s popular explanation of what CPU mining means. In fact, we need to know that the CPU is not good at performing parallel operations at all, so it can perform at most a dozen tasks at a time. This also made many investors give up the idea of CPU mining and began to explore other methods, and everything came to be. Mining machine mining and graphics card mining. Graphics cards seem to be specially built for mining, because graphics cards are very suitable for brainless algorithms, and the more stream processors they have, the more advantage they have. Now everyone is slowly starting to develop some corresponding mining algorithms for graphics cards. Mining is also more friendly to miners.