Ethereum logout image
1. Hardware and infrastructure, the typical miner proction, distribution chain, where you can buy miner, mining to earn money
2. The underlying platform of blockchain and common technologies, such as Ethereum and other public chains, and the privacy protocol nucypher, where you can make money by investing in its token, building applications on the chain, and providing services for users
3. Various vertical applications, such as supply chain traceability and Finance Based on blockchain, right confirmation and trading, can be used or invested to make money
Service facilities, such as digital asset exchange and wallet, media procts, etc., you can make money by making your own exchange
extended data:
the characteristics of blockchain
1. Decentralization
blockchain technology does not rely on additional third-party management institutions or hardware facilities, and there is no central control. In addition to the self-contained blockchain itself, each node realizes information self verification, transmission and management through distributed accounting and storage. Decentralization is the most prominent and essential feature of blockchain
2. Openness
the foundation of blockchain technology is open source. In addition to the private information of all parties involved in the transaction is encrypted, the data of blockchain is open to everyone. Anyone can query blockchain data and develop related applications through the open interface, so the information of the whole system is highly transparent
3. Independence
based on consensus specifications and Protocols (similar to various mathematical algorithms such as hash algorithm used by bitcoin), the whole blockchain system does not rely on other third parties, and all nodes can automatically and safely verify and exchange data in the system without any human intervention
blockchain technology has the following four ways to make money:
1. Hardware and infrastructure. A typical one is mining machinery proction and distribution chain, where you can make money by buying mining machinery and digging
2. The underlying platform of blockchain and common technologies, such as Ethereum and other public chains, and the privacy protocol nucypher, where you can make money by investing in its token, building applications on the chain, and providing services for users
3. Various vertical applications, such as supply chain traceability and Finance Based on blockchain, right confirmation and trading, can be used or invested to make money
Service facilities, such as digital asset exchange and wallet, media procts, etc., you can make money by making your own exchange
{rrrrrrr}
extended data:
type of blockchain
1. Public blockchain
refers to: any indivial or group in the world can send transactions, and the transactions can be effectively confirmed by the blockchain, Anyone can participate in its consensus process
public blockchain is the earliest and the most widely used blockchain. The virtual digital currencies of bitcoin series are all based on public blockchain, and there is only one corresponding blockchain in the world
2. Consortium block chains: multiple preselected nodes are designated as bookkeepers within a group, and the generation of each block is jointly determined by all preselected nodes (preselected nodes participate in the consensus process), and other access nodes can participate in the transaction
3. Private blockchain
private blockchain: it only uses the general ledger technology of blockchain for bookkeeping. It can be a company or an indivial, and only enjoys the write permission of the blockchain. This chain is not very different from other distributed storage schemes
Ethereum miner fee
1. In a public chain, anyone can read and write data. Reading data is free, but writing data to the public chain costs a certain amount of money, which helps to prevent junk content and protect its security through payment
Secondly, any node on the network (each connected device containing a of the account book is called a node) can participate in the mining method to protect the network. As mining requires computing power and electricity charges, miners need to be paid for their services, which is also the origin of miners' fees Third, the difference between Ethereum and bitcoin, Ethereum introces the concept of gas, the purpose of which is to limit the amount of work required to execute the transaction and pay for the execution. Gas is used to measure the resources (including computation, storage, bandwidth, etc.) consumed by your transaction (or contract code call)
extended data:
ten rights of miners:
1. The "ten rights" of coal mining enterprise workers in safe proction include: the shift leader does not go down the well, and the workers have the right not to go down the well; The workers have the right to leave the well early if the shift leader leaves the well early; Workers have the right not to work if potential safety hazards are not investigated; If the management personnel command against rules and regulations, the workers have the right not to carry out them
Without safety measures, workers have the right not to start work; Workers have the right not to go down the well if they don't organize safety study before class; If the "Trinity" (monitor, safety inspector and gas inspector) safety inspection is not carried out, workers have the right not to start work The workers have the right not to start the work if the detection and monitoring system is not installed in place and operates abnormally; Workers have the right not to go down the well if they are not equipped with fully qualified labor protection and protective equipment; The route to avoid disaster is not marked, and workers have the right not to go down the well. The coal mine shall not dect the wages and dismiss the workers for the above reasonsEthereum clown is a digital blockchain game with collection value based on Ethereum blockchain
using ether money to adopt clowns can not only resell them, but also use them to breed a new generation of clowns with strange shapes. They can also cultivate them to work and earn money, which makes the digital collection of clowns more sustainable and playable
pets that can play and make money, come and see how to play<
the proction of clowns
the proction mechanism of clowns can be divided into two kinds, one is the official output, the other is the breeding output between two clowns<
clown's appearance
the clown's appearance is composed of eight parts. The attributes of each part can be divided into ordinary and rare. The number of rare attributes is less than that of ordinary attributes, which makes the clown with rare attributes more precious
every clown is unique
clown trade
etheric clown can be used to trade directly
sell: users can choose clowns to be auctioned in the market, and they can sell their own clowns. Buy: the buyer selects the clown on sale in the market, and pays ether to buy his favorite clown<
4. Clown attribute and working
there are four kinds of clown attribute values: growth value, strength value, agility value and wisdom value. Generation 0 clowns get the value of each attribute randomly, and the non generation 0 clowns are mainly inherited
attribute values can be changed by eating food
5. Clown food and feeding
owners can buy spinach, beef, carrots, walnuts and other food through the mall to feed clown pets.
Ethereum clown is a digital blockchain game with collection value based on Ethereum blockchain
using ether money to adopt clowns can not only resell them, but also use them to breed a new generation of clowns with strange shapes. They can also cultivate them to work and earn money, which makes the digital collection of clowns more sustainable and playable
pets that can play and make money, come and see how to play< There are two kinds of proction mechanism of clowns, one is the official output, the other is the breeding output between two clowns< The appearance of a clown is composed of eight parts, each part of which can be divided into ordinary and rare attributes. The number of rare attributes is less than that of ordinary attributes, which makes the clown with rare attributes more precious
every clown is unique
3. Clown trading
etheric clown can be used to trade directly
sell: users can choose clowns to be auctioned in the market, and they can sell their own clowns. Buy: the buyer selects the clown on sale in the market, and pays ether to buy his favorite clown<
4. Clown attribute and working
there are four kinds of clown attribute values: growth value, strength value, agility value and wisdom value. Generation 0 clowns get the value of each attribute randomly, and the non generation 0 clowns are mainly inherited
attribute values can be changed by eating food
5. Clown food and feeding
owners can buy spinach, beef, carrots, walnuts and other food through the mall to feed clown pets.
package fz;
import java.io.*;
public class Fengzhuang {
/**
* @param args
*/
public static void main(String[] args) {
try {
File f1 = new File("input");
FileInputStream in = new FileInputStream(f1);
FileOutputStream out = new FileOutputStream("output");
out.write(0xAA);
out.write(0xAA);
out.write(0xAA);
out.write(0xAA);
int s;
int len = in.available();
for (int j = 0; j < len; j++) {
s = in.read();
out.write(s);
}
out.write(0xff);
out.write(0xff);
out.write(0xff);
out.write(0xff);
in.close();
out.close();
} catch (IOException e) {
System.out.println(e);
}
}
}
加入目标地址还有末尾的校验码~