Development of virtual currency with reliable quality
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2. Mortgage on P2P platform with virtual currency
3. Get virtual currency through mining, and then make money from selling points
4. Project profit related to the development of virtual currency
well known virtual currencies include bitcoin, dogcoin, Ruitai coin, Qianjin card, Laite coin, etc.
Background: the financial application of blockchain technology brings high investment value
2018 China international big data instry Expo opened in Guiyang City, Guizhou Province on the 26th. At the meeting, it was pointed out that China will vigorously develop the digital economy in the future, deeply implement the action plan for the development of big data and cloud computing, and deeply study blockchain technology and application. Especially in the field of finance, the landing application has become the focus of the scientific and financial circles
1. The value source of blockchain is that it can perfectly solve the pain points of the current financial instry:
in today's asset securitization, insurance, supply chain finance, commodity trading, asset custody and other financial scenarios, e to many participants, high cost of credit evaluation, low settlement efficiency of intermediary institutions and other reasons, Traditional financial service methods are difficult to effectively solve the long-standing core pain points in the instry, such as information asymmetry, complex and rendant processes, and high information verification cost
2. Why can blockchain solve the above pain points:
blockchain technology integrates many basic technologies, such as distributed accounting, tamper proof, built-in contract, etc., and constructs a trust building mechanism with lower cost. The financial application based on blockchain technology can realize the ability of all market participants to obtain all transaction information and asset ownership records in the market without discrimination, and effectively solve the problem of information asymmetry; Smart contract embedding reces the error rate of payment and settlement, simplifies the process and improves efficiency; At the same time, based on transparent information and brand-new trust mechanism, there is no need to spend manpower, material resources and financial resources to confirm information among participants, which will greatly rece the trust cost between institutions, and then rece the price of financial services and transaction costs
3. The application of blockchain technology in the financial field mainly includes the following aspects:
among which bitcoin is the most famous. On the basis of bitcoin, a large number of other types of decentralized digital currencies have been derived. Such as: the heyday of bits
Compared with the traditional payment system, blockchain payment can directly carry out end-to-end payment for both parties without the help of the banking system, which can greatly improve the speed and rece the cost③ digital bills
④ bank credit management: the advantage of blockchain is that it can rely on program algorithm to automatically record credit related information and store it on every computer in the blockchain network, with transparent information, tamper proof and low cost
The major financial institutions and exchanges in Europe and the United States have explored the application research of building the next generation of financial asset trading platform based on blockchain technology4. The development prospect of blockchain. The future development of blockchain technology will have the most vitality with alliance chain as the entry point, and will have a significant effect and far-reaching impact on the transformation of traditional financial instry pain points
in response to the good investment prospects of blockchain, domestic enterprises such as Alibaba, Jingdong and Netcom have entered the market. The application of financial scenarios based on blockchain technology not only brings us security and convenience, but also provides us with broader investment space. The rise and price surge of digital currency represented by bitcoin (bitcoin was about RMB 20 cents when it was first listed in 2009, and its current price is about US $7300!) It's the best proof that people with a keen sense of smell have made a lot of money from it
Abstract: This is an encrypted digital currency based on the bitcoin developed by Nakamoto Tsung, which improves and adds many new functions, such as the double-layer reward system network, also known as the main node network. It also includes anonymous payment to improve the interchangeability (bitage) and real-time payment function docking to realize real-time transaction confirmation without relying on the authority of the center (P2P mall) In 2009, Nakamoto put forward the concept of bitcoin. Since then, bitcoin has spread rapidly in mainstream applications and commercial uses, becoming the first digital currency to attract a large number of users, which is a milestone in the history of digital currency. However, from the perspective of completing the transaction, we can find an important problem, that is, it takes too long for bitcoin block to confirm the transaction. Traditional payment companies have found a solution to enable the buyer and the seller to realize zero confirmation of bitcoin transaction, but this solution usually requires a trusted third party to complete the transaction outside the agreementbitcoin provides pseudonym transaction, realizes the one-to-one transaction relationship between sender and receiver, and can always record the transactions occurred in the whole network. Bitcoin only provides low-level privacy protection, which is well known in academia. Despite this deficiency, many people still believe in the transfer history recorded by blockchain
