Ethereum double currency pledge mining
bitcoin uses SHA-256 encryption algorithm. When mining, it competes with computing power. In order to improve computing power, bitcoin has gone through four stages: CPU mining, GPU mining, FPGA mining and now ASIC mining machine mining, and the degree of specialization is getting higher and higher
Ethereum uses the ethash encryption algorithm. In the process of mining, it needs to read the memory and store the DAG file. Because the bandwidth of each read memory is limited, and the existing computer technology is difficult to have a qualitative breakthrough in this problem, so no matter how to improve the computing efficiency of the computer, the memory read efficiency will not be greatly improved. Therefore, in a sense, Ethereum's ethash encryption algorithm is ASIC resistant.
different encryption algorithms lead to great differences in mining equipment and computing power between bitcoin and Ethereum
at present, bitcoin mining equipment is mainly ASIC mining machine with a very high degree of specialization. The maximum computing power of a single mining machine is 110t / s, and the scale of computing power of the whole network is more than 120eh / s
the main mining equipment of Ethereum is video card miner, and there are very few specialized ASIC miner. On the one hand, the "ASIC resistance" of Ethereum mining algorithm improves the threshold of developing ASIC miner. On the other hand, after Ethereum is upgraded to 2.0, the consensus mechanism will be transformed into POS, and the miner can not continue mining
compared with the ASIC miner, the graphics card miner has two orders of magnitude difference in computing power. At present, the computing power of mainstream graphics card miner (8 cards) is about 420mh / s, and that of Ethereum is about 230th / s.
from the time dimension of the past two years, bitcoin's computing power of the whole network is growing rapidly, while Ethereum's computing power of the whole network is growing relatively slowly
The ASIC mining machine of
bitcoin is monopolized by several major mining machine manufacturers, and miners can only buy it from the market; Although the graphics card miner of Ethereum is also manufactured by a special miner, the miner can buy accessories from the market and assemble them according to his own demand
many new users believe that the sole purpose of mining is to generate ether in a way that does not require a central issuer (see our guide "what is ether?"). It's true. The token of Ethereum is proced in the process of mining, with a mining rate of 5 Ethereum coins per piece. But mining is at least as important. Usually, banks are responsible for keeping accurate records of transactions. They make sure that money is not created out of thin air and that users don't cheat and spend money many times. However, blockchain introces a new way to keep records, the whole network instead of intermediary, to verify transactions and add them to the public ledger
Ethereum mining
although "no trust" or "trust minimization" monetary system is the goal, there are still people who need to ensure the security of financial records and ensure that no one cheats. Mining is one of the innovations that makes decentralized records possible. Miners have reached a consensus on the history of transactions in terms of preventing fraud (especially double spending on ether) - an interesting issue that hasn't been addressed before the decentralized currency works on the blockchain. While Ethereum is looking at other ways to reach a consensus on the effectiveness of the deal, mining currently keeps the platform together
how mining works
today, the mining process of Ethereum is almost the same as that of bitcoin. For each transaction, the miner can use the computer to guess the answer repeatedly and quickly until one of them wins. More specifically, the miner will run the unique header metadata (including time stamp and software version) of the block through the hash function (which will return a fixed length, unordered string of numbers and letters, which appears to be random), changing only the 'nonce value', which will affect the hash value of the result
if the miner finds a hash that matches the current target, the miner will be granted ether and broadcast the block across the network for each node to verify and add to their own ledger . If miner B finds the hash, miner a stops working on the current block and repeats the process for the next block. It's hard for miners to cheat in this game. There is no way to fake the work and come up with the right answer to the puzzle. That's why solving puzzles is called "proof of work."
on the other hand, others have little time to verify whether the hash value is correct, which is exactly what each node does. About every 12-15 seconds, a miner finds a stone. If the miner starts to solve the puzzle faster or slower than this, the algorithm will automatically re adjust the difficulty of the problem so that the miner can rebound to about 12 seconds of solution time
miners earn these ethers randomly, and their profitability depends on their luck and the computing power they put in. The specific workload verification algorithm used by Ethereum is called "ethash", which aims to require more memory, making it difficult to mine with expensive ASIC. Special mining chips are now the only profitable way to mine bitcoin
in a sense, ethash may have achieved this goal successfully, because dedicated ASIC is not available for Ethereum (at least not yet). In addition, as Ethereum aims to shift from proof of work mining to "proof of equity" (which we will discuss below), buying ASIC may not be a wise choice because it may not prove useful for a long time< However, Ethereum may never need miners. Developers plan to abandon proof of work, the algorithm currently used by the network to determine which transactions are valid and protect them from tampering to support proof of equity, which is guaranteed by token owners. If and when the algorithm is launched, proof of equity can become a means to achieve distributed consensus, and the consensus uses less resources.
this should be a new term rising after "Tongzheng economy" last year. Compared with the token economy, the pledge economy actually has a much greater interest relationship with our ordinary investors
so today's DDS distributed storage ecological community editor will share with you what is pledge economy and how is its investment
pledge economy is also a kind of mining in essence, but it is different from what we usually call bitcoin mining and Ethereum mining
bitcoin, lightcoin, Ethereum, BCH and other digital currencies are all based on proof of work (POW). Therefore, under this mechanism, the generation of new currencies is all competitive power, so there are all kinds of mining machines. At present, the most popular mining machine with the highest market share is bitmainland mining machine
when we want to participate in the mining of these digital currencies, we usually go to the market to buy mining machines, and then find our own machine room or entrust the mining machines to large mines for operation. The money that the miner digs every day, excluding electricity and operating expenses, is the net income
"piling" is another mining method. Usually, digital currency based on proof of equity (POS) and proxy proof of equity (dpos) adopts this mining method
in this mining method, the nodes in the blockchain system do not need too much computing power, but only need to pledge a certain number of tokens, which can generate new currency after running for a period of time, and the generated new currency is the income obtained through pledge
this is equivalent to that we can deposit money in the bank and get a certain amount of interest every year
2. What are the currencies that support the pledge economy
when the main network of EOS went online last year, the voting of the main node officially opened the prelude of stacking
it is 2020 that really makes this way hot. Since the beginning of this year, a series of digital currencies have been launched in the form of pledge. On the one hand, in order to recruit nodes, the project side carries out extensive publicity. In addition, the powerful operators are willing to cooperate with the project side as nodes to obtain stable income
as a result, the pledge mining economy is booming both inside and outside the circle
data distributed storage (DDS) is also a pledge mining mode
the DDS application circulates and pays for the charging services of the whole ecosystem app, such as: annual fee of video website, online ecation, online Red live broadcast, games, movies, catering, takeout, social networking, etc
DDS issuing mechanism: no private placement, no node selling, no project party. As you go in, as you go out, as you dig, as you sell. There is no big business. Human risk control and ecological empowerment
1. Total distribution: the total distribution of DDS is 180 million, with a constant total. The issue price is anchored at 0.5usdt
2. Design principle: the DDS team made a statistical analysis on the blockchains of data storage related instries with high return on investment in the world and drew a scatter diagram. The analysis results show that, combined with the user experience that the unit price of issue is easy to measure, the total amount of issue is 180 million
3. Distribution ratio:
5% candy distribution
5% pledge circulation
90% mining
according to the number of miners contribution space size mining, strictly in accordance with the hardware equipment involved in mining quantity, pledge certificate and mining output, token price, three trigonometric function output. In the second year, the annual output will be reced by half, and in the eighth year, the remaining output will be excavated.
advantage: unlimited currency needs three confirmations for a transaction, and each confirmation takes 30 seconds, so the transaction confirmation speed is very fast. It is used in daily and common transactions, which is more practical