based on Nakamoto's achievements, bitshengshi is an encrypted digital currency with the purpose of protecting privacy. We have made a series of improvements on the basis of the concept of bitcoin, resulting in a decentralized cryptocurrency with good anonymity. It supports tamper proof real-time transactions, and has a point-to-point sub network that can provide service reward system for bitsheng network
2. Master node network
the whole node is the server running on the P2P network, so that small nodes can use them to accept the dynamic changes from the whole network. These all nodes need significant traffic and other resources that consume a lot of cost. Therefore, it will be observed that the number of these nodes on the bitcoin network presents a steady downward trend over a period of time, so that the block broadcast time needs an additional 40 seconds. In order to solve this problem, many solutions have been put forward, such as the introction of Microsoft Research's new incentive plan and bitnodes incentive plan
Figure 6: Mining reward model
ledger wallet is a hardware wallet with general ease of use and high security
ledger, a manufacturer of bitcoin hardware wallet, is one of the leading companies in the field of digital currency security, which can provide reliable hardware for consumers and enterprises. Ledger is a bitcoin hardware wallet based on smart card, which provides the highest level of protection with advanced technology, as well as usability and controllability. Ledger hardware wallet is a multi-functional wallet. It is a hardware device that can store private key safely. When viewing wallet and sending transaction, hardware wallet needs to cooperate with software wallet to use. At the same time, it supports secure storage of bitcoin, Ethereum and platform token, zcash, etc. Its project is already open source on GitHub. Based on its hardware devices, you can use either the software wallet developed by ledger or the software wallet developed by other teams, that is, you can use ledger with Ethereum web wallet myetherwallet or parity wallet
2. Trezor
trezor is easy to use and safe, so it belongs to hardware wallet
trezor is a high-tech data encryption memory. The proct is proced in Czech Republic. This brand is recognized in the instry as the earliest, most cautious and most secure encrypted memory, and has been verified by global digital currency players as a reliable brand with excellent company record and rich software support. Trezor's security model is based on the principle of zero trust. The principle of zero trust is a security system that assumes that any part of it may be attacked successfully
3. Opendime
opendime is a hardware wallet with general usability and high security
opendime, a manufacturer of bitcoin hardware wallets, is one of the "leading technology" companies in the field of digital currency security. It is affiliated to coinkite, a bitcoin enterprise in Canada, which provides services for bitcoin and lightcoin wallets, as well as payment terminals. Legal currencies supported include US dollar, RMB, euro, Canadian dollar, British pound, Polish zloty, Russian ruble, Australian dollar, Japanese yen, Brazilian currency, Swedish krona, etc. Opendime is a hardware wallet, its private key is generated inside the device, and will not be known by anyone, not even you! Opendime multilingual user interface: Chinese, Japanese, English, Portuguese, French, German, French bring convenience to you
4. Kushen wallet
Kushen wallet is easy to use and safe, and belongs to mobile phone and hardware wallet
the English name of Kushen wallet is coldlar. Kushen wallet belongs to Beijing Kushen Information Technology Co., Ltd. It is a technology company focusing on providing secure storage solutions for encrypted assets. Kushen company is deeply engaged in blockchain security technology, providing various forms of personal wallet procts such as hardware wallet, mobile app wallet, cloud wallet and multi signature wallet, as well as professional enterprise wallet procts. The hardware wallet adopts the "hot and cold separation" architecture, and uses various data encryption transmission methods such as QR code, Bluetooth, NFC, etc. to make the private key never touch the network, completely eliminate the risk of private key being stolen by network hackers, and realize the safe storage of a variety of encrypted assets
5. Bitgo
bitgo is a computer wallet with average ease of use and medium security
bitgo is a high security multi signature wallet, which protects your bitcoin from being stolen and lost. You keep your wallet on your own; Bitgo cannot spend or freeze money. Multiple bitgo wallets are also easy to use and provide advanced security features such as consumption restrictions and multi-user access
6. Keepkey
keepkey is a hardware wallet with high ease of use and medium security
keepkey is a hardware wallet to protect your digital assets such as bitcoin and Ethereum from hackers and thieves. Keepkey wallet supports multi currency hardware wallet, which is currently acquired by shapeshift. Keepkey adopts a unique recovery mechanism, which makes it more secure to use. This mechanism allows users to recover in 12 words. Additional security means that users do not need to store private keys on the device. They can recover their private keys and transactions and then erase the records on the device. This is currently the safest way to store bitcoin
7. Wookong
wookong is a hardware wallet with high ease of use and high security
wookong is a professional encryption digital asset escrow solution (Patent No.: zl201710884108.5) which combines high-strength cryptography algorithm and high-level financial security hardware solution. It has higher security than multi signature wallet and cold wallet. Main customers: financial institutions, exchanges and teams with higher security requirements than ordinary hardware cold wallets and multi signature wallets
8. Coinbase
coinbase is easy to use, medium security, and belongs to mobile phone and computer wallet
coinbase wallets, coinbase wallets come from Toshi wallets, and coinbase wallets are redefining the encrypted wallets that users expect. It's not just a tool for accessing cryptocurrency, you can see it as a foothold for exploring distributed networks. With coinbase wallet, you can: manage Eth and all your ecr-20 currencies (BTC, BCH and LTC will soon be supported); Receive airdrop and ICO currency; Purchase and store cryptocurrency (non replaceable currency, but can be used in the game or traded in the market); Can carry on the currency transaction without the service charge with any person in any place; Buying and selling currency through mass exchange or agent; It can access any third-party dapps to realize the functions of borrowing or lending to earn cryptocurrency by others in the blockchain through verification, service execution or task completion
9. Imtoken
imtoken is easy to use, medium security and belongs to mobile wallet
as a professional digital asset wallet, imtoken wallet is safe and easy to use; Support multi chain and multi currency management and exchange, so that blockchain technology can be better integrated into your life. Imtoken's vision is to make economic incentives consistent, privacy inviolable and value flow freely
imtoken has recently obtained a round a investment of IDG capital of US $10 million. He bin, founder and CEO of imtoken, said that this round of financing will support the development of imtoken's overseas market and the reserve of more technical talents
10. Atoken
atoken is easy to use, medium security and belongs to mobile wallet
atoken mobile digital currency wallet is light and safe, and supports 19 Currencies & Cross Chain swap. It aims to provide more convenient, more secure and more currency multi-dimensional services for the majority of digital currency users, and to build a leader in digital asset storage app.
bus line: Metro Line 3 → Metro Line 1, the whole journey is about 20.1km
1. Take Metro Line 3 from Dashi, pass 7 stops, and reach TIYU West Road Station
2. Take Metro Line 1, pass 6 stops, and reach Ximenkou station
3. Walk about 500m to Bank of America Central Plaza
1. Analysis of plant collection:
it mainly depends on collecting a large amount of plant raw materials for semi processing. Good plant materials will slowly unlock with the improvement of player's collection skill
there are a small number of skill experience points for skill level promotion each time. The collection points can be found through resource detection, and those who want to master life skills can use up all the physical points< Second, ore mining analysis:
many people have a special preference for miner. Similarly, this profession and textile need a large number of resources. Players can click detection in life skills to locate the general location of ore veins through the signal feedback of ore sources. Next, it depends on whether the player has a pair of eyes like monkey sun. Unfortunately, Xiaobian has it, but Xiaobian has never been in the Bagua oven
the mined ore can be smelted and extracted in two ways to become semi-finished procts needed by players. The extracted semi-finished procts can make bright jewelry, but the extracted semi-finished procts are limited by ore mining. Smelting is more emphasis on the blacksmith profession, to create a variety of iron, copper and silver armor weapons
in terms of ore collection, it takes a long time. At the same time, the skills and experience gained are doubled
comparative analysis:
players can learn life skills after reaching the specified level, which are divided into plant collection and ore mining. Plant collection is a necessary skill for collecting all kinds of crops, weaving and procing semi-finished nail procts. Ore mining is a necessary skill for mining all kinds of ores, smelting, forging and nail making semi-finished procts. There is not much difference between these two skills. They have the same function. Players can choose life skills according to their own preferences